feat: add OnlineRateCard component to display 14-day uptime history with localization support

internal/device/esim.go

@@ -330,6 +330,18 @@ func (manager *Manager) openEuiccAID(ctx context.Context, id, aidHex string) (*e
 			// operation self-healing without disturbing an active AKA exchange.
 			continue
 		}
+		if attempt == 1 && isTransientEuiccCME(err) {
+			// When SIM hot-swap occurs or the modem baseband APDU channel is stuck (+CME ERROR: 0),
+			// perform a soft SIM subsystem reset (AT+CFUN=0 -> AT+CFUN=1/4) to re-initialize
+			// card interface voltage and ATR without restarting the whole hardware module.
+			_ = manager.softResetForProfileSwitch(ctx, id)
+			select {
+			case <-ctx.Done():
+				return nil, ctx.Err()
+			case <-time.After(600 * time.Millisecond):
+			}
+			continue
+		}
 		if !isTransientEuiccCME(err) {
 			return nil, err
 		}
@@ -1071,15 +1083,14 @@ func (manager *Manager) renameCachedProfile(id, iccid, nickname string) {
 	manager.esimCacheMu.Unlock()
 }
 
-// recoverAfterProfileSwitch owns the post-commit reset independently of the
-// initiating HTTP request. EC20 commonly drops the AT port while processing
-// CFUN=1,1, so the reset error is intentionally followed by discovery retries.
+// recoverAfterProfileSwitch owns the post-commit SIM reset independently of the
+// initiating HTTP request.
 func (manager *Manager) recoverAfterProfileSwitch(id string) {
 	resetContext, cancelReset := context.WithTimeout(context.Background(), manager.longTimeout)
 	if native, err := manager.powerCycleNativeQMISIM(resetContext, id); native {
 		cancelReset()
 		if err == nil {
-			time.Sleep(1500 * time.Millisecond)
+			time.Sleep(1 * time.Second)
 		}
 		// Native WWAN identity and profile verification are both QMI-backed.
 		// Do not enter the AT refresh path: OpenStick firmware can accept the
@@ -1088,52 +1099,39 @@ func (manager *Manager) recoverAfterProfileSwitch(id string) {
 	}
 	cancelReset()
 	if !manager.isPCSCDevice(id) {
-		resetContext, cancelReset := context.WithTimeout(context.Background(), manager.longTimeout)
-		_ = manager.rebootForProfileSwitch(resetContext, id)
+		resetContext, cancelReset := context.WithTimeout(context.Background(), manager.commandTimeout*2)
+		_ = manager.softResetForProfileSwitch(resetContext, id)
 		cancelReset()
 	}
 	manager.refreshAfterProfileSwitch(id)
 }
 
 // refreshAfterProfileSwitch repopulates the device snapshot in the background
-// after an eSIM profile switch + modem reboot. /overview only serves the cached
-// snapshot, and nothing else live-reads post-switch, so without this the card
-// stays on "--" forever. The EC20 takes ~10-15s to come back from AT+CFUN=1,1,
-// so we delay first, then retry with backoff. Transport errors during the
-// reboot window are fine — Fix 1 discards the poisoned client and reopens on
-// the next attempt. All errors are swallowed: this is best-effort self-healing
-// and setResult already records the last failure for the UI.
+// after an eSIM profile switch.
 func (manager *Manager) refreshAfterProfileSwitch(id string) {
 	if manager.isPCSCDevice(id) {
-		time.Sleep(750 * time.Millisecond)
-		for attempt := 0; attempt < 10; attempt++ {
-			ctx, cancel := context.WithTimeout(context.Background(), manager.commandTimeout*4)
+		time.Sleep(500 * time.Millisecond)
+		for attempt := 0; attempt < 5; attempt++ {
+			ctx, cancel := context.WithTimeout(context.Background(), manager.commandTimeout*2)
 			_, _ = manager.Discover(ctx)
 			_, err := manager.Refresh(ctx, id)
 			cancel()
 			if err == nil {
 				return
 			}
-			time.Sleep(time.Second)
+			time.Sleep(500 * time.Millisecond)
 		}
 		return
 	}
 	const (
-		settle   = 8 * time.Second
-		interval = 4 * time.Second
-		attempts = 6
+		settle   = 1 * time.Second
+		interval = 1 * time.Second
+		attempts = 5
 	)
 	time.Sleep(settle)
 	for attempt := 0; attempt < attempts; attempt++ {
-		ctx, cancel := context.WithTimeout(context.Background(), manager.commandTimeout*4)
-		_, _ = manager.Discover(ctx)
-		_, flightErr := manager.SetFlight(ctx, id, true)
-		var err error
-		if flightErr == nil {
-			_, err = manager.Refresh(ctx, id)
-		} else {
-			err = flightErr
-		}
+		ctx, cancel := context.WithTimeout(context.Background(), manager.commandTimeout*2)
+		_, err := manager.Refresh(ctx, id)
 		cancel()
 		if err == nil {
 			return
@@ -1233,7 +1231,7 @@ func (manager *Manager) canVerifyProfileSwitchWithoutRestart(id string) bool {
 // is finalized by REFRESH/reset. The UI must not report success until the modem
 // is actually exposing the requested ICCID.
 func (manager *Manager) verifySwitchedICCID(ctx context.Context, id, expected string) error {
-	return manager.verifySwitchedICCIDAttempts(ctx, id, expected, 6, 2*time.Second)
+	return manager.verifySwitchedICCIDAttempts(ctx, id, expected, 6, 1*time.Second)
 }
 
 func (manager *Manager) verifySwitchedICCIDAttempts(

internal/device/esim_notifications_test.go

@@ -30,9 +30,9 @@ func testNotificationMetadata(t *testing.T, sequence byte, event []byte, address
 }
 
 func TestParsePendingNotifications(t *testing.T) {
-	installMetadata := testNotificationMetadata(t, 7, []byte{7, 0x80}, "install.example.com", "8944476500017228672")
+	installMetadata := testNotificationMetadata(t, 7, []byte{7, 0x80}, "install.example.com", "8944470000000000001")
 	install := derConstruct(0xBF37, derConstruct(0xBF27, installMetadata))
-	deleteMetadata := testNotificationMetadata(t, 9, []byte{4, 0x10}, "delete.example.com", "89441000400128014257")
+	deleteMetadata := testNotificationMetadata(t, 9, []byte{4, 0x10}, "delete.example.com", "8944100000000000001")
 	deleted := derConstruct(0x30, deleteMetadata, derEncode(0x5F37, []byte{1, 2, 3}))
 
 	notifications, err := parsePendingNotifications(derConstruct(0xBF2B, derConstruct(0xA0, install, deleted)))
@@ -44,11 +44,11 @@ func TestParsePendingNotifications(t *testing.T) {
 	}
 	// Results are grouped by receiver, then sorted by sequence number.
 	if got := notifications[0]; got.SequenceNumber != 9 || got.Event != "delete" ||
-		got.Address != "delete.example.com" || got.ICCID != "89441000400128014257" || !bytes.Equal(got.raw, deleted) {
+		got.Address != "delete.example.com" || got.ICCID != "8944100000000000001" || !bytes.Equal(got.raw, deleted) {
 		t.Fatalf("delete notification = %#v, raw=%X", got, got.raw)
 	}
 	if got := notifications[1]; got.SequenceNumber != 7 || got.Event != "install" ||
-		got.Address != "install.example.com" || got.ICCID != "8944476500017228672" || !bytes.Equal(got.raw, install) {
+		got.Address != "install.example.com" || got.ICCID != "8944470000000000001" || !bytes.Equal(got.raw, install) {
 		t.Fatalf("install notification = %#v, raw=%X", got, got.raw)
 	}
 

internal/device/esim_test.go

@@ -55,9 +55,9 @@ func esimTestProfile(t *testing.T, iccidDigits, provider, name string, state byt
 func TestParseProfilesInfoRealShape(t *testing.T) {
 	// BF2D root (this card echoes the request tag) -> A0 list -> E3 records.
 	body := tlv([]byte{0xA0},
-		esimTestProfile(t, "89441000400128014257", "Vodafone UK", "Vodafone UK eSIM", 0x00),
-		esimTestProfile(t, "89441000430011604140", "Vodafone UK", "Vodafone UK eSIM", 0x01),
-		esimTestProfile(t, "89852351225001058508", "Webbing", "WEBBING", 0x00),
+		esimTestProfile(t, "8944100000000000001", "Vodafone UK", "Vodafone UK eSIM", 0x00),
+		esimTestProfile(t, "8944100000000000002", "Vodafone UK", "Vodafone UK eSIM", 0x01),
+		esimTestProfile(t, "8985200000000000001", "Webbing", "WEBBING", 0x00),
 	)
 	payload := tlv([]byte{0xBF, 0x2D}, body)
 
@@ -65,10 +65,10 @@ func TestParseProfilesInfoRealShape(t *testing.T) {
 	if len(profiles) != 3 {
 		t.Fatalf("expected 3 profiles, got %d: %#v", len(profiles), profiles)
 	}
-	if profiles[0].ICCID != "89441000400128014257" || profiles[0].State != 0 {
+	if profiles[0].ICCID != "8944100000000000001" || profiles[0].State != 0 {
 		t.Fatalf("profile[0] = %#v", profiles[0])
 	}
-	if profiles[1].ICCID != "89441000430011604140" || profiles[1].State != 1 || profiles[1].StateText != "已启用" {
+	if profiles[1].ICCID != "8944100000000000002" || profiles[1].State != 1 || profiles[1].StateText != "已启用" {
 		t.Fatalf("profile[1] = %#v", profiles[1])
 	}
 	if profiles[2].ServiceProvider != "Webbing" || profiles[2].Name != "WEBBING" || profiles[2].State != 0 {
@@ -82,8 +82,8 @@ func TestParseProfilesInfoRealShape(t *testing.T) {
 }
 
 func TestParseProfilesInfoSkipsNestedMetadataE3WithoutICCID(t *testing.T) {
-	real := esimTestProfile(t, "89441000400316048687", "Vodafone UK", "Vodafone UK eSIM", 0x01)
-	duplicate := esimTestProfile(t, "89441000400316048687", "Duplicate", "Duplicate", 0x00)
+	real := esimTestProfile(t, "8944100000000000003", "Vodafone UK", "Vodafone UK eSIM", 0x01)
+	duplicate := esimTestProfile(t, "8944100000000000003", "Duplicate", "Duplicate", 0x00)
 	metadata := tlv([]byte{0xE3}, tlv([]byte{0x80}, []byte{0x01}))
 	empty := tlv([]byte{0xE3})
 	payload := tlv([]byte{0xBF, 0x2D}, tlv([]byte{0xA0}, metadata, real, empty, duplicate))
@@ -92,13 +92,13 @@ func TestParseProfilesInfoSkipsNestedMetadataE3WithoutICCID(t *testing.T) {
 	if len(profiles) != 1 {
 		t.Fatalf("profiles = %#v, want one addressable profile", profiles)
 	}
-	if profiles[0].ICCID != "89441000400316048687" || profiles[0].Name != "Vodafone UK eSIM" {
+	if profiles[0].ICCID != "8944100000000000003" || profiles[0].Name != "Vodafone UK eSIM" {
 		t.Fatalf("profile = %#v", profiles[0])
 	}
 }
 
 func TestICCIDRoundTrip(t *testing.T) {
-	for _, digits := range []string{"89441000400128014257", "8985235122500105850", "1"} {
+	for _, digits := range []string{"8944100000000000001", "8985200000000000001", "1"} {
 		bcd, err := encodeICCID(digits)
 		if err != nil {
 			t.Fatalf("encodeICCID(%q): %v", digits, err)
@@ -110,7 +110,7 @@ func TestICCIDRoundTrip(t *testing.T) {
 			t.Fatalf("round trip %q -> %q", digits, got)
 		}
 	}
-	if _, err := encodeICCID("894410004001280142571"); err == nil {
+	if _, err := encodeICCID("894410000000000000001"); err == nil {
 		t.Fatal("21-digit ICCID was accepted")
 	}
 }
@@ -126,11 +126,11 @@ func TestEnableProfileRequestPads18DigitICCIDToTenOctets(t *testing.T) {
 }
 
 func TestDeleteProfileRequestAndResult(t *testing.T) {
-	request, err := buildDeleteProfileRequest("89441000400128014257")
+	request, err := buildDeleteProfileRequest("89441000000000000001")
 	if err != nil {
 		t.Fatal(err)
 	}
-	if got := strings.ToUpper(hex.EncodeToString(request)); got != "BF330C5A0A98440100041082102475" {
+	if got := strings.ToUpper(hex.EncodeToString(request)); got != "BF330C5A0A98440100000000000010" {
 		t.Fatalf("DeleteProfile request = %s", got)
 	}
 	result, ok := deleteProfileResult([]byte{0xBF, 0x33, 0x03, 0x80, 0x01, 0x00})
@@ -144,28 +144,28 @@ func TestDeleteProfileRequestAndResult(t *testing.T) {
 }
 
 func TestSetNicknameRequestAndResult(t *testing.T) {
-	request, err := buildSetNicknameRequest("89441000400128014257", "Test")
+	request, err := buildSetNicknameRequest("89441000000000000001", "Test")
 	if err != nil {
 		t.Fatal(err)
 	}
-	if got := strings.ToUpper(hex.EncodeToString(request)); got != "BF29125A0A98440100041082102475900454657374" {
+	if got := strings.ToUpper(hex.EncodeToString(request)); got != "BF29125A0A98440100000000000010900454657374" {
 		t.Fatalf("SetNickname request = %s", got)
 	}
 	result, ok := setNicknameResult([]byte{0xBF, 0x29, 0x03, 0x80, 0x01, 0x00})
 	if !ok || result != 0 {
 		t.Fatalf("SetNickname result = (%d, %v)", result, ok)
 	}
-	if _, err := buildSetNicknameRequest("89441000400128014257", strings.Repeat("名", 65)); !errors.Is(err, ErrESIMNicknameTooLong) {
+	if _, err := buildSetNicknameRequest("89441000000000000001", strings.Repeat("名", 65)); !errors.Is(err, ErrESIMNicknameTooLong) {
 		t.Fatalf("long nickname error = %v", err)
 	}
 }
 
 func TestDisableProfileRequestAndResult(t *testing.T) {
-	request, err := buildDisableProfileRequest("89441000400128014257")
+	request, err := buildDisableProfileRequest("89441000000000000001")
 	if err != nil {
 		t.Fatal(err)
 	}
-	if got := strings.ToUpper(hex.EncodeToString(request)); got != "BF3211A00C5A0A984401000410821024758101FF" {
+	if got := strings.ToUpper(hex.EncodeToString(request)); got != "BF3211A00C5A0A984401000000000000108101FF" {
 		t.Fatalf("DisableProfile request = %s", got)
 	}
 	result, ok := disableProfileResult([]byte{0xBF, 0x32, 0x03, 0x80, 0x01, 0x00})
@@ -210,7 +210,7 @@ func TestVerifySwitchedICCIDReadsLiveModem(t *testing.T) {
 func TestVerifySwitchedICCIDAttemptsAllowsProactiveRefreshToSettle(t *testing.T) {
 	const target = "89492026266006792824"
 	client := &transcriptClient{steps: []clientStep{
-		{command: "AT+CCID", response: okResponse("+CCID: 89441000400128014257F")},
+		{command: "AT+CCID", response: okResponse("+CCID: 8944100000000000001F")},
 		{command: "AT+CCID", response: okResponse("+CCID: " + target + "F")},
 	}}
 	manager, id := newStartedTestManager(t, client)

internal/device/manager.go

@@ -631,13 +631,11 @@ func (manager *Manager) Reboot(ctx context.Context, id string) error {
 	return err
 }
 
-// rebootForProfileSwitch is the post-EnableProfile modem reset. After the eUICC
-// marks a new profile active, the modem keeps the old SIM cached and lands in
-// SIM failure (-CME 13) until it is bounced. ESIMSwitchProfile has already
-// released opMu by the time it calls this, so the reset is safe to take the
-// lock. This mirrors Reboot but is separate so the call site can't recurse into
-// a guarded-reset path.
-func (manager *Manager) rebootForProfileSwitch(ctx context.Context, id string) error {
+// softResetForProfileSwitch resets the baseband SIM stack using a soft CFUN sequence
+// (AT+CFUN=0 -> AT+CFUN=1/4) instead of rebooting the entire hardware module (AT+CFUN=1,1).
+// This causes the baseband to reload the new eSIM profile files within ~1-2 seconds
+// without disconnecting USB/PCIe or dropping serial communication ports.
+func (manager *Manager) softResetForProfileSwitch(ctx context.Context, id string) error {
 	state, err := manager.lookup(id)
 	if err != nil {
 		return err
@@ -652,14 +650,25 @@ func (manager *Manager) rebootForProfileSwitch(ctx context.Context, id string) e
 		manager.setResult(id, state, nil, err)
 		return err
 	}
-	commandCtx, cancel := manager.withTimeout(ctx, manager.longTimeout)
+	commandCtx, cancel := manager.withTimeout(ctx, manager.commandTimeout)
 	defer cancel()
-	_, err = client.Execute(commandCtx, "AT+CFUN=1,1")
-	if closeErr := client.Close(); err == nil {
-		err = closeErr
+
+	// 1. Cycle SIM interface to minimum functionality / clear cached SIM files
+	_, _ = client.Execute(commandCtx, "AT+CFUN=0")
+
+	select {
+	case <-ctx.Done():
+		return ctx.Err()
+	case <-time.After(500 * time.Millisecond):
 	}
-	state.client = nil
-	state.preFlightMode = nil
+
+	// 2. Restore radio to trigger fresh USIM file reading
+	targetCFUN := "AT+CFUN=1"
+	if state.snapshot != nil && state.snapshot.FlightMode {
+		targetCFUN = "AT+CFUN=4"
+	}
+	_, err = client.Execute(commandCtx, targetCFUN)
+
 	manager.clearSnapshot(id, state)
 	manager.setResult(id, state, nil, err)
 	return err

internal/device/scan_test.go

@@ -91,11 +91,11 @@ func TestCarrierForIMSIHandlesTwoAndThreeDigitMNCs(t *testing.T) {
 		wantPLMN    string
 		wantCountry string
 	}{
-		{imsi: "234336570710174", wantPLMN: "23433", wantCountry: "GB"},
-		{imsi: "234159609054263", wantPLMN: "23415", wantCountry: "GB"},
-		{imsi: "234870123456789", wantPLMN: "23487", wantCountry: "GB"},
-		{imsi: "454006395879502", wantPLMN: "45400", wantCountry: "HK"},
-		{imsi: "310260123456789", wantPLMN: "310260", wantCountry: "US"},
+		{imsi: "234330000000001", wantPLMN: "23433", wantCountry: "GB"},
+		{imsi: "234150000000001", wantPLMN: "23415", wantCountry: "GB"},
+		{imsi: "234870000000001", wantPLMN: "23487", wantCountry: "GB"},
+		{imsi: "454000000000001", wantPLMN: "45400", wantCountry: "HK"},
+		{imsi: "310260000000001", wantPLMN: "310260", wantCountry: "US"},
 	}
 	for _, item := range tests {
 		plmn, name, country, ok := CarrierForIMSI(item.imsi)

internal/device/snapshot.go

@@ -65,6 +65,32 @@ func (manager *Manager) readSnapshot(
 	if response, ok := optional("AT+CPIN?"); ok {
 		snapshot.SIMStatus, snapshot.SIMReady = parseCPIN(response)
 	}
+	previousICCID = strings.TrimSpace(previousICCID)
+	if !snapshot.SIMReady && previousICCID != "" {
+		// On Quectel EC20 and similar modems without physical SIMDET GPIO interrupts,
+		// hot-swapping a SIM cuts card power and leaves the UIM interface de-powered.
+		// A fast soft cycle (AT+CFUN=0 -> AT+CFUN=1/4) re-powers the SIM interface,
+		// triggers ATR and card initialization without hardware restart.
+		_, _ = manager.command(ctx, client, "AT+CFUN=0")
+		select {
+		case <-ctx.Done():
+			return snapshot, ctx.Err()
+		case <-time.After(300 * time.Millisecond):
+		}
+		targetCFUN := "AT+CFUN=1"
+		if snapshot.FlightMode {
+			targetCFUN = "AT+CFUN=4"
+		}
+		_, _ = manager.command(ctx, client, targetCFUN)
+		select {
+		case <-ctx.Done():
+			return snapshot, ctx.Err()
+		case <-time.After(500 * time.Millisecond):
+		}
+		if response, ok := optional("AT+CPIN?"); ok {
+			snapshot.SIMStatus, snapshot.SIMReady = parseCPIN(response)
+		}
+	}
 	ccid, ccidErr := manager.command(ctx, client, "AT+CCID")
 	if ccidErr != nil {
 		ccid, ccidErr = manager.command(ctx, client, "AT+QCCID")
@@ -92,14 +118,11 @@ func (manager *Manager) readSnapshot(
 			snapshot.ICCID = parseICCIDIdentifier(ccid, []string{"+CCID:", "+QCCID:"}, 18, 22)
 		}
 	}
-	previousICCID = strings.TrimSpace(previousICCID)
 	if previousICCID != "" && snapshot.ICCID != "" && !strings.EqualFold(previousICCID, snapshot.ICCID) {
 		// A different physical SIM must never inherit the previous card's
 		// permission to use cellular RF. Disable RF before reading serving-cell
 		// or operator state; policy reconciliation will then start VoWiFi.
-		if _, err := manager.command(ctx, client, "AT+CFUN=4"); err != nil {
-			return snapshot, fmt.Errorf("protect changed SIM with RF off: %w", err)
-		}
+		_, _ = manager.command(ctx, client, "AT+CFUN=4")
 		snapshot.SIMChanged = true
 	}
 	if response, ok := optional("AT+CIMI"); ok {

internal/server/device_features_api_test.go

@@ -580,7 +580,7 @@ func TestHandleESIMNotificationsListAndRetry(t *testing.T) {
 	controller := &fakeEsimNotificationController{items: []device.EsimNotification{{
 		SequenceNumber: 12,
 		Event:          "delete",
-		ICCID:          "89441000400128014257",
+		ICCID:          "8944100000000000001",
 		Address:        "rsp.example.com",
 		AIDHex:         "A0000005591010FFFFFFFF8900000100",
 		CanRetry:       true,

internal/server/device_summary_test.go

@@ -40,12 +40,12 @@ func TestConfiguredDeviceSummaryIgnoresVoWiFiRuntimeFromPreviousSIM(t *testing.T
 	if err := database.UpsertVoWiFiRuntime(context.Background(), store.VoWiFiRuntime{
 		DeviceID:          "ec20_1",
 		Phase:             "stopping",
-		ICCID:             "89441000400128014257",
-		IMSI:              "234159608751160",
+		ICCID:             "8944100000000000001",
+		IMSI:              "234150000000001",
 		TunnelReady:       true,
 		IMSReady:          true,
 		SMSReady:          true,
-		LocalPhone:        "+447386083638",
+		LocalPhone:        "+447700900123",
 		PhoneNumberSource: "ims_p_associated_uri",
 		UpdatedAt:         time.Now().UTC(),
 	}); err != nil {
@@ -60,7 +60,7 @@ func TestConfiguredDeviceSummaryIgnoresVoWiFiRuntimeFromPreviousSIM(t *testing.T
 	if got["vowifi_active"] != false {
 		t.Fatalf("vowifi_active = %#v", got["vowifi_active"])
 	}
-	if got["local_phone"] == "+447386083638" {
+	if got["local_phone"] == "+447700900123" {
 		t.Fatalf("old phone leaked into current SIM summary: %#v", got)
 	}
 	runtime, ok := got["vowifi_runtime"].(map[string]any)
@@ -169,7 +169,7 @@ func TestSnapshotHasSIMDoesNotTreatUnknownStatusAsInserted(t *testing.T) {
 	}
 	for _, snapshot := range []*device.Snapshot{
 		{SIMStatus: "pin_required"},
-		{ICCID: "89441000400128014257"},
+		{ICCID: "8944100000000000001"},
 		{SIMReady: true},
 	} {
 		if !snapshotHasSIM(snapshot) {

internal/server/proxy_binding_test.go

@@ -13,7 +13,7 @@ import (
 	"vocat/internal/vowifi"
 )
 
-const testProfileICCID = "89441000400128014257"
+const testProfileICCID = "8944100000000000001"
 
 func newProfileBindingTestServer(t *testing.T) (*Server, *store.Store, *fakeVoWiFiController) {
 	t.Helper()
@@ -51,7 +51,7 @@ func TestProfileProxyBindingPersistsAndReconnectsOnlyCurrentICCID(t *testing.T)
 	response := profileBindingRequest(t, server, http.MethodPost, `{
 		"upstream_proxy_id":"route-1",
 		"bindings":[
-			{"device_id":"ec20","iccid":"89441000400128014257","profile_name":"Vodafone UK","state_text":"Enabled"},
+			{"device_id":"ec20","iccid":"8944100000000000001","profile_name":"Vodafone UK","state_text":"Enabled"},
 			{"device_id":"ec20","iccid":"89104100000028106378","profile_name":"TIM"}
 		]
 	}`)
@@ -66,7 +66,7 @@ func TestProfileProxyBindingPersistsAndReconnectsOnlyCurrentICCID(t *testing.T)
 		t.Fatalf("reconnects = %d, want only the current ICCID to reconnect", controller.reconnects)
 	}
 
-	response = profileBindingRequest(t, server, http.MethodDelete, `{"upstream_proxy_id":"route-1","iccids":["89441000400128014257","89104100000028106378"]}`)
+	response = profileBindingRequest(t, server, http.MethodDelete, `{"upstream_proxy_id":"route-1","iccids":["8944100000000000001","89104100000028106378"]}`)
 	if response.Code != http.StatusOK {
 		t.Fatalf("DELETE status = %d, body = %s", response.Code, response.Body.String())
 	}
@@ -80,11 +80,11 @@ func TestProfileProxyBindingPersistsAndReconnectsOnlyCurrentICCID(t *testing.T)
 
 func TestProfileProxyBindingRejectsSameICCIDOnDifferentProxy(t *testing.T) {
 	server, database, _ := newProfileBindingTestServer(t)
-	first := profileBindingRequest(t, server, http.MethodPost, `{"upstream_proxy_id":"route-1","bindings":[{"device_id":"ec20","iccid":"89441000400128014257","profile_name":"Profile"}]}`)
+	first := profileBindingRequest(t, server, http.MethodPost, `{"upstream_proxy_id":"route-1","bindings":[{"device_id":"ec20","iccid":"8944100000000000001","profile_name":"Profile"}]}`)
 	if first.Code != http.StatusOK {
 		t.Fatalf("initial bind status = %d, body = %s", first.Code, first.Body.String())
 	}
-	second := profileBindingRequest(t, server, http.MethodPost, `{"upstream_proxy_id":"route-2","bindings":[{"device_id":"ec20","iccid":"89441000400128014257","profile_name":"Profile"}]}`)
+	second := profileBindingRequest(t, server, http.MethodPost, `{"upstream_proxy_id":"route-2","bindings":[{"device_id":"ec20","iccid":"8944100000000000001","profile_name":"Profile"}]}`)
 	if second.Code != http.StatusConflict {
 		t.Fatalf("rebind status = %d, want 409, body = %s", second.Code, second.Body.String())
 	}

internal/server/sms_api.go

@@ -101,10 +101,16 @@ func (s *Server) handleSMSThread(w http.ResponseWriter, r *http.Request) {
 			s.writeStoreError(w, err)
 			return
 		}
-		for _, message := range messages {
-			if !message.Read && (message.Direction == "inbound" || message.Direction == "received") {
-				message.Read = true
-				_, _ = s.store.SaveSMSMessage(r.Context(), message)
+		unreadIDs := make([]int64, 0, len(messages))
+		for i := range messages {
+			if !messages[i].Read && (messages[i].Direction == "inbound" || messages[i].Direction == "received") {
+				messages[i].Read = true
+				unreadIDs = append(unreadIDs, messages[i].ID)
+			}
+		}
+		if len(unreadIDs) > 0 {
+			if markErr := s.store.MarkSMSMessagesRead(r.Context(), unreadIDs); markErr != nil {
+				s.logger.Warn("mark SMS messages read failed", "error", markErr)
 			}
 		}
 		reverseSMS(messages)

internal/server/telegram_bot.go

@@ -236,10 +236,10 @@ func (bot *telegramBot) getUpdates(
 func (bot *telegramBot) handleUpdate(ctx context.Context, config telegramRuntimeConfig, update telegramUpdate) {
 	if callback := update.CallbackQuery; callback != nil {
 		if callback.Message == nil || !bot.authorized(config, callback.Message.Chat.ID, callback.From.ID) {
-			_ = bot.answerCallback(ctx, config, callback.ID, "无权限")
+			go func() { _ = bot.answerCallback(context.Background(), config, callback.ID, "无权限") }()
 			return
 		}
-		_ = bot.answerCallback(ctx, config, callback.ID, "")
+		go func() { _ = bot.answerCallback(context.Background(), config, callback.ID, "") }()
 		bot.handleCallback(ctx, config, callback)
 		return
 	}

internal/server/telegram_bot_test.go

@@ -122,7 +122,7 @@ func TestResolveTelegramPhoneNumberRejectsPlaceholderAndStaleRuntime(t *testing.
 	}
 	state := &vowifi.State{
 		ICCID:       "previous-card",
-		PhoneNumber: "+447386083638",
+		PhoneNumber: "+447700900123",
 	}
 	if got := resolveTelegramPhoneNumber("", state, snapshot); got != "--" {
 		t.Fatalf("stale or placeholder number leaked as %q", got)
@@ -135,10 +135,10 @@ func TestResolveTelegramPhoneNumberRejectsPlaceholderAndStaleRuntime(t *testing.
 }
 
 func TestTelegramCarrierPresentationSeparatesHomeAndServingNetworks(t *testing.T) {
-	if got := telegramHomeCarrier("234336570710174"); !strings.Contains(got, "🇬🇧") || !strings.Contains(got, "23433") {
+	if got := telegramHomeCarrier("234330000000001"); !strings.Contains(got, "🇬🇧") || !strings.Contains(got, "23433") {
 		t.Fatalf("home carrier = %q", got)
 	}
-	if got := telegramHomeCarrier("454006395879502", "Saily"); !strings.Contains(got, "1O1O / csl / Club Sim") || !strings.Contains(got, "45400") || !strings.Contains(got, "🇭🇰") || strings.Contains(got, "Saily") {
+	if got := telegramHomeCarrier("454000000000001", "Saily"); !strings.Contains(got, "1O1O / csl / Club Sim") || !strings.Contains(got, "45400") || !strings.Contains(got, "🇭🇰") || strings.Contains(got, "Saily") {
 		t.Fatalf("profile brand overrode home carrier = %q", got)
 	}
 	if got := telegramHomeCarrier("999991234567890", "Unknown Brand"); got != "Unknown Brand" {

internal/store/domain_test.go

@@ -128,7 +128,7 @@ func TestMigration12ConvertsOnlyKnownActiveDeviceBindingToICCID(t *testing.T) {
 		INSERT INTO device_proxy_bindings (device_id, upstream_proxy_id, created_at, updated_at) VALUES
 			('known', 'route', 100, 100), ('unknown', 'route', 100, 100);
 		INSERT INTO vowifi_runtime (device_id, iccid, updated_at)
-			VALUES ('known', '89441000400128014257', 100);
+			VALUES ('known', '8944100000000000001', 100);
 		PRAGMA user_version = 11;
 	`); err != nil {
 		t.Fatal(err)
@@ -138,7 +138,7 @@ func TestMigration12ConvertsOnlyKnownActiveDeviceBindingToICCID(t *testing.T) {
 	}
 
 	database := openTestStore(t, path)
-	binding, err := database.DeviceProxyBinding(ctx, "89441000400128014257")
+	binding, err := database.DeviceProxyBinding(ctx, "8944100000000000001")
 	if err != nil || binding.DeviceID != "known" || binding.UpstreamProxyID != "route" {
 		t.Fatalf("migrated binding = %+v, %v", binding, err)
 	}
@@ -579,6 +579,20 @@ func TestSMSPersistenceAndDerivedThreads(t *testing.T) {
 	if len(contacts) != 1 || contacts[0].UnreadCount != 0 {
 		t.Fatalf("thread should be read: %+v", contacts)
 	}
+
+	// A subsequent periodic modem AT sync with raw unread state must not revert is_read back to 0.
+	if _, err := database.SaveSMSMessage(ctx, SMSMessage{
+		MessageID: "network-1", DeviceID: "ec20-1", IMSI: "46000",
+		Peer: "10086", Direction: "inbound", Body: "第一条（完整）",
+		Timestamp: base, Status: "received", Read: false,
+	}); err != nil {
+		t.Fatal(err)
+	}
+	contacts, err = database.ListSMSContacts(ctx, SMSFilter{Peer: "10086"})
+	if err != nil || len(contacts) != 1 || contacts[0].UnreadCount != 0 {
+		t.Fatalf("thread read state must survive modem rescan: %+v", contacts)
+	}
+
 	deleted, err := database.DeleteSMSThread(ctx, "ec20-1", "46000", "10086")
 	if err != nil || deleted != 2 {
 		t.Fatalf("DeleteSMSThread() = %d, %v", deleted, err)
@@ -789,11 +803,11 @@ func TestProxyCredentialsAndCountryRules(t *testing.T) {
 		t.Fatalf("CountryRule() = %+v, %v", rule, err)
 	}
 	if err := database.UpsertDeviceProxyBinding(ctx, DeviceProxyBinding{
-		DeviceID: "ec20-1", ICCID: "89441000400128014257", ProfileName: "Vodafone", UpstreamProxyID: "up-1",
+		DeviceID: "ec20-1", ICCID: "8944100000000000001", ProfileName: "Vodafone", UpstreamProxyID: "up-1",
 	}); err != nil {
 		t.Fatal(err)
 	}
-	binding, err := database.DeviceProxyBinding(ctx, "89441000400128014257")
+	binding, err := database.DeviceProxyBinding(ctx, "8944100000000000001")
 	if err != nil || binding.UpstreamProxyID != "up-1" || binding.DeviceID != "ec20-1" || binding.ProfileName != "Vodafone" {
 		t.Fatalf("DeviceProxyBinding() = %+v, %v", binding, err)
 	}
@@ -803,7 +817,7 @@ func TestProxyCredentialsAndCountryRules(t *testing.T) {
 	if _, err := database.CountryRule(ctx, "CN"); !errors.Is(err, ErrNotFound) {
 		t.Fatalf("country rule should cascade with upstream deletion, got %v", err)
 	}
-	if _, err := database.DeviceProxyBinding(ctx, "89441000400128014257"); !errors.Is(err, ErrNotFound) {
+	if _, err := database.DeviceProxyBinding(ctx, "8944100000000000001"); !errors.Is(err, ErrNotFound) {
 		t.Fatalf("device binding should cascade with upstream deletion, got %v", err)
 	}
 }

internal/store/sms.go

@@ -92,15 +92,16 @@ func saveSMSMessage(
 		if mergeErr != nil {
 			return SMSMessage{}, fmt.Errorf("merge concatenated SMS segment: %w", mergeErr)
 		}
-		if existingErr == nil && !changed {
-			// This segment is already folded into the stored row (a periodic modem
-			// rescan redelivers every segment). Leave the row untouched so the
-			// durable id stays put and Telegram does not re-notify.
-			return existing, nil
-		}
-		value.Body = mergedBody
-		extra = mergedExtra
 		if existingErr == nil {
+			if !changed {
+				if value.Read != existing.Read {
+					if _, err := executor.ExecContext(ctx, `UPDATE sms_messages SET is_read = ?, updated_at = ? WHERE id = ?`, boolInt(value.Read), now.Unix(), existing.ID); err != nil {
+						return SMSMessage{}, fmt.Errorf("update concatenated SMS read state: %w", err)
+					}
+					existing.Read = value.Read
+				}
+				return existing, nil
+			}
 			// A new segment advanced the message. Replace the stale partial row so
 			// the merged row receives a fresh durable id; the Telegram id-cursor
 			// then surfaces the now-more-complete message exactly once. Carry
@@ -116,6 +117,8 @@ func saveSMSMessage(
 				value.Timestamp = existing.Timestamp
 			}
 		}
+		value.Body = mergedBody
+		extra = mergedExtra
 	}
 	if value.Timestamp.IsZero() {
 		value.Timestamp = now
@@ -171,7 +174,10 @@ func saveSMSMessage(
 			source = excluded.source,
 			parts_total = excluded.parts_total,
 			delivery_state = excluded.delivery_state,
-			is_read = excluded.is_read,
+			is_read = CASE
+				WHEN sms_messages.is_read = 1 THEN 1
+				ELSE excluded.is_read
+			END,
 			extra_json = excluded.extra_json,
 			updated_at = excluded.updated_at
 	`,
@@ -507,6 +513,25 @@ func (s *Store) MarkSMSThreadRead(
 	return affected, nil
 }
 
+func (s *Store) MarkSMSMessagesRead(ctx context.Context, ids []int64) error {
+	if len(ids) == 0 {
+		return nil
+	}
+	placeholders := make([]string, len(ids))
+	args := make([]any, 0, len(ids)+1)
+	args = append(args, time.Now().UTC().Unix())
+	for i, id := range ids {
+		placeholders[i] = "?"
+		args = append(args, id)
+	}
+	query := fmt.Sprintf("UPDATE sms_messages SET is_read = 1, updated_at = ? WHERE id IN (%s) AND is_read = 0", strings.Join(placeholders, ","))
+	_, err := s.db.ExecContext(ctx, query, args...)
+	if err != nil {
+		return fmt.Errorf("mark SMS messages read: %w", err)
+	}
+	return nil
+}
+
 // ListSMSContacts derives contacts and thread counters from messages. No
 // duplicated contact/thread table can drift out of sync with message history.
 func (s *Store) ListSMSContacts(ctx context.Context, filter SMSFilter) ([]SMSContact, error) {

internal/vowifi/carrier_compat.go

@@ -396,8 +396,8 @@ func decimalString(value string) bool {
 // ResolveCarrierProfile returns the most specific built-in match. Exact SIM
 // attributes add specificity, so a constrained MVNO rule wins over its host
 // PLMN without weakening the default match for unrelated subscriptions.
-func ResolveCarrierProfile(identity SIMIdentity) CarrierProfile {
-	resolved := CarrierProfile{
+func defaultCarrierProfile() CarrierProfile {
+	return CarrierProfile{
 		ID:                 CarrierProfileStandard,
 		MatchSource:        "standard",
 		IKEProposal:        IKEProposalModern,
@@ -408,6 +408,13 @@ func ResolveCarrierProfile(identity SIMIdentity) CarrierProfile {
 		IMSDialURIScheme:   "tel",
 		IMSVoiceCodecs:     []string{"PCMA", "PCMU"},
 	}
+}
+
+// ResolveCarrierProfile returns the most specific built-in match. Exact SIM
+// attributes add specificity, so a constrained MVNO rule wins over its host
+// PLMN without weakening the default match for unrelated subscriptions.
+func ResolveCarrierProfile(identity SIMIdentity) CarrierProfile {
+	resolved := defaultCarrierProfile()
 	bestScore := -1
 	for _, rule := range carrierProfilesSnapshot() {
 		score, source, matched := matchCarrierProfileRule(rule, identity)
@@ -415,7 +422,7 @@ func ResolveCarrierProfile(identity SIMIdentity) CarrierProfile {
 			continue
 		}
 		bestScore = score
-		resolved = applyCarrierProfileRule(resolved, rule, source, identity)
+		resolved = applyCarrierProfileRule(defaultCarrierProfile(), rule, source, identity)
 	}
 	return resolved
 }
@@ -458,6 +465,8 @@ func matchCarrierProfile(match carrierProfileMatch, identity SIMIdentity) (int,
 			score += 100
 			sources = append(sources, "hplmn")
 			hasHomePLMNMatch = true
+		} else if identity.HomeMCC != "" && identity.HomeMNC != "" {
+			return 0, "", false
 		}
 	}
 	hasSelectorMatch := false
@@ -487,7 +496,7 @@ func matchCarrierProfile(match carrierProfileMatch, identity SIMIdentity) (int,
 			score += selector.weight
 			sources = append(sources, selector.name)
 			hasSelectorMatch = true
-		} else if !hasHomePLMNMatch {
+		} else if !hasHomePLMNMatch || selector.name == "gid1" || selector.name == "gid2" {
 			return 0, "", false
 		}
 	}
@@ -499,6 +508,8 @@ func matchCarrierProfile(match carrierProfileMatch, identity SIMIdentity) (int,
 			score += 20
 			sources = append(sources, "spn")
 			hasSelectorMatch = true
+		} else {
+			return 0, "", false
 		}
 	}
 	if !hasHomePLMNMatch && !hasSelectorMatch {

internal/vowifi/carrier_compat_test.go

@@ -73,3 +73,63 @@ func TestResolveCarrierProfileStandardHasNoRegisterOverrides(t *testing.T) {
 		t.Fatal("standard profile should require SMS contact confirmation")
 	}
 }
+
+func TestMVNOParentNetworkRouting(t *testing.T) {
+	// Giffgaff on O2 UK
+	giffgaff := ResolveCarrierProfile(SIMIdentity{
+		IMSI: "234100000000001", HomeMCC: "234", HomeMNC: "10", GID1: "508FFFFF",
+	})
+	if giffgaff.RouteMCC != "234" || giffgaff.RouteMNC != "10" {
+		t.Fatalf("giffgaff Route PLMN = %s-%s, want 234-10", giffgaff.RouteMCC, giffgaff.RouteMNC)
+	}
+
+	// VOXI on Vodafone UK
+	voxi := ResolveCarrierProfile(SIMIdentity{
+		IMSI: "234150000000001", HomeMCC: "234", HomeMNC: "15", SPN: "VOXI",
+	})
+	if !strings.Contains(voxi.ID, "voxi") || voxi.RouteMCC != "234" || voxi.RouteMNC != "15" {
+		t.Fatalf("VOXI profile = %#v", voxi)
+	}
+
+	// SMARTY on Three UK
+	smarty := ResolveCarrierProfile(SIMIdentity{
+		IMSI: "234200000000001", HomeMCC: "234", HomeMNC: "20", SPN: "SMARTY",
+	})
+	if !strings.Contains(smarty.ID, "smarty") || smarty.RouteMCC != "234" || smarty.RouteMNC != "20" {
+		t.Fatalf("SMARTY profile = %#v", smarty)
+	}
+}
+
+func TestGlobalRoamingProviderResolution(t *testing.T) {
+	// Truphone / BetterRoaming global 90143
+	truphone := ResolveCarrierProfile(SIMIdentity{
+		IMSI: "901430000000001", HomeMCC: "901", HomeMNC: "43",
+	})
+	if (!strings.Contains(truphone.ID, "truphone") && !strings.Contains(truphone.ID, "1global")) || truphone.EPDG != "epdg.eps.truphone.net" {
+		t.Fatalf("Truphone global profile = %#v", truphone)
+	}
+
+	// Jersey Telecom 23450 (eSIM Go / 1GLOBAL / RedteaGO host)
+	jersey := ResolveCarrierProfile(SIMIdentity{
+		IMSI: "234500000000001", HomeMCC: "234", HomeMNC: "50",
+	})
+	if !strings.Contains(jersey.ID, "jersey-telecom") || jersey.EPDG != "epdg.epc.mnc050.mcc234.pub.3gppnetwork.org" {
+		t.Fatalf("Jersey Telecom profile = %#v", jersey)
+	}
+}
+
+func TestCTExcelMVNOResolution(t *testing.T) {
+	ctexcel := ResolveCarrierProfile(SIMIdentity{
+		IMSI:    "234330000000001",
+		ICCID:   "8944300000000000001",
+		SPN:     "CTExcel",
+		HomeMCC: "234",
+		HomeMNC: "33",
+	})
+	if ctexcel.ID != "ipcc-ctexcel-23433" {
+		t.Fatalf("CTExcel profile ID = %q, want ipcc-ctexcel-23433", ctexcel.ID)
+	}
+	if ctexcel.IMSDialURIScheme != "sip" || !ctexcel.IMSUserEqPhone {
+		t.Fatalf("CTExcel dial URI scheme = %q, userEqPhone = %v", ctexcel.IMSDialURIScheme, ctexcel.IMSUserEqPhone)
+	}
+}

internal/vowifi/carrier_profiles.json

@@ -4054,6 +4054,19 @@
         "home_plmns": [
           "23450"
         ]
+      },
+      "route": {
+        "mcc": "234",
+        "mnc": "50"
+      },
+      "epdg": {
+        "hostname": "epdg.epc.mnc050.mcc234.pub.3gppnetwork.org"
+      },
+      "ike": {
+        "proposal": "modern"
+      },
+      "ims": {
+        "ipsec_encryption": "aes-cbc"
       }
     },
     {
@@ -5724,13 +5737,27 @@
     },
     {
       "id": "ipcc-giffgaff-23410",
-      "match": {
-        "home_plmns": [
-          "23410"
-        ],
-        "gid1_prefixes": [
-          "508"
-        ]
+      "match_any": [
+        {
+          "home_plmns": [
+            "23410"
+          ],
+          "gid1_prefixes": [
+            "508"
+          ]
+        },
+        {
+          "home_plmns": [
+            "23410"
+          ],
+          "spns": [
+            "giffgaff"
+          ]
+        }
+      ],
+      "route": {
+        "mcc": "234",
+        "mnc": "10"
       },
       "epdg": {
         "hostname": "epdg.epc.mnc010.mcc234.pub.3gppnetwork.org"
@@ -5742,6 +5769,74 @@
         "ipsec_encryption": "aes-cbc"
       }
     },
+    {
+      "id": "ipcc-voxi-23415",
+      "match_any": [
+        {
+          "home_plmns": [
+            "23415"
+          ],
+          "spns": [
+            "VOXI"
+          ]
+        },
+        {
+          "home_plmns": [
+            "23415"
+          ],
+          "gid1_prefixes": [
+            "4E"
+          ]
+        }
+      ],
+      "route": {
+        "mcc": "234",
+        "mnc": "15"
+      },
+      "epdg": {
+        "hostname": "epdg.epc.mnc015.mcc234.pub.3gppnetwork.org"
+      },
+      "ike": {
+        "proposal": "modern"
+      },
+      "ims": {
+        "ipsec_encryption": "aes-cbc"
+      }
+    },
+    {
+      "id": "ipcc-smarty-23420",
+      "match_any": [
+        {
+          "home_plmns": [
+            "23420"
+          ],
+          "spns": [
+            "SMARTY"
+          ]
+        },
+        {
+          "home_plmns": [
+            "23420"
+          ],
+          "gid1_prefixes": [
+            "534D41525459"
+          ]
+        }
+      ],
+      "route": {
+        "mcc": "234",
+        "mnc": "20"
+      },
+      "epdg": {
+        "hostname": "epdg.epc.mnc020.mcc234.pub.3gppnetwork.org"
+      },
+      "ike": {
+        "proposal": "modern"
+      },
+      "ims": {
+        "ipsec_encryption": "aes-cbc"
+      }
+    },
     {
       "id": "ipcc-o2-23410",
       "match_any": [
@@ -6356,6 +6451,39 @@
         ]
       }
     },
+    {
+      "id": "ipcc-ctexcel-23433",
+      "match": {
+        "home_plmns": [
+          "23433",
+          "23430"
+        ],
+        "spns": [
+          "CTExcel",
+          "CTExcel UK",
+          "China Telecom",
+          "China Telecom UK"
+        ],
+        "iccid_prefixes": [
+          "894430"
+        ]
+      },
+      "route": {
+        "mcc": "234",
+        "mnc": "33"
+      },
+      "epdg": {
+        "hostname": "epdg.epc.mnc033.mcc234.pub.3gppnetwork.org"
+      },
+      "ike": {
+        "proposal": "modern"
+      },
+      "ims": {
+        "dial_uri_scheme": "sip",
+        "user_eq_phone": true,
+        "ipsec_encryption": "aes-cbc"
+      }
+    },
     {
       "id": "ipcc-ee-23433",
       "match": {
@@ -9660,6 +9788,19 @@
           "gid1_prefixes": [
             "547275554B3030656E"
           ]
+        },
+        {
+          "home_plmns": [
+            "90143",
+            "90128"
+          ]
+        },
+        {
+          "spns": [
+            "Truphone",
+            "BetterRoaming",
+            "1GLOBAL"
+          ]
         }
       ],
       "epdg": {

internal/vowifi/ike/crypto.go

@@ -280,6 +280,239 @@ func decryptPayloads(
 	return header, payloads, nil
 }
 
+const defaultIKEFragmentSize = 1100
+
+func encryptPayloadsFragmented(
+	header ikeHeader,
+	inner []payload,
+	suite negotiatedSuite,
+	encryptionKey []byte,
+	integrityKey []byte,
+	maxFragmentSize int,
+	random io.Reader,
+) ([][]byte, error) {
+	if random == nil {
+		random = rand.Reader
+	}
+	if maxFragmentSize <= 0 {
+		maxFragmentSize = defaultIKEFragmentSize
+	}
+	first, plaintext, err := marshalPayloadChain(inner)
+	if err != nil {
+		return nil, err
+	}
+	block, err := aes.NewCipher(encryptionKey)
+	if err != nil {
+		return nil, fmt.Errorf("ike: initialize AES: %w", err)
+	}
+	_, checksumLength, err := suite.integrityLengths()
+	if err != nil {
+		return nil, err
+	}
+
+	maxChunk := maxFragmentSize - ikeHeaderLength - 8 - block.BlockSize() - block.BlockSize() - checksumLength
+	if maxChunk < 64 {
+		maxChunk = 64
+	}
+
+	var chunks [][]byte
+	for len(plaintext) > 0 {
+		take := len(plaintext)
+		if take > maxChunk {
+			take = maxChunk
+		}
+		chunks = append(chunks, plaintext[:take])
+		plaintext = plaintext[take:]
+	}
+	totalFragments := uint16(len(chunks))
+	if totalFragments == 0 {
+		totalFragments = 1
+		chunks = [][]byte{nil}
+	}
+
+	var packets [][]byte
+	for index, chunk := range chunks {
+		fragNum := uint16(index + 1)
+		fragNext := uint8(payloadNone)
+		if fragNum == 1 {
+			fragNext = first
+		}
+
+		paddingLength := block.BlockSize() - (len(chunk)+1)%block.BlockSize()
+		if paddingLength == block.BlockSize() {
+			paddingLength = 0
+		}
+		padding := make([]byte, paddingLength)
+		if _, err := io.ReadFull(random, padding); err != nil {
+			return nil, fmt.Errorf("ike: generate encrypted payload padding: %w", err)
+		}
+		paddedChunk := append(append([]byte(nil), chunk...), padding...)
+		paddedChunk = append(paddedChunk, byte(paddingLength))
+
+		iv := make([]byte, block.BlockSize())
+		if _, err := io.ReadFull(random, iv); err != nil {
+			return nil, fmt.Errorf("ike: generate encrypted payload IV: %w", err)
+		}
+		ciphertext := make([]byte, len(paddedChunk))
+		cipher.NewCBCEncrypter(block, iv).CryptBlocks(ciphertext, paddedChunk)
+
+		skfLength := 4 + 4 + len(iv) + len(ciphertext) + checksumLength
+		if skfLength > 65535 {
+			return nil, errors.New("ike: encrypted fragment exceeds 65535 bytes")
+		}
+
+		body := make([]byte, skfLength)
+		body[0] = fragNext
+		body[1] = 0
+		binary.BigEndian.PutUint16(body[2:4], uint16(skfLength))
+		binary.BigEndian.PutUint16(body[4:6], fragNum)
+		binary.BigEndian.PutUint16(body[6:8], totalFragments)
+		copy(body[8:], iv)
+		copy(body[8+len(iv):], ciphertext)
+
+		fragHeader := header
+		fragHeader.NextPayload = payloadEncryptedFragment
+		packet := fragHeader.marshal(body)
+		checksum, err := integrityMAC(suite, integrityKey, packet[:len(packet)-checksumLength])
+		if err != nil {
+			return nil, err
+		}
+		copy(packet[len(packet)-checksumLength:], checksum)
+		packets = append(packets, packet)
+	}
+	return packets, nil
+}
+
+func decryptSingleFragment(
+	packet []byte,
+	suite negotiatedSuite,
+	encryptionKey []byte,
+	integrityKey []byte,
+) (ikeHeader, uint8, uint16, uint16, []byte, error) {
+	header, body, err := parseIKEPacket(packet)
+	if err != nil {
+		return ikeHeader{}, 0, 0, 0, nil, err
+	}
+	if header.NextPayload != payloadEncryptedFragment || len(body) < 8 {
+		return ikeHeader{}, 0, 0, 0, nil, fmt.Errorf("%w: message is not an encrypted IKE fragment", errUnexpectedPacket)
+	}
+	skfLength := int(binary.BigEndian.Uint16(body[2:4]))
+	if skfLength != len(body) {
+		return ikeHeader{}, 0, 0, 0, nil, fmt.Errorf("%w: encrypted fragment length mismatch", errMalformedPacket)
+	}
+	block, err := aes.NewCipher(encryptionKey)
+	if err != nil {
+		return ikeHeader{}, 0, 0, 0, nil, fmt.Errorf("ike: initialize AES: %w", err)
+	}
+	_, checksumLength, err := suite.integrityLengths()
+	if err != nil {
+		return ikeHeader{}, 0, 0, 0, nil, err
+	}
+	if len(body) < 8+block.BlockSize()+block.BlockSize()+checksumLength {
+		return ikeHeader{}, 0, 0, 0, nil, fmt.Errorf("%w: encrypted fragment is too short", errMalformedPacket)
+	}
+	expected, err := integrityMAC(suite, integrityKey, packet[:len(packet)-checksumLength])
+	if err != nil {
+		return ikeHeader{}, 0, 0, 0, nil, err
+	}
+	actual := packet[len(packet)-checksumLength:]
+	if subtle.ConstantTimeCompare(actual, expected) != 1 {
+		return ikeHeader{}, 0, 0, 0, nil, errIntegrityMismatch
+	}
+
+	fragNext := body[0]
+	fragNum := binary.BigEndian.Uint16(body[4:6])
+	totalFrags := binary.BigEndian.Uint16(body[6:8])
+	if fragNum == 0 || totalFrags == 0 || fragNum > totalFrags {
+		return ikeHeader{}, 0, 0, 0, nil, fmt.Errorf("%w: invalid fragment numbers %d/%d", errMalformedPacket, fragNum, totalFrags)
+	}
+
+	ivStart := 8
+	ciphertextStart := ivStart + block.BlockSize()
+	ciphertextEnd := len(body) - checksumLength
+	ciphertext := body[ciphertextStart:ciphertextEnd]
+	if len(ciphertext) == 0 || len(ciphertext)%block.BlockSize() != 0 {
+		return ikeHeader{}, 0, 0, 0, nil, fmt.Errorf("%w: fragment ciphertext is not block aligned", errMalformedPacket)
+	}
+	plaintext := make([]byte, len(ciphertext))
+	cipher.NewCBCDecrypter(block, body[ivStart:ciphertextStart]).CryptBlocks(plaintext, ciphertext)
+	paddingLength := int(plaintext[len(plaintext)-1])
+	if paddingLength+1 > len(plaintext) {
+		return ikeHeader{}, 0, 0, 0, nil, fmt.Errorf("%w: invalid encrypted fragment padding", errMalformedPacket)
+	}
+	plaintext = plaintext[:len(plaintext)-paddingLength-1]
+	return header, fragNext, fragNum, totalFrags, plaintext, nil
+}
+
+func decryptPayloadsAny(
+	packet []byte,
+	fragments [][]byte,
+	suite negotiatedSuite,
+	encryptionKey []byte,
+	integrityKey []byte,
+) (ikeHeader, []payload, error) {
+	if len(fragments) > 0 {
+		var (
+			firstHeader   ikeHeader
+			firstNext     uint8
+			totalExpected uint16
+			plaintexts    = make(map[uint16][]byte)
+		)
+		for _, fragPacket := range fragments {
+			hdr, next, num, total, plain, err := decryptSingleFragment(fragPacket, suite, encryptionKey, integrityKey)
+			if err != nil {
+				return ikeHeader{}, nil, err
+			}
+			if totalExpected == 0 {
+				firstHeader = hdr
+				totalExpected = total
+			} else if total != totalExpected || hdr.MessageID != firstHeader.MessageID || hdr.Exchange != firstHeader.Exchange {
+				return ikeHeader{}, nil, fmt.Errorf("%w: inconsistent fragment headers", errMalformedPacket)
+			}
+			if num == 1 {
+				firstNext = next
+			}
+			plaintexts[num] = plain
+		}
+		if uint16(len(plaintexts)) != totalExpected {
+			return ikeHeader{}, nil, fmt.Errorf("%w: missing fragments: received %d of %d", errMalformedPacket, len(plaintexts), totalExpected)
+		}
+		var fullPlaintext []byte
+		for i := uint16(1); i <= totalExpected; i++ {
+			chunk, ok := plaintexts[i]
+			if !ok {
+				return ikeHeader{}, nil, fmt.Errorf("%w: missing fragment %d", errMalformedPacket, i)
+			}
+			fullPlaintext = append(fullPlaintext, chunk...)
+		}
+		payloads, err := parsePayloadChain(firstNext, fullPlaintext)
+		if err != nil {
+			return ikeHeader{}, nil, err
+		}
+		return firstHeader, payloads, nil
+	}
+
+	header, _, err := parseIKEPacket(packet)
+	if err != nil {
+		return ikeHeader{}, nil, err
+	}
+	if header.NextPayload == payloadEncryptedFragment {
+		hdr, next, num, total, plain, err := decryptSingleFragment(packet, suite, encryptionKey, integrityKey)
+		if err != nil {
+			return ikeHeader{}, nil, err
+		}
+		if num != 1 || total != 1 {
+			return ikeHeader{}, nil, fmt.Errorf("%w: standalone fragment with total=%d", errMalformedPacket, total)
+		}
+		payloads, err := parsePayloadChain(next, plain)
+		if err != nil {
+			return ikeHeader{}, nil, err
+		}
+		return hdr, payloads, nil
+	}
+	return decryptPayloads(packet, suite, encryptionKey, integrityKey)
+}
+
 var modpPrimes = map[uint16]string{
 	dhMODP1024: "FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD1" +
 		"29024E088A67CC74020BBEA63B139B22514A08798E3404DD" +

internal/vowifi/ike/crypto_test.go

@@ -113,3 +113,80 @@ func TestIKEKeyDerivationSeparatesDirections(t *testing.T) {
 		t.Fatal("initiator and responder keys were not separated")
 	}
 }
+
+func TestRFC7383FragmentationAndReassembly(t *testing.T) {
+	suite := legacyTestSuite()
+	encryptionKey := bytes.Repeat([]byte{0x11}, 16)
+	integrityKey := bytes.Repeat([]byte{0x22}, 20)
+	header := ikeHeader{
+		InitiatorSPI: [8]byte{1, 2, 3, 4, 5, 6, 7, 8},
+		ResponderSPI: [8]byte{8, 7, 6, 5, 4, 3, 2, 1},
+		Exchange:     exchangeIKEAuth,
+		Flags:        flagInitiator,
+		MessageID:    9,
+	}
+
+	largeCertData := bytes.Repeat([]byte{0xAB, 0xCD, 0xEF, 0x01}, 400) // 1600 bytes
+	inner := []payload{
+		{Type: payloadIDi, Body: []byte{3, 0, 0, 0, 'u', 's', 'e', 'r'}},
+		{Type: payloadCert, Body: largeCertData},
+		{Type: payloadAuth, Body: bytes.Repeat([]byte{0x55}, 64)},
+	}
+
+	// Fragment into chunks with max fragment size 600 bytes
+	packets, err := encryptPayloadsFragmented(
+		header,
+		inner,
+		suite,
+		encryptionKey,
+		integrityKey,
+		600,
+		bytes.NewReader(bytes.Repeat([]byte{0x77}, 1024)),
+	)
+	if err != nil {
+		t.Fatalf("encryptPayloadsFragmented() error = %v", err)
+	}
+
+	if len(packets) < 3 {
+		t.Fatalf("expected at least 3 fragments for large payload, got %d", len(packets))
+	}
+
+	for i, pkt := range packets {
+		hdr, body, parseErr := parseIKEPacket(pkt)
+		if parseErr != nil {
+			t.Fatalf("fragment %d parse error: %v", i+1, parseErr)
+		}
+		if hdr.NextPayload != payloadEncryptedFragment {
+			t.Fatalf("fragment %d NextPayload = %d, want %d (payloadEncryptedFragment)", i+1, hdr.NextPayload, payloadEncryptedFragment)
+		}
+		if len(body) < 8 {
+			t.Fatalf("fragment %d body too short", i+1)
+		}
+	}
+
+	// Decrypt and reassemble
+	decodedHeader, decoded, err := decryptPayloadsAny(nil, packets, suite, encryptionKey, integrityKey)
+	if err != nil {
+		t.Fatalf("decryptPayloadsAny() error = %v", err)
+	}
+
+	if decodedHeader.MessageID != header.MessageID || len(decoded) != len(inner) {
+		t.Fatalf("reassembled payload mismatch: header=%#v, count=%d, want=%d", decodedHeader, len(decoded), len(inner))
+	}
+
+	for index := range inner {
+		if decoded[index].Type != inner[index].Type || !bytes.Equal(decoded[index].Body, inner[index].Body) {
+			t.Fatalf("decoded payload %d = %#v, want %#v", index, decoded[index], inner[index])
+		}
+	}
+
+	// Test tamper detection on second fragment
+	tamperedPackets := make([][]byte, len(packets))
+	for i := range packets {
+		tamperedPackets[i] = append([]byte(nil), packets[i]...)
+	}
+	tamperedPackets[1][len(tamperedPackets[1])-1] ^= 0x55
+	if _, _, err := decryptPayloadsAny(nil, tamperedPackets, suite, encryptionKey, integrityKey); !errors.Is(err, errIntegrityMismatch) {
+		t.Fatalf("tampered fragment decrypt error = %v, want errIntegrityMismatch", err)
+	}
+}

internal/vowifi/ike/eap.go

@@ -264,8 +264,13 @@ func permanentAKAIdentity(identity vowifi.SIMIdentity) ([]byte, error) {
 			return nil, errors.New("ike: IMSI contains a non-digit")
 		}
 	}
-	mcc := strings.TrimSpace(identity.HomeMCC)
-	mnc := strings.TrimSpace(identity.HomeMNC)
+	profile := vowifi.ResolveCarrierProfile(identity)
+	mcc := strings.TrimSpace(profile.RouteMCC)
+	mnc := strings.TrimSpace(profile.RouteMNC)
+	if mcc == "" || mnc == "" {
+		mcc = strings.TrimSpace(identity.HomeMCC)
+		mnc = strings.TrimSpace(identity.HomeMNC)
+	}
 	if len(mcc) != 3 || (len(mnc) != 2 && len(mnc) != 3) {
 		return nil, errors.New("ike: explicit home MCC/MNC is required for EAP-AKA")
 	}

internal/vowifi/ike/epdg_resolver.go

@@ -29,21 +29,28 @@ func resolveEPDG(ctx context.Context, resolver *net.Resolver, host string) ([]ne
 		resolver = net.DefaultResolver
 	}
 	normalized := strings.ToLower(strings.TrimSuffix(strings.TrimSpace(host), "."))
-	addresses, systemErr := resolver.LookupIPAddr(ctx, host)
-	validSystemAddresses := filterValidPublicEPDGAddresses(addresses)
-	if systemErr == nil && len(validSystemAddresses) > 0 {
-		return validSystemAddresses, nil
+	hostsToTry := []string{normalized}
+	if alt := alternate3GPPHostname(normalized); alt != "" && alt != normalized {
+		hostsToTry = append(hostsToTry, alt)
+	}
+
+	var systemErr error
+	for _, targetHost := range hostsToTry {
+		addresses, err := resolver.LookupIPAddr(ctx, targetHost)
+		if err == nil {
+			valid := filterValidPublicEPDGAddresses(addresses)
+			if len(valid) > 0 {
+				return valid, nil
+			}
+		} else {
+			systemErr = err
+		}
 	}
 
 	subnet := vowifi.EPDGDNSClientSubnet(normalized)
 	client := &http.Client{Timeout: 8 * time.Second}
 	var fallbackErr error
 
-	hostsToTry := []string{normalized}
-	if alt := alternate3GPPHostname(normalized); alt != "" && alt != normalized {
-		hostsToTry = append(hostsToTry, alt)
-	}
-
 	for _, targetHost := range hostsToTry {
 		var fallback []net.IPAddr
 		fallback, fallbackErr = resolveEPDGWithECS(ctx, client, googleDNSOverHTTPS, targetHost, subnet)

internal/vowifi/ike/provider.go

@@ -187,6 +187,7 @@ func (provider *Provider) start(ctx context.Context, request vowifi.TunnelReques
 		{Type: payloadNonce, Body: initiatorNonce},
 		makeNotify(notifyNATSource, sourceHash),
 		makeNotify(notifyNATDestination, destinationHash),
+		makeNotify(notifyFragmentationSupported, nil),
 	}
 	var (
 		initRequest          []byte
@@ -243,6 +244,7 @@ func (provider *Provider) start(ctx context.Context, request vowifi.TunnelReques
 		}
 		break
 	}
+	peerSupportsFragmentation := hasNotifyType(initResponsePayloads, notifyFragmentationSupported)
 	saPayload, err := onePayload(initResponsePayloads, payloadSA)
 	if err != nil {
 		return nil, err
@@ -345,21 +347,19 @@ func (provider *Provider) start(ctx context.Context, request vowifi.TunnelReques
 		Flags:        flagInitiator,
 		MessageID:    1,
 	}
-	authRequest, err := encryptPayloads(authHeader, firstAuthPayloads, ikeSuite, keys.SKei, keys.SKai, provider.config.Random)
-	if err != nil {
-		return nil, err
-	}
-	authResponse, err := transport.RoundTrip(ctx, authRequest)
-	if err != nil {
-		return nil, err
-	}
-	authResponseHeader, authResponsePayloads, err := decryptAndValidate(
-		authResponse, initiatorSPI, responseHeader.ResponderSPI, exchangeIKEAuth, 1, ikeSuite, keys,
+	_, authResponsePayloads, err := sendAndReceiveIKEPayloads(
+		ctx,
+		transport,
+		authHeader,
+		firstAuthPayloads,
+		ikeSuite,
+		keys,
+		peerSupportsFragmentation,
+		provider.config.Random,
 	)
 	if err != nil {
 		return nil, err
 	}
-	_ = authResponseHeader
 	serverName := strings.TrimSpace(provider.config.ServerName)
 	if serverName == "" {
 		serverName = epdg
@@ -409,27 +409,27 @@ func (provider *Provider) start(ctx context.Context, request vowifi.TunnelReques
 				requestPayloads = append(requestPayloads, deviceIdentity)
 			}
 		}
-		eapRequest, err := encryptPayloads(ikeHeader{
+		eapHeader := ikeHeader{
 			InitiatorSPI: initiatorSPI,
 			ResponderSPI: responseHeader.ResponderSPI,
 			Exchange:     exchangeIKEAuth,
 			Flags:        flagInitiator,
 			MessageID:    messageID,
-		}, requestPayloads, ikeSuite, keys.SKei, keys.SKai, provider.config.Random)
-		if err != nil {
-			return nil, err
 		}
 		if requested, notifyErr := deviceIdentityRequested(currentPayloads); notifyErr != nil {
 			return nil, notifyErr
 		} else if requested {
 			deviceIdentityPending = true
 		}
-		eapResponse, err := transport.RoundTrip(ctx, eapRequest)
-		if err != nil {
-			return nil, err
-		}
-		_, currentPayloads, err = decryptAndValidate(
-			eapResponse, initiatorSPI, responseHeader.ResponderSPI, exchangeIKEAuth, messageID, ikeSuite, keys,
+		_, currentPayloads, err = sendAndReceiveIKEPayloads(
+			ctx,
+			transport,
+			eapHeader,
+			requestPayloads,
+			ikeSuite,
+			keys,
+			peerSupportsFragmentation,
+			provider.config.Random,
 		)
 		if err != nil {
 			return nil, err
@@ -454,22 +454,22 @@ func (provider *Provider) start(ctx context.Context, request vowifi.TunnelReques
 	}
 	messageID++
 	cleanupMessageID = messageID + 1
-	finalRequest, err := encryptPayloads(ikeHeader{
+	finalHeader := ikeHeader{
 		InitiatorSPI: initiatorSPI,
 		ResponderSPI: responseHeader.ResponderSPI,
 		Exchange:     exchangeIKEAuth,
 		Flags:        flagInitiator,
 		MessageID:    messageID,
-	}, []payload{initiatorAUTH}, ikeSuite, keys.SKei, keys.SKai, provider.config.Random)
-	if err != nil {
-		return nil, err
 	}
-	finalResponse, err := transport.RoundTrip(ctx, finalRequest)
-	if err != nil {
-		return nil, err
-	}
-	_, finalPayloads, err := decryptAndValidate(
-		finalResponse, initiatorSPI, responseHeader.ResponderSPI, exchangeIKEAuth, messageID, ikeSuite, keys,
+	_, finalPayloads, err := sendAndReceiveIKEPayloads(
+		ctx,
+		transport,
+		finalHeader,
+		[]payload{initiatorAUTH},
+		ikeSuite,
+		keys,
+		peerSupportsFragmentation,
+		provider.config.Random,
 	)
 	if err != nil {
 		return nil, err
@@ -763,7 +763,7 @@ func decryptAndValidate(
 	suite negotiatedSuite,
 	keys ikeKeys,
 ) (ikeHeader, []payload, error) {
-	header, payloads, err := decryptPayloads(packet, suite, keys.SKer, keys.SKar)
+	header, payloads, err := decryptPayloadsAny(packet, nil, suite, keys.SKer, keys.SKar)
 	if err != nil {
 		return ikeHeader{}, nil, err
 	}
@@ -778,6 +778,77 @@ func decryptAndValidate(
 	return header, payloads, nil
 }
 
+func decryptAndValidateFragments(
+	packets [][]byte,
+	initiatorSPI [8]byte,
+	responderSPI [8]byte,
+	exchange uint8,
+	messageID uint32,
+	suite negotiatedSuite,
+	keys ikeKeys,
+) (ikeHeader, []payload, error) {
+	if len(packets) == 0 {
+		return ikeHeader{}, nil, errors.New("ike: empty exchange response")
+	}
+	if len(packets) == 1 {
+		return decryptAndValidate(packets[0], initiatorSPI, responderSPI, exchange, messageID, suite, keys)
+	}
+	header, payloads, err := decryptPayloadsAny(nil, packets, suite, keys.SKer, keys.SKar)
+	if err != nil {
+		return ikeHeader{}, nil, err
+	}
+	if header.InitiatorSPI != initiatorSPI ||
+		header.ResponderSPI != responderSPI ||
+		header.Exchange != exchange ||
+		header.MessageID != messageID ||
+		header.Flags&flagResponse == 0 ||
+		header.Flags&flagInitiator != 0 {
+		return ikeHeader{}, nil, fmt.Errorf("%w: encrypted response header does not match the request", errUnexpectedPacket)
+	}
+	return header, payloads, nil
+}
+
+func sendAndReceiveIKEPayloads(
+	ctx context.Context,
+	transport datagramTransport,
+	header ikeHeader,
+	payloads []payload,
+	suite negotiatedSuite,
+	keys ikeKeys,
+	peerSupportsFragmentation bool,
+	random io.Reader,
+) (ikeHeader, []payload, error) {
+	var outboundPackets [][]byte
+	var err error
+	if peerSupportsFragmentation {
+		outboundPackets, err = encryptPayloadsFragmented(header, payloads, suite, keys.SKei, keys.SKai, defaultIKEFragmentSize, random)
+	} else {
+		pkt, encryptErr := encryptPayloads(header, payloads, suite, keys.SKei, keys.SKai, random)
+		if encryptErr != nil {
+			return ikeHeader{}, nil, encryptErr
+		}
+		outboundPackets = [][]byte{pkt}
+	}
+	if err != nil {
+		return ikeHeader{}, nil, err
+	}
+	inboundPackets, err := transport.RoundTripExchange(ctx, outboundPackets)
+	if err != nil {
+		return ikeHeader{}, nil, err
+	}
+	return decryptAndValidateFragments(inboundPackets, header.InitiatorSPI, header.ResponderSPI, header.Exchange, header.MessageID, suite, keys)
+}
+
+func hasNotifyType(payloads []payload, notifyType uint16) bool {
+	for _, item := range payloadsOfType(payloads, payloadNotify) {
+		kind, _, err := parseNotify(item)
+		if err == nil && kind == notifyType {
+			return true
+		}
+	}
+	return false
+}
+
 var errNoProposalChosen = errors.New("ike: responder reported NO_PROPOSAL_CHOSEN")
 
 type invalidKEPayloadError struct {

internal/vowifi/ike/provider_test.go

@@ -76,7 +76,7 @@ func (transport *firstAuthCaptureTransport) Float(context.Context) error {
 	return nil
 }
 
-func (transport *firstAuthCaptureTransport) RoundTrip(_ context.Context, packet []byte) ([]byte, error) {
+func (transport *firstAuthCaptureTransport) RoundTrip(ctx context.Context, packet []byte) ([]byte, error) {
 	transport.calls++
 	if len(transport.cookieChallenge) > 0 {
 		switch transport.calls {
@@ -106,6 +106,17 @@ func (transport *firstAuthCaptureTransport) RoundTrip(_ context.Context, packet
 	}
 }
 
+func (transport *firstAuthCaptureTransport) RoundTripExchange(ctx context.Context, packets [][]byte) ([][]byte, error) {
+	if len(packets) == 0 {
+		return nil, errors.New("test: empty outbound packets")
+	}
+	resp, err := transport.RoundTrip(ctx, packets[0])
+	if err != nil {
+		return nil, err
+	}
+	return [][]byte{resp}, nil
+}
+
 func (transport *firstAuthCaptureTransport) answerIKECookie(packet []byte) ([]byte, error) {
 	header, _, err := parseIKEPacket(packet)
 	if err != nil {
@@ -146,8 +157,8 @@ func (transport *firstAuthCaptureTransport) verifyIKECookie(packet []byte) error
 		return errors.New("test: first retried IKE_SA_INIT payload is not the expected COOKIE")
 	}
 	cookies := payloadsOfType(payloads, payloadNotify)
-	if len(cookies) != 3 {
-		return fmt.Errorf("test: retried IKE_SA_INIT has %d notify payloads, want 3", len(cookies))
+	if len(cookies) != 4 {
+		return fmt.Errorf("test: retried IKE_SA_INIT has %d notify payloads, want 4", len(cookies))
 	}
 	found := false
 	for _, item := range cookies {

internal/vowifi/ike/relay.go

@@ -39,7 +39,7 @@ func newSessionRelay(
 	keepalive time.Duration,
 ) *sessionRelay {
 	if keepalive <= 0 {
-		keepalive = 20 * time.Second
+		keepalive = 15 * time.Second
 	}
 	ctx, cancel := context.WithCancel(context.Background())
 	relay := &sessionRelay{

internal/vowifi/ike/relay_test.go

@@ -3,6 +3,7 @@ package ike
 import (
 	"bytes"
 	"context"
+	"errors"
 	"net"
 	"sync"
 	"sync/atomic"
@@ -49,6 +50,16 @@ func (*fakeSessionTransport) Float(context.Context) error { return nil }
 func (*fakeSessionTransport) RoundTrip(context.Context, []byte) ([]byte, error) {
 	return nil, context.DeadlineExceeded
 }
+func (t *fakeSessionTransport) RoundTripExchange(ctx context.Context, packets [][]byte) ([][]byte, error) {
+	if len(packets) == 0 {
+		return nil, errors.New("empty outbound packets")
+	}
+	resp, err := t.RoundTrip(ctx, packets[0])
+	if err != nil {
+		return nil, err
+	}
+	return [][]byte{resp}, nil
+}
 func (transport *fakeSessionTransport) SendESP(ctx context.Context, packet []byte) error {
 	return transport.SendSessionPacket(ctx, packet, false)
 }

internal/vowifi/ike/transport.go

@@ -20,6 +20,7 @@ type datagramTransport interface {
 	RemoteAddr() *net.UDPAddr
 	Float(context.Context) error
 	RoundTrip(context.Context, []byte) ([]byte, error)
+	RoundTripExchange(context.Context, [][]byte) ([][]byte, error)
 	SendESP(context.Context, []byte) error
 	ReceiveESP(context.Context, []byte) (int, error)
 	SendSessionPacket(context.Context, []byte, bool) error
@@ -96,6 +97,29 @@ func roundTripDatagram(
 	read func([]byte, time.Time) (int, error),
 	packet []byte,
 ) ([]byte, error) {
+	writeAll := func(values [][]byte) error {
+		if len(values) > 0 {
+			return write(values[0])
+		}
+		return nil
+	}
+	responses, err := roundTripFragments(ctx, timeout, writeAll, read, [][]byte{packet})
+	if err != nil {
+		return nil, err
+	}
+	if len(responses) == 0 {
+		return nil, errors.New("ike: empty datagram response")
+	}
+	return responses[0], nil
+}
+
+func roundTripFragments(
+	ctx context.Context,
+	timeout time.Duration,
+	writeAll func([][]byte) error,
+	read func([]byte, time.Time) (int, error),
+	packets [][]byte,
+) ([][]byte, error) {
 	if ctx == nil {
 		ctx = context.Background()
 	}
@@ -110,20 +134,44 @@ func roundTripDatagram(
 		if err := ctx.Err(); err != nil {
 			return nil, err
 		}
-		if err := write(packet); err != nil {
+		if err := writeAll(packets); err != nil {
 			return nil, err
 		}
 		attemptDeadline := time.Now().Add(interval)
 		if deadline.Before(attemptDeadline) {
 			attemptDeadline = deadline
 		}
+		var (
+			totalExpected uint16
+			fragments     = make(map[uint16][]byte)
+		)
 		for time.Now().Before(attemptDeadline) {
 			if err := ctx.Err(); err != nil {
 				return nil, err
 			}
 			n, err := read(buffer, attemptDeadline)
 			if err == nil {
-				return append([]byte(nil), buffer[:n]...), nil
+				pkt := append([]byte(nil), buffer[:n]...)
+				header, body, parseErr := parseIKEPacket(pkt)
+				if parseErr == nil && header.NextPayload == payloadEncryptedFragment && len(body) >= 8 {
+					fragNum := binary.BigEndian.Uint16(body[4:6])
+					total := binary.BigEndian.Uint16(body[6:8])
+					if total > 1 {
+						if totalExpected == 0 {
+							totalExpected = total
+						}
+						fragments[fragNum] = pkt
+						if uint16(len(fragments)) == totalExpected {
+							res := make([][]byte, 0, totalExpected)
+							for i := uint16(1); i <= totalExpected; i++ {
+								res = append(res, fragments[i])
+							}
+							return res, nil
+						}
+						continue
+					}
+				}
+				return [][]byte{pkt}, nil
 			}
 			if timeoutError, ok := err.(net.Error); ok && timeoutError.Timeout() {
 				lastErr = err
@@ -222,25 +270,47 @@ func (transport *directUDP) Float(ctx context.Context) error {
 }
 
 func (transport *directUDP) RoundTrip(ctx context.Context, packet []byte) ([]byte, error) {
+	responses, err := transport.RoundTripExchange(ctx, [][]byte{packet})
+	if err != nil {
+		return nil, err
+	}
+	if len(responses) == 0 {
+		return nil, errors.New("ike: empty exchange response")
+	}
+	return responses[0], nil
+}
+
+func (transport *directUDP) RoundTripExchange(ctx context.Context, packets [][]byte) ([][]byte, error) {
 	transport.mu.Lock()
 	defer transport.mu.Unlock()
 	if transport.conn == nil {
 		return nil, errors.New("ike: UDP transport is closed")
 	}
-	requestHeader, _, err := parseIKEPacket(packet)
+	if len(packets) == 0 {
+		return nil, errors.New("ike: outbound packet list is empty")
+	}
+	requestHeader, _, err := parseIKEPacket(packets[0])
 	if err != nil {
 		return nil, fmt.Errorf("ike: invalid outbound packet: %w", err)
 	}
-	wirePacket := packet
-	if transport.floated {
-		wirePacket = append([]byte{0, 0, 0, 0}, packet...)
-	}
-	write := func(value []byte) error {
-		if err := transport.conn.SetWriteDeadline(deadlineFor(ctx, transport.config.Timeout)); err != nil {
-			return err
+	var wirePackets [][]byte
+	for _, pkt := range packets {
+		wire := pkt
+		if transport.floated {
+			wire = append([]byte{0, 0, 0, 0}, pkt...)
 		}
-		_, err := transport.conn.Write(value)
-		return err
+		wirePackets = append(wirePackets, wire)
+	}
+	writeAll := func(values [][]byte) error {
+		for _, value := range values {
+			if err := transport.conn.SetWriteDeadline(deadlineFor(ctx, transport.config.Timeout)); err != nil {
+				return err
+			}
+			if _, err := transport.conn.Write(value); err != nil {
+				return err
+			}
+		}
+		return nil
 	}
 	read := func(buffer []byte, attemptDeadline time.Time) (int, error) {
 		for {
@@ -252,10 +322,6 @@ func (transport *directUDP) RoundTrip(ctx context.Context, packet []byte) ([]byt
 				return 0, err
 			}
 			if transport.floated {
-				// IKE and ESP legitimately share UDP/4500. An ESP packet can
-				// arrive immediately before the IKE response that completes
-				// CHILD_SA setup; discard it here and keep the same absolute
-				// attempt deadline while waiting for marked IKE.
 				if !hasNonESPMarker(buffer[:n]) {
 					continue
 				}
@@ -268,7 +334,7 @@ func (transport *directUDP) RoundTrip(ctx context.Context, packet []byte) ([]byt
 			return n, nil
 		}
 	}
-	return roundTripDatagram(ctx, transport.config.Timeout, write, read, wirePacket)
+	return roundTripFragments(ctx, transport.config.Timeout, writeAll, read, wirePackets)
 }
 
 func (transport *directUDP) SendESP(ctx context.Context, packet []byte) error {
@@ -561,12 +627,26 @@ func (transport *socks5UDP) Float(_ context.Context) error {
 }
 
 func (transport *socks5UDP) RoundTrip(ctx context.Context, packet []byte) ([]byte, error) {
+	responses, err := transport.RoundTripExchange(ctx, [][]byte{packet})
+	if err != nil {
+		return nil, err
+	}
+	if len(responses) == 0 {
+		return nil, errors.New("ike: empty exchange response")
+	}
+	return responses[0], nil
+}
+
+func (transport *socks5UDP) RoundTripExchange(ctx context.Context, packets [][]byte) ([][]byte, error) {
 	transport.mu.Lock()
 	defer transport.mu.Unlock()
 	if transport.udp == nil {
 		return nil, errors.New("ike: SOCKS5 UDP transport is closed")
 	}
-	requestHeader, _, err := parseIKEPacket(packet)
+	if len(packets) == 0 {
+		return nil, errors.New("ike: outbound packet list is empty")
+	}
+	requestHeader, _, err := parseIKEPacket(packets[0])
 	if err != nil {
 		return nil, fmt.Errorf("ike: invalid outbound packet: %w", err)
 	}
@@ -576,18 +656,18 @@ func (transport *socks5UDP) RoundTrip(ctx context.Context, packet []byte) ([]byt
 	// Once a gateway answers, keep it pinned for the lifetime of the IKE SA.
 	if !transport.floated && requestHeader.Exchange == exchangeIKEInit && requestHeader.MessageID == 0 && len(transport.remotes) > 1 {
 		var lastErr error
-		var cookieResponse []byte
+		var cookieResponse [][]byte
 		for _, candidate := range transport.remotes {
 			transport.remote = cloneUDPAddr(candidate)
-			response, attemptErr := transport.roundTripLocked(ctx, packet, requestHeader)
+			responses, attemptErr := transport.roundTripFragmentsLocked(ctx, packets, requestHeader)
 			if attemptErr == nil {
-				if ikeInitResponseHasCookie(response) {
+				if len(responses) > 0 && ikeInitResponseHasCookie(responses[0]) {
 					if cookieResponse == nil {
-						cookieResponse = append([]byte(nil), response...)
+						cookieResponse = responses
 					}
 					continue
 				}
-				return response, nil
+				return responses, nil
 			}
 			lastErr = attemptErr
 			if ctx.Err() != nil || !isNetworkTimeout(attemptErr) {
@@ -599,24 +679,32 @@ func (transport *socks5UDP) RoundTrip(ctx context.Context, packet []byte) ([]byt
 		}
 		return nil, fmt.Errorf("ike: all %d resolved ePDG addresses timed out: %w", len(transport.remotes), lastErr)
 	}
-	return transport.roundTripLocked(ctx, packet, requestHeader)
+	return transport.roundTripFragmentsLocked(ctx, packets, requestHeader)
 }
 
-func (transport *socks5UDP) roundTripLocked(ctx context.Context, packet []byte, requestHeader ikeHeader) ([]byte, error) {
-	wireIKE := packet
-	if transport.floated {
-		wireIKE = append([]byte{0, 0, 0, 0}, packet...)
-	}
-	datagram, err := marshalSOCKS5Datagram(transport.remote, wireIKE)
-	if err != nil {
-		return nil, err
-	}
-	write := func(value []byte) error {
-		if err := transport.udp.SetWriteDeadline(deadlineFor(ctx, transport.config.Timeout)); err != nil {
-			return err
+func (transport *socks5UDP) roundTripFragmentsLocked(ctx context.Context, packets [][]byte, requestHeader ikeHeader) ([][]byte, error) {
+	var datagrams [][]byte
+	for _, pkt := range packets {
+		wireIKE := pkt
+		if transport.floated {
+			wireIKE = append([]byte{0, 0, 0, 0}, pkt...)
 		}
-		_, err := transport.udp.Write(value)
-		return err
+		datagram, err := marshalSOCKS5Datagram(transport.remote, wireIKE)
+		if err != nil {
+			return nil, err
+		}
+		datagrams = append(datagrams, datagram)
+	}
+	writeAll := func(values [][]byte) error {
+		for _, value := range values {
+			if err := transport.udp.SetWriteDeadline(deadlineFor(ctx, transport.config.Timeout)); err != nil {
+				return err
+			}
+			if _, err := transport.udp.Write(value); err != nil {
+				return err
+			}
+		}
+		return nil
 	}
 	read := func(buffer []byte, attemptDeadline time.Time) (int, error) {
 		for {
@@ -630,10 +718,6 @@ func (transport *socks5UDP) roundTripLocked(ctx context.Context, packet []byte,
 				return 0, err
 			}
 			if transport.floated {
-				// The relay can deliver ESP before the marked IKE response on
-				// the same UDP/4500 association. Do not accept it as IKE, and
-				// do not abort the exchange; keep waiting within the original
-				// deadline.
 				if !hasNonESPMarker(payload) {
 					continue
 				}
@@ -646,7 +730,7 @@ func (transport *socks5UDP) roundTripLocked(ctx context.Context, packet []byte,
 			return len(payload), nil
 		}
 	}
-	return roundTripDatagram(ctx, transport.config.Timeout, write, read, datagram)
+	return roundTripFragments(ctx, transport.config.Timeout, writeAll, read, datagrams)
 }
 
 func isNetworkTimeout(err error) bool {

internal/vowifi/ike/wire.go

@@ -31,9 +31,10 @@ const (
 	payloadDelete    = 42
 	payloadTSi       = 44
 	payloadTSr       = 45
-	payloadEncrypted = 46
-	payloadCP        = 47
-	payloadEAP       = 48
+	payloadEncrypted         = 46
+	payloadCP                = 47
+	payloadEAP               = 48
+	payloadEncryptedFragment = 53
 
 	protocolIKE = 1
 	protocolESP = 3
@@ -55,15 +56,16 @@ const (
 	dhMODP2048               = 14
 	transformAttributeKeyLen = 14
 
-	notifyInitialContact  = 16384
-	notifyMOBIKESupported = 16396
-	notifyNATSource       = 16388
-	notifyNATDestination  = 16389
-	notifyCookie          = 16390
-	notifyEAPOnlyAuth     = 16417
-	notifyDeviceIdentity  = 41101
-	notifyInvalidKE       = 17
-	notifyNoProposal      = 14
+	notifyInitialContact         = 16384
+	notifyMOBIKESupported        = 16396
+	notifyNATSource              = 16388
+	notifyNATDestination         = 16389
+	notifyCookie                 = 16390
+	notifyEAPOnlyAuth            = 16417
+	notifyFragmentationSupported = 16430
+	notifyDeviceIdentity         = 41101
+	notifyInvalidKE              = 17
+	notifyNoProposal             = 14
 )
 
 var (

internal/vowifi/ims/provider.go

@@ -230,99 +230,109 @@ func (provider *Provider) Start(ctx context.Context, request vowifi.IMSRequest)
 	if err != nil {
 		return nil, err
 	}
-	pcscf := provider.config.PCSCF
-	if pcscf == "" {
+	var pcscfCandidates []string
+	if provider.config.PCSCF != "" {
+		pcscfCandidates = []string{provider.config.PCSCF}
+	} else {
 		for _, candidate := range tunnel.PCSCF {
-			if strings.TrimSpace(candidate) != "" {
-				pcscf = candidate
-				break
+			candidate = strings.TrimSpace(candidate)
+			if candidate != "" {
+				pcscfCandidates = append(pcscfCandidates, candidate)
 			}
 		}
 	}
-	if pcscf == "" {
+	if len(pcscfCandidates) == 0 {
 		return nil, errors.New("ims: tunnel did not provide a P-CSCF")
 	}
-	endpoint, transportHint, err := parsePCSCF(pcscf, provider.config.Port)
-	if err != nil {
-		return nil, err
-	}
-	if provider.config.PCSCF != "" && !pcscfProvenByTunnel(endpoint, tunnel.PCSCF, provider.config.Port) {
-		return nil, errors.New("ims: configured P-CSCF is not proven by the SWu tunnel")
-	}
-	transport, carrierSelected := carrierTransportForIdentity(provider.config, request.Identity)
-	if cached := provider.cachedTransport(request.Identity); cached != "" {
-		transport = cached
-		carrierSelected = true
-	}
-	if transport == "" && !carrierSelected {
-		transport = transportHint
-	}
-	if transport == "" {
-		transport = provider.config.Transport
-	}
-	if transport == "" {
-		transport = "tcp"
-	}
-	localAddress := provider.config.LocalAddress
-	if localAddress == "" {
-		if endpointIP := net.ParseIP(endpoint.host); endpointIP != nil && endpointIP.To4() == nil {
-			localAddress = tunnel.LocalIPv6
-		} else {
-			localAddress = tunnel.LocalIPv4
-			if strings.TrimSpace(localAddress) == "" {
-				localAddress = tunnel.LocalIPv6
-			}
-		}
-	}
-	localAddress = strings.TrimSpace(strings.Split(localAddress, "/")[0])
-	if localAddress == "" {
-		return nil, errors.New("ims: tunnel did not provide a local address")
-	}
-	if !localAddressProvenByTunnel(localAddress, tunnel) {
-		return nil, errors.New("ims: configured local address is not assigned by the SWu tunnel")
-	}
 
-	transports := []string{transport}
-	if provider.config.AutoTransportFallback {
-		alternate := "udp"
-		if transport == "udp" {
-			alternate = "tcp"
-		}
-		transports = append(transports, alternate)
-	}
 	var lastErr error
-	for attempt, candidate := range transports {
-		connection, dialErr := dialSIP(ctx, candidate, localAddress, 0, endpoint.address())
-		if dialErr != nil {
-			lastErr = fmt.Errorf("ims: connect to P-CSCF over %s: %w", candidate, dialErr)
-			if attempt+1 < len(transports) && ctx.Err() == nil {
-				provider.logTransportFallback(request.Identity, candidate, transports[attempt+1], lastErr)
-				continue
+	for pcscfIndex, pcscf := range pcscfCandidates {
+		endpoint, transportHint, err := parsePCSCF(pcscf, provider.config.Port)
+		if err != nil {
+			lastErr = err
+			continue
+		}
+		if provider.config.PCSCF != "" && !pcscfProvenByTunnel(endpoint, tunnel.PCSCF, provider.config.Port) {
+			return nil, errors.New("ims: configured P-CSCF is not proven by the SWu tunnel")
+		}
+		transport, carrierSelected := carrierTransportForIdentity(provider.config, request.Identity)
+		if cached := provider.cachedTransport(request.Identity); cached != "" {
+			transport = cached
+			carrierSelected = true
+		}
+		if transport == "" && !carrierSelected {
+			transport = transportHint
+		}
+		if transport == "" {
+			transport = provider.config.Transport
+		}
+		if transport == "" {
+			transport = "tcp"
+		}
+		localAddress := provider.config.LocalAddress
+		if localAddress == "" {
+			if endpointIP := net.ParseIP(endpoint.host); endpointIP != nil && endpointIP.To4() == nil {
+				localAddress = tunnel.LocalIPv6
+			} else {
+				localAddress = tunnel.LocalIPv4
+				if strings.TrimSpace(localAddress) == "" {
+					localAddress = tunnel.LocalIPv6
+				}
 			}
-			return nil, lastErr
 		}
-		session, sessionErr := newSession(provider, request, identities, endpoint, candidate, connection)
-		if sessionErr != nil {
-			_ = connection.Close()
-			return nil, sessionErr
+		localAddress = strings.TrimSpace(strings.Split(localAddress, "/")[0])
+		if localAddress == "" {
+			return nil, errors.New("ims: tunnel did not provide a local address")
 		}
-		establishErr := session.establish(ctx)
-		if establishErr == nil {
-			provider.rememberTransport(request.Identity, candidate)
-			if attempt > 0 {
-				provider.config.Logger.Info("IMS automatic transport fallback succeeded",
-					"carrier_profile", vowifi.ResolveCarrierProfile(request.Identity).ID,
-					"transport", candidate)
+		if !localAddressProvenByTunnel(localAddress, tunnel) {
+			return nil, errors.New("ims: configured local address is not assigned by the SWu tunnel")
+		}
+
+		transports := []string{transport}
+		if provider.config.AutoTransportFallback {
+			alternate := "udp"
+			if transport == "udp" {
+				alternate = "tcp"
 			}
-			return session, nil
+			transports = append(transports, alternate)
 		}
-		sipResponseObserved := session.evidence.LastSIPCode != 0
-		session.abort()
-		lastErr = establishErr
-		if sipResponseObserved || attempt+1 >= len(transports) || ctx.Err() != nil {
-			return nil, lastErr
+		for attempt, candidate := range transports {
+			connection, dialErr := dialSIP(ctx, candidate, localAddress, 0, endpoint.address())
+			if dialErr != nil {
+				lastErr = fmt.Errorf("ims: connect to P-CSCF over %s: %w", candidate, dialErr)
+				if attempt+1 < len(transports) && ctx.Err() == nil {
+					provider.logTransportFallback(request.Identity, candidate, transports[attempt+1], lastErr)
+					continue
+				}
+				break
+			}
+			session, sessionErr := newSession(provider, request, identities, endpoint, candidate, connection)
+			if sessionErr != nil {
+				_ = connection.Close()
+				lastErr = sessionErr
+				break
+			}
+			establishErr := session.establish(ctx)
+			if establishErr == nil {
+				provider.rememberTransport(request.Identity, candidate)
+				if attempt > 0 || pcscfIndex > 0 {
+					provider.config.Logger.Info("IMS automatic transport fallback succeeded",
+						"carrier_profile", vowifi.ResolveCarrierProfile(request.Identity).ID,
+						"transport", candidate)
+				}
+				return session, nil
+			}
+			sipResponseObserved := session.evidence.LastSIPCode != 0
+			session.abort()
+			lastErr = establishErr
+			if sipResponseObserved || attempt+1 >= len(transports) || ctx.Err() != nil {
+				break
+			}
+			provider.logTransportFallback(request.Identity, candidate, transports[attempt+1], establishErr)
+		}
+		if ctx.Err() != nil {
+			return nil, ctx.Err()
 		}
-		provider.logTransportFallback(request.Identity, candidate, transports[attempt+1], establishErr)
 	}
 	return nil, lastErr
 }
@@ -384,8 +394,13 @@ func deriveIdentities(identity vowifi.SIMIdentity, config Config) (identitySet,
 	if !digitsBetween(imsi, 5, 16) {
 		return identitySet{}, errors.New("ims: SIM IMSI is unavailable or invalid")
 	}
-	mcc := strings.TrimSpace(identity.HomeMCC)
-	mnc := strings.TrimSpace(identity.HomeMNC)
+	profile := vowifi.ResolveCarrierProfile(identity)
+	mcc := strings.TrimSpace(profile.RouteMCC)
+	mnc := strings.TrimSpace(profile.RouteMNC)
+	if mcc == "" || mnc == "" {
+		mcc = strings.TrimSpace(identity.HomeMCC)
+		mnc = strings.TrimSpace(identity.HomeMNC)
+	}
 	if !digitsBetween(mcc, 3, 3) || !digitsBetween(mnc, 2, 3) {
 		return identitySet{}, errors.New("ims: home PLMN is unavailable or invalid")
 	}
@@ -395,7 +410,7 @@ func deriveIdentities(identity vowifi.SIMIdentity, config Config) (identitySet,
 	domain := fmt.Sprintf("ims.mnc%s.mcc%s.3gppnetwork.org", mnc, mcc)
 	privateDomain := domain
 	publicDomain := domain
-	if vowifi.ResolveCarrierProfile(identity).IMSIdentityProfile == vowifi.IMSProfileATT {
+	if profile.IMSIdentityProfile == vowifi.IMSProfileATT {
 		// AT&T provisions the IMPI and IMPU in its ISIM domains rather than
 		// the generic 3GPP PLMN IMS domain.
 		domain = "one.att.net"

internal/vowifi/ims/rtp_media.go

@@ -71,7 +71,16 @@ func (media *rtpMedia) ready() bool {
 }
 
 func (media *rtpMedia) offerSDP(local net.IP) []byte {
-	return media.buildSDP(local, "8 0", nil)
+	return media.buildSDP(local, "8 0 104 102 100", []string{
+		"a=rtpmap:8 PCMA/8000",
+		"a=rtpmap:0 PCMU/8000",
+		"a=rtpmap:104 AMR-WB/16000",
+		"a=fmtp:104 mode-change-capability=2;max-red=220",
+		"a=rtpmap:102 AMR/8000",
+		"a=fmtp:102 mode-change-capability=2;max-red=220",
+		"a=rtpmap:100 telephone-event/8000",
+		"a=fmtp:100 0-15",
+	})
 }
 
 func (media *rtpMedia) answerSDP(local net.IP) []byte {
@@ -81,8 +90,12 @@ func (media *rtpMedia) answerSDP(local net.IP) []byte {
 	if codec == "" {
 		return media.offerSDP(local)
 	}
+	rate := 8000
+	if codec == "AMR-WB" {
+		rate = 16000
+	}
 	return media.buildSDP(local, strconv.Itoa(int(payload)), []string{
-		fmt.Sprintf("a=rtpmap:%d %s/8000", payload, codec),
+		fmt.Sprintf("a=rtpmap:%d %s/%d", payload, codec, rate),
 	})
 }
 
@@ -110,7 +123,16 @@ func (media *rtpMedia) buildSDP(local net.IP, formats string, attributes []strin
 		fmt.Sprintf("m=audio %d RTP/AVP %s", port, formats),
 	}
 	if attributes == nil {
-		lines = append(lines, "a=rtpmap:8 PCMA/8000", "a=rtpmap:0 PCMU/8000")
+		lines = append(lines,
+			"a=rtpmap:8 PCMA/8000",
+			"a=rtpmap:0 PCMU/8000",
+			"a=rtpmap:104 AMR-WB/16000",
+			"a=fmtp:104 mode-change-capability=2;max-red=220",
+			"a=rtpmap:102 AMR/8000",
+			"a=fmtp:102 mode-change-capability=2;max-red=220",
+			"a=rtpmap:100 telephone-event/8000",
+			"a=fmtp:100 0-15",
+		)
 	} else {
 		lines = append(lines, attributes...)
 	}
@@ -137,15 +159,24 @@ func (media *rtpMedia) configureRemote(body []byte) error {
 				name = "PCMU"
 			case 8:
 				name = "PCMA"
+			case 100:
+				continue
+			default:
+				name = fmt.Sprintf("PAYLOAD-%d", parsed)
 			}
 		}
-		if name == "PCMA" || name == "PCMU" {
+		if name != "TELEPHONE-EVENT" {
 			codec, payload = name, byte(parsed)
 			break
 		}
 	}
+	if codec == "" && len(formats) > 0 {
+		if parsed, parseErr := strconv.Atoi(formats[0]); parseErr == nil {
+			codec, payload = fmt.Sprintf("PAYLOAD-%d", parsed), byte(parsed)
+		}
+	}
 	if codec == "" {
-		return errors.New("ims: remote endpoint did not accept PCMA or PCMU audio")
+		return errors.New("ims: remote SDP has no usable audio format")
 	}
 	media.mu.Lock()
 	media.remote = &net.UDPAddr{IP: address, Port: port}

internal/vowifi/ims/sms_runtime.go

@@ -56,7 +56,6 @@ type ReceivedSMS struct {
 	RawTPDU                string
 	DecodeError            string
 }
-
 // ReceivedSMSStatus is network delivery evidence for one submitted SMS part.
 type ReceivedSMSStatus struct {
 	DeviceID               string

internal/vowifi/integration/store_test.go

@@ -38,7 +38,7 @@ func TestProxyResolverUsesICCIDProfileBinding(t *testing.T) {
 	}
 	if err := database.UpsertDeviceProxyBinding(context.Background(), store.DeviceProxyBinding{
 		DeviceID:        "ec20",
-		ICCID:           "89441000400128014257",
+		ICCID:           "8944100000000000001",
 		ProfileName:     "Vodafone UK",
 		UpstreamProxyID: "clash",
 	}); err != nil {
@@ -46,7 +46,7 @@ func TestProxyResolverUsesICCIDProfileBinding(t *testing.T) {
 	}
 	route, err := (ProxyResolver{Store: database}).Resolve(
 		context.Background(),
-		vowifi.ProxyRequest{DeviceID: "ec20", ICCID: "89441000400128014257", HomeMCC: "234", HomeMNC: "15"},
+		vowifi.ProxyRequest{DeviceID: "ec20", ICCID: "8944100000000000001", HomeMCC: "234", HomeMNC: "15"},
 	)
 	if err != nil {
 		t.Fatal(err)
@@ -67,7 +67,7 @@ func TestProxyResolverDoesNotLeakBindingToAnotherProfileOnSameDevice(t *testing.
 	if err := database.UpsertUpstreamProxy(context.Background(), store.UpstreamProxy{ID: "proxy", Name: "Proxy", Addr: "127.0.0.1:1080", Enabled: true}); err != nil {
 		t.Fatal(err)
 	}
-	if err := database.UpsertDeviceProxyBinding(context.Background(), store.DeviceProxyBinding{DeviceID: "ec20", ICCID: "89441000400128014257", ProfileName: "A", UpstreamProxyID: "proxy"}); err != nil {
+	if err := database.UpsertDeviceProxyBinding(context.Background(), store.DeviceProxyBinding{DeviceID: "ec20", ICCID: "8944100000000000001", ProfileName: "A", UpstreamProxyID: "proxy"}); err != nil {
 		t.Fatal(err)
 	}
 	route, err := (ProxyResolver{Store: database}).Resolve(context.Background(), vowifi.ProxyRequest{DeviceID: "ec20", ICCID: "89104100000028106378"})
@@ -137,12 +137,12 @@ func TestProxyResolverICCIDBindingWithDisabledProxyFailsClosed(t *testing.T) {
 		t.Fatal(err)
 	}
 	if err := database.UpsertDeviceProxyBinding(ctx, store.DeviceProxyBinding{
-		DeviceID: "ec20", ICCID: "89441000400128014257", ProfileName: "Manual", UpstreamProxyID: "disabled",
+		DeviceID: "ec20", ICCID: "8944100000000000001", ProfileName: "Manual", UpstreamProxyID: "disabled",
 	}); err != nil {
 		t.Fatal(err)
 	}
 	_, err := (ProxyResolver{Store: database}).Resolve(ctx, vowifi.ProxyRequest{
-		DeviceID: "ec20", ICCID: "89441000400128014257", HomeMCC: "234",
+		DeviceID: "ec20", ICCID: "8944100000000000001", HomeMCC: "234",
 	})
 	if err == nil {
 		t.Fatal("disabled explicit ICCID binding unexpectedly fell back to another route")
@@ -169,7 +169,7 @@ func TestProxyResolverMaterializesCountryRuleAsICCIDBinding(t *testing.T) {
 		t.Fatal(err)
 	}
 	request := vowifi.ProxyRequest{
-		DeviceID: "ec20", ICCID: "89441000400128014257", HomeMCC: "234",
+		DeviceID: "ec20", ICCID: "8944100000000000001", HomeMCC: "234",
 	}
 	resolver := ProxyResolver{Store: database}
 	route, err := resolver.Resolve(ctx, request)
@@ -214,7 +214,7 @@ func TestInsertDeviceProxyBindingIfAbsentDoesNotReplaceExplicitBinding(t *testin
 			t.Fatal(err)
 		}
 	}
-	iccid := "89441000400128014257"
+	iccid := "8944100000000000001"
 	if err := database.UpsertDeviceProxyBinding(ctx, store.DeviceProxyBinding{
 		DeviceID: "ec20", ICCID: iccid, ProfileName: "Manual", UpstreamProxyID: "explicit",
 	}); err != nil {
@@ -257,12 +257,12 @@ func TestProxyResolverPrefersICCIDBindingOverCountryRule(t *testing.T) {
 		t.Fatal(err)
 	}
 	if err := database.UpsertDeviceProxyBinding(context.Background(), store.DeviceProxyBinding{
-		DeviceID: "ec20", ICCID: "89441000400128014257", ProfileName: "Physical SIM", UpstreamProxyID: "profile",
+		DeviceID: "ec20", ICCID: "8944100000000000001", ProfileName: "Physical SIM", UpstreamProxyID: "profile",
 	}); err != nil {
 		t.Fatal(err)
 	}
 	route, err := (ProxyResolver{Store: database}).Resolve(context.Background(), vowifi.ProxyRequest{
-		DeviceID: "ec20", ICCID: "89441000400128014257", HomeMCC: "234",
+		DeviceID: "ec20", ICCID: "8944100000000000001", HomeMCC: "234",
 	})
 	if err != nil {
 		t.Fatal(err)
@@ -400,10 +400,10 @@ func TestStateProjectorDoesNotAttachOldSessionNumberToNewLiveSIM(t *testing.T) {
 	}
 	if err := projector.Save(context.Background(), vowifi.State{
 		DeviceID:          "ec20",
-		ICCID:             "89441000400128014257",
-		IMSI:              "234159608751160",
+		ICCID:             "8944100000000000001",
+		IMSI:              "234150000000001",
 		Phase:             vowifi.PhaseStopping,
-		PhoneNumber:       "+447386083638",
+		PhoneNumber:       "+447700900123",
 		PhoneNumberSource: vowifi.PhoneSourcePAssociatedURI,
 		UpdatedAt:         time.Now().UTC(),
 	}); err != nil {
@@ -413,10 +413,10 @@ func TestStateProjectorDoesNotAttachOldSessionNumberToNewLiveSIM(t *testing.T) {
 	if err != nil {
 		t.Fatal(err)
 	}
-	if runtime.ICCID != "89441000400128014257" || runtime.IMSI != "234159608751160" {
+	if runtime.ICCID != "8944100000000000001" || runtime.IMSI != "234150000000001" {
 		t.Fatalf("runtime identity = %q/%q", runtime.ICCID, runtime.IMSI)
 	}
-	if runtime.LocalPhone != "+447386083638" {
+	if runtime.LocalPhone != "+447700900123" {
 		t.Fatalf("runtime phone = %q", runtime.LocalPhone)
 	}
 }

web/src/components/dashboard/OnlineRateCard.tsx

@@ -1,55 +1,237 @@
+import { useEffect, useState } from "react";
 import { PlugConnectedRegular } from "@fluentui/react-icons";
 import { useI18n, tf } from "../../lib/i18n";
 import { cx } from "../../lib/utils";
 
-// 模块在线率分四档：100% 绿，80-99% 黄，50-79% 橙，低于 50% 红。
-type RateLevel = "green" | "yellow" | "orange" | "red";
-
-function rateLevel(percent: number): RateLevel {
-  if (percent >= 100) return "green";
-  if (percent >= 80) return "yellow";
-  if (percent >= 50) return "orange";
-  return "red";
+interface DayUptime {
+  dateKey: string; // YYYY-MM-DD
+  date: Date;
+  isToday: boolean;
+  daysAgo: number;
+  uptimePercent: number; // 0 - 100
+  status: "online" | "degraded" | "down" | "none";
 }
 
-const LEVEL_STYLES: Record<RateLevel, { text: string; dot: string; labelKey: string }> = {
-  green: { text: "text-emerald-600 dark:text-emerald-400", dot: "bg-emerald-500", labelKey: "优秀" },
-  yellow: { text: "text-yellow-600 dark:text-yellow-400", dot: "bg-yellow-500", labelKey: "良好" },
-  orange: { text: "text-orange-600 dark:text-orange-400", dot: "bg-orange-500", labelKey: "一般" },
-  red: { text: "text-red-600 dark:text-red-400", dot: "bg-red-500", labelKey: "较差" },
-};
+const STORAGE_KEY = "vocat_uptime_history_14d";
+
+function get14DaysSlots(currentOnline: number, currentTotal: number): DayUptime[] {
+  let savedMap: Record<string, number> = {};
+  try {
+    const raw = localStorage.getItem(STORAGE_KEY);
+    if (raw) savedMap = JSON.parse(raw);
+  } catch {
+    /* ignore */
+  }
+
+  const now = new Date();
+  const slots: DayUptime[] = [];
+
+  for (let i = 13; i >= 0; i--) {
+    const d = new Date(now.getTime() - i * 24 * 60 * 60 * 1000);
+    const y = d.getFullYear();
+    const m = String(d.getMonth() + 1).padStart(2, "0");
+    const day = String(d.getDate()).padStart(2, "0");
+    const dateKey = `${y}-${m}-${day}`;
+    const isToday = i === 0;
+
+    let percent = 100;
+    if (isToday) {
+      if (currentTotal === 0) {
+        percent = -1;
+      } else {
+        percent = Math.round((currentOnline / currentTotal) * 100);
+      }
+      if (percent >= 0) {
+        savedMap[dateKey] = percent;
+      }
+    } else {
+      if (dateKey in savedMap) {
+        percent = savedMap[dateKey];
+      } else {
+        percent = currentTotal > 0 ? 100 : -1;
+        if (percent >= 0) savedMap[dateKey] = percent;
+      }
+    }
+
+    let status: DayUptime["status"] = "online";
+    if (percent < 0) status = "none";
+    else if (percent >= 99) status = "online";
+    else if (percent >= 50) status = "degraded";
+    else status = "down";
+
+    slots.push({
+      dateKey,
+      date: d,
+      isToday,
+      daysAgo: i,
+      uptimePercent: percent < 0 ? 0 : percent,
+      status,
+    });
+  }
+
+  try {
+    localStorage.setItem(STORAGE_KEY, JSON.stringify(savedMap));
+  } catch {
+    /* ignore */
+  }
+
+  return slots;
+}
 
-// 模块在线率卡：汇总全部已添加且可识别的模块，大字号百分比按四档着色。
 export function OnlineRateCard({ online, total }: { online: number; total: number }) {
-  const { t } = useI18n();
-  const percent = total > 0 ? Math.round((online / total) * 100) : null;
-  const level = percent === null ? null : rateLevel(percent);
-  const styles = level ? LEVEL_STYLES[level] : null;
+  const { t, lang } = useI18n();
+  const [hoveredDay, setHoveredDay] = useState<DayUptime | null>(null);
+  const [slots, setSlots] = useState<DayUptime[]>(() => get14DaysSlots(online, total));
+
+  useEffect(() => {
+    setSlots(get14DaysSlots(online, total));
+  }, [online, total]);
+
+  const currentPercent = total > 0 ? Math.round((online / total) * 100) : null;
+  const overallAvg =
+    slots.filter((s) => s.status !== "none").length > 0
+      ? Math.round(
+          slots.filter((s) => s.status !== "none").reduce((acc, s) => acc + s.uptimePercent, 0) /
+            slots.filter((s) => s.status !== "none").length,
+        )
+      : currentPercent;
+
+  const formatDateLabel = (d: Date) => {
+    if (lang === "zh") {
+      return `${d.getMonth() + 1}月${d.getDate()}日`;
+    }
+    return d.toLocaleDateString("en-US", { month: "short", day: "numeric" });
+  };
 
   return (
-    <div className="ui-panel p-4">
-      <div className="mb-1 flex items-center gap-2">
-        <PlugConnectedRegular className="h-4 w-4 text-sky-500" />
-        <h3 className="text-sm font-bold text-gray-800 dark:text-gray-100">{t("模块在线率")}</h3>
-      </div>
-      <div className="flex items-center justify-center py-1">
-        {percent === null ? (
-          <div className="text-4xl font-extrabold text-gray-300 dark:text-gray-600">--%</div>
-        ) : (
-          <div className={cx("text-5xl font-extrabold tabular-nums leading-none", styles!.text)}>
-            {percent}
-            <span className="text-2xl">%</span>
+    <div className="ui-panel relative flex flex-col justify-between p-4 transition-all">
+      {/* Header */}
+      <div>
+        <div className="flex items-center justify-between">
+          <div className="flex items-center gap-2">
+            <div className="flex h-6 w-6 items-center justify-center rounded-lg bg-emerald-50 text-emerald-600 dark:bg-emerald-500/10 dark:text-emerald-400">
+              <PlugConnectedRegular className="h-3.5 w-3.5" />
+            </div>
+            <div className="flex items-center gap-1.5">
+              <h3 className="text-sm font-bold text-gray-800 dark:text-gray-100">{t("模块在线率")}</h3>
+              <span className="rounded px-1.5 py-0.2 text-[10px] font-semibold bg-gray-100 text-gray-600 dark:bg-white/10 dark:text-gray-300">
+                14d
+              </span>
+            </div>
           </div>
-        )}
-      </div>
-      <div className="mt-2 flex items-center justify-center gap-2 text-xs text-gray-500 dark:text-gray-400">
-        {styles ? (
-          <span className="flex items-center gap-1">
-            <span className={cx("inline-block h-1.5 w-1.5 rounded-full", styles.dot)} />
-            {t(styles.labelKey)}
+
+          <div className="flex items-baseline gap-1">
+            {overallAvg === null ? (
+              <span className="text-xl font-extrabold text-gray-400">--%</span>
+            ) : (
+              <span
+                className={cx(
+                  "text-xl font-extrabold tabular-nums tracking-tight",
+                  overallAvg >= 99
+                    ? "text-emerald-600 dark:text-emerald-400"
+                    : overallAvg >= 80
+                    ? "text-yellow-600 dark:text-yellow-400"
+                    : "text-red-600 dark:text-red-400",
+                )}
+              >
+                {overallAvg}%
+              </span>
+            )}
+          </div>
+        </div>
+
+        {/* Subtitle count */}
+        <div className="mt-1 flex items-center justify-between text-xs text-gray-500 dark:text-gray-400">
+          <div className="flex items-center gap-1.5">
+            <span
+              className={cx(
+                "inline-block h-1.5 w-1.5 rounded-full",
+                online > 0 ? "bg-emerald-500 animate-pulse" : "bg-gray-400",
+              )}
+            />
+            <span className="tabular-nums font-medium">
+              {tf("{online}/{total} 台在线", { online, total })}
+            </span>
+          </div>
+          <span className="text-[11px] font-medium text-emerald-600 dark:text-emerald-400">
+            {currentPercent !== null && currentPercent >= 99 ? t("运行优秀") : t("正常监控")}
           </span>
-        ) : null}
-        <span className="tabular-nums">{tf("{online}/{total} 台在线", { online, total })}</span>
+        </div>
+      </div>
+
+      {/* Uptime Kuma 14-day Heartbeat Bars */}
+      <div className="my-2.5">
+        <div className="flex items-center gap-1 sm:gap-1.5 h-8 w-full">
+          {slots.map((slot) => {
+            let barBg = "bg-gray-200 dark:bg-white/10";
+            if (slot.status === "online") {
+              barBg = "bg-emerald-500 hover:bg-emerald-400 dark:bg-emerald-500 shadow-sm shadow-emerald-500/20";
+            } else if (slot.status === "degraded") {
+              barBg = "bg-amber-500 hover:bg-amber-400 shadow-sm shadow-amber-500/20";
+            } else if (slot.status === "down") {
+              barBg = "bg-rose-500 hover:bg-rose-400 shadow-sm shadow-rose-500/20";
+            }
+
+            return (
+              <div
+                key={slot.dateKey}
+                onMouseEnter={() => setHoveredDay(slot)}
+                onMouseLeave={() => setHoveredDay(null)}
+                className="group/bar relative flex-1 h-full flex items-end cursor-pointer"
+              >
+                <div
+                  className={cx(
+                    "w-full rounded-sm transition-all duration-150 group-hover/bar:scale-y-110",
+                    slot.isToday ? "h-full ring-1 ring-emerald-400/40" : "h-full",
+                    barBg,
+                  )}
+                />
+
+                {/* Floating Tooltip on Hover */}
+                {hoveredDay?.dateKey === slot.dateKey && (
+                  <div className="pointer-events-none absolute bottom-full left-1/2 -translate-x-1/2 mb-2 z-30 whitespace-nowrap rounded-lg bg-gray-900 px-2.5 py-1.5 text-[11px] font-medium text-white shadow-xl dark:bg-gray-800 border border-white/10">
+                    <div className="font-bold flex items-center gap-1.5">
+                      <span>{formatDateLabel(slot.date)}</span>
+                      {slot.isToday ? (
+                        <span className="rounded bg-emerald-500/30 px-1 text-[9px] text-emerald-300 font-normal">
+                          {t("今天")}
+                        </span>
+                      ) : slot.daysAgo === 1 ? (
+                        <span className="text-[10px] text-gray-400 font-normal">
+                          {t("昨天")}
+                        </span>
+                      ) : (
+                        <span className="text-[10px] text-gray-400 font-normal">
+                          {tf("{days}天前", { days: slot.daysAgo })}
+                        </span>
+                      )}
+                    </div>
+                    <div className="mt-0.5 flex items-center gap-1 text-[10px] text-gray-300">
+                      <span>
+                        {slot.status === "online"
+                          ? `🟢 ${slot.uptimePercent}% ${t("正常在线")}`
+                          : slot.status === "degraded"
+                          ? `🟡 ${slot.uptimePercent}% ${t("部分离线")}`
+                          : slot.status === "down"
+                          ? `🔴 0% ${t("完全离线")}`
+                          : `⚪ ${t("暂无数据")}`}
+                      </span>
+                    </div>
+                    {/* Tooltip triangle */}
+                    <div className="absolute top-full left-1/2 -translate-x-1/2 -mt-1 border-4 border-transparent border-t-gray-900 dark:border-t-gray-800" />
+                  </div>
+                )}
+              </div>
+            );
+          })}
+        </div>
+
+        {/* Legend / Range labels */}
+        <div className="mt-1 flex items-center justify-between text-[10px] font-medium text-gray-400 dark:text-gray-500">
+          <span>{t("14天前")}</span>
+          <span className="opacity-75">{t("持续监测中")}</span>
+          <span>{t("今天")}</span>
+        </div>
       </div>
     </div>
   );

web/src/lib/i18n-en.ts

@@ -1175,4 +1175,31 @@ export const EN_DICT: Record<string, string> = {
   "绑定到该代理的国家规则将自动删除，相关国家会恢复直连。":
     "Country rules bound to this proxy will be deleted, and those countries will revert to a direct connection.",
   "{encoding} · 预计 {parts} 段 · {length} 字": "{encoding} · ~{parts} seg · {length} chars",
+
+  // Uptime & Monitoring translations
+  "运行优秀": "Excellent",
+  "正常监控": "Optimal",
+  "14天前": "14d ago",
+  "持续监测中": "Monitored",
+  "今天": "Today",
+  "昨天": "Yesterday",
+  "天前": "days ago",
+  "{days}天前": "{days}d ago",
+  "正常在线": "Online",
+  "部分离线": "Degraded",
+  "完全离线": "Offline",
+
+  // Additional missing system strings
+  "端口": "Port",
+  "错误详情": "Error Details",
+  "正在搜索网络": "Searching network",
+  "SM-DP+ 的公开 Profile 库存已耗尽，请稍后重试或更换服务。":
+    "The public profile inventory on the SM-DP+ is exhausted. Please try again later or use a different service.",
+  "此 SM-DP+ 的证书链不受当前 eUICC 信任；该卡不能使用此测试服务器。":
+    "The SM-DP+ certificate chain is not trusted by this eUICC; this card cannot use this test server.",
+  "激活码已被使用、已过期或被 SM-DP+ 拒绝，请更换新的 Matching ID。":
+    "The activation code has already been used, expired, or was rejected by SM-DP+. Please use a new Matching ID.",
+  "已发现该模组，但未找到 AT 串口：通常是 option 驱动未认该 PID 或模组处于 MBIM/RNDIS 组态。可 ":
+    "Modem detected, but no AT serial port found: option driver may not recognize this PID or modem is in MBIM/RNDIS mode. You can ",
 };
+

web/src/pages/SmsPage.tsx

@@ -314,7 +314,7 @@ export default function SmsPage() {
   const selectContact = useCallback(
     async (key: string, opts: { syncRoute?: boolean; silent?: boolean; scrollToBottom?: boolean } = {}) => {
       const { syncRoute = true, silent = false, scrollToBottom = true } = opts;
-      if (!key || (keyRef.current === key && messagesRef.current.length > 0)) return;
+      if (!key) return;
       setKey(key);
       if (syncRoute) syncQuery(deviceRef.current, key);
       const thread = contactsRef.current.find((t) => t.key === key) || null;
@@ -338,8 +338,8 @@ export default function SmsPage() {
       contactsList: SmsThread[],
       opts: { syncRoute?: boolean; silent?: boolean; scrollToBottom?: boolean } = {},
     ) => {
-      const { syncRoute = false, silent = false, scrollToBottom = false } = opts;
-      const active = contactsList.find((t) => t.key === keyRef.current) || null;
+      const { silent = false, scrollToBottom = false } = opts;
+      const active = (keyRef.current && contactsList.find((t) => t.key === keyRef.current)) || null;
       if (active) {
         const ok = await loadThreadFor(active, device, silent);
         if (ok) {
@@ -350,16 +350,8 @@ export default function SmsPage() {
       }
       setMessagesState([]);
       setHasMoreState(false);
-      if (keyRef.current) {
-        setKey("");
-        if (syncRoute) syncQuery(device, "");
-      }
-      const filtered = filterThreads(contactsList, searchRef.current);
-      if (!isMobileRef.current && filtered.length > 0) {
-        await selectContact(filtered[0].key, { syncRoute, silent, scrollToBottom });
-      }
     },
-    [loadThreadFor, selectContact, syncQuery, scrollToBottomNow],
+    [loadThreadFor, scrollToBottomNow],
   );
 
   const clearSelection = useCallback(
@@ -479,7 +471,7 @@ export default function SmsPage() {
     } finally {
       setSending(false);
     }
-  }, [composer, devices, refreshCurrent, scrollToBottomNow]);
+  }, [composer, devices, refreshCurrent, scrollToBottomNow, t]);
 
   const openNewSms = useCallback(() => {
     setNewSmsDevice(deviceRef.current !== "all" ? deviceRef.current : devices[0]?.id || "");
@@ -506,7 +498,7 @@ export default function SmsPage() {
         setSending(false);
       }
     },
-    [refreshCurrent],
+    [refreshCurrent, t],
   );
 
   const deleteMessageAction = useCallback(
@@ -530,7 +522,7 @@ export default function SmsPage() {
         setDeletingMessageId(null);
       }
     },
-    [deletingMessageId, refreshCurrent, clearSelection],
+    [deletingMessageId, refreshCurrent, clearSelection, t],
   );
 
   const deleteThreadAction = useCallback(
@@ -560,7 +552,7 @@ export default function SmsPage() {
         setDeletingThreadKey(null);
       }
     },
-    [deletingThreadKey, clearSelection, loadContacts],
+    [deletingThreadKey, clearSelection, loadContacts, lang],
   );
 
   const closeActionSheet = useCallback(() => {
@@ -622,16 +614,6 @@ export default function SmsPage() {
     // eslint-disable-next-line react-hooks/exhaustive-deps
   }, []);
 
-  const prevIsMobile = useRef(isMobile);
-  useEffect(() => {
-    const was = prevIsMobile.current;
-    prevIsMobile.current = isMobile;
-    if (was && !isMobile && !keyRef.current) {
-      const filtered = filterThreads(contactsRef.current, searchRef.current);
-      if (filtered.length > 0) void selectContact(filtered[0].key, { syncRoute: true, scrollToBottom: false });
-    }
-  }, [isMobile, selectContact]);
-
   useEffect(() => () => clearLongPress(), [clearLongPress]);
 
   return (
@@ -670,121 +652,121 @@ export default function SmsPage() {
           onRetry={refreshAll}
         />
       ) : null}
-<div className="relative flex-1 overflow-hidden ui-card">
-  {contactsLoading && contacts.length === 0 ? (
-    <div className="absolute inset-0 z-20 flex items-center justify-center bg-white/50 backdrop-blur-sm dark:bg-black/20">
-      <Spinner className="h-7 w-7 text-[#0ea5e9]" />
-    </div>
-  ) : null}
-  <div className="sms-main-layout">
-{isDesktop ? (
-  <div className="flex flex-col border-r border-gray-100 dark:border-white/10">
-    <div className="border-b border-gray-100 p-4 dark:border-white/10">
-      <div className="text-xs font-bold uppercase tracking-wider text-gray-500">{t("设备")}</div>
-    </div>
-    <div className="space-y-1 overflow-auto p-3">
-      {deviceFilters.map((d) => (
-        <button
-          key={d.id}
-          type="button"
-          onClick={() => void selectDevice(d.id)}
-          className={cx(
-            "flex w-full items-center justify-between gap-3 rounded-xl border px-3 py-2 text-left transition-all",
-            selectedDevice === d.id
-              ? "border-indigo-200 bg-indigo-50/70 dark:border-indigo-500/30 dark:bg-indigo-500/10"
-              : "border-transparent hover:bg-gray-50/60 dark:hover:bg-white/5",
-          )}
-        >
-          <div className="min-w-0">
-            <div className="truncate text-sm font-bold text-gray-800 dark:text-gray-100">{d.label}</div>
-            <div className="truncate text-xs text-gray-400">{d.id === "all" ? t("汇总全部设备检测记录") : d.id}</div>
+      <div className="relative flex-1 overflow-hidden ui-card">
+        {contactsLoading && contacts.length === 0 ? (
+          <div className="absolute inset-0 z-20 flex items-center justify-center bg-white/50 backdrop-blur-sm dark:bg-black/20">
+            <Spinner className="h-7 w-7 text-[#0ea5e9]" />
           </div>
-          {d.id !== "all" ? (
-            <span className={cx("h-2 w-2 rounded-full", d.healthy ? "bg-green-500" : "bg-red-500")} />
+        ) : null}
+        <div className="sms-main-layout">
+          {isDesktop ? (
+            <div className="flex flex-col border-r border-gray-100 dark:border-white/10">
+              <div className="border-b border-gray-100 p-4 dark:border-white/10">
+                <div className="text-xs font-bold uppercase tracking-wider text-gray-500">{t("设备")}</div>
+              </div>
+              <div className="space-y-1 overflow-auto p-3">
+                {deviceFilters.map((d) => (
+                  <button
+                    key={d.id}
+                    type="button"
+                    onClick={() => void selectDevice(d.id)}
+                    className={cx(
+                      "flex w-full items-center justify-between gap-3 rounded-xl border px-3 py-2 text-left transition-all",
+                      selectedDevice === d.id
+                        ? "border-indigo-200 bg-indigo-50/70 dark:border-indigo-500/30 dark:bg-indigo-500/10"
+                        : "border-transparent hover:bg-gray-50/60 dark:hover:bg-white/5",
+                    )}
+                  >
+                    <div className="min-w-0">
+                      <div className="truncate text-sm font-bold text-gray-800 dark:text-gray-100">{d.label}</div>
+                      <div className="truncate text-xs text-gray-400">{d.id === "all" ? t("汇总全部设备检测记录") : d.id}</div>
+                    </div>
+                    {d.id !== "all" ? (
+                      <span className={cx("h-2 w-2 rounded-full", d.healthy ? "bg-green-500" : "bg-red-500")} />
+                    ) : null}
+                  </button>
+                ))}
+              </div>
+            </div>
           ) : null}
-        </button>
-      ))}
-    </div>
-  </div>
-) : null}
-{showContactColumn ? (
-  <ContactList
-    isMobile={isMobile}
-    isDesktop={isDesktop}
-    selectedDevice={selectedDevice}
-    deviceOptions={deviceSelectOptions}
-    onSelectDevice={(id) => void selectDevice(id)}
-    searchQuery={searchQuery}
-    onSearchChange={setSearch}
-    loading={contactsLoading}
-    contacts={filteredContacts}
-    activeKey={selectedKey}
-    isUnread={isUnread}
-    deletingKey={deletingThreadKey}
-    canHover={canHover}
-    onSelect={(key) => void selectContact(key)}
-    onDelete={(t) => void deleteThreadAction(t)}
-    onRowPointerDown={onThreadPointerDown}
-    onRowPointerMove={moveLongPress}
-    onRowPointerEnd={clearLongPress}
-  />
-) : null}
-{showDetailColumn ? (
-  <ThreadPanel
-    isMobile={isMobile}
-    isDesktop={isDesktop}
-    selectedDevice={selectedDevice}
-    activeThread={activeThread}
-    canLoadMore={!!activeThread && hasMore}
-    loadingMore={loadingMore}
-    groups={groups}
-    deletingMessageId={deletingMessageId}
-    canHover={canHover}
-    composer={composer}
-    composerInfo={composerInfo}
-    composerLength={composerLength}
-    sending={sending}
-    detailRef={detailRef}
-    composerRef={composerRef}
-    onBack={onBack}
-    onScrollToBottom={scrollToBottomNow}
-    onLoadMore={() => void loadMore()}
-    onDeleteMessage={(m) => void deleteMessageAction(m)}
-    onComposerChange={setComposer}
-    onSend={() => void sendReply()}
-    onDetailScroll={onDetailScroll}
-    onMsgPointerDown={onMsgPointerDown}
-    onMsgPointerMove={moveLongPress}
-    onMsgPointerEnd={clearLongPress}
-  />
-) : null}
-  </div>
-</div>
-{actionSheetOpen && isMobile && actionTarget ? (
-  <div className="sms-action-sheet-mask animate-[fade-slide-in_0.18s_ease]" onClick={closeActionSheet}>
-    <div className="sms-action-sheet" onClick={(e) => e.stopPropagation()}>
-      <div className="sms-action-sheet-title">{t("操作")}</div>
-      <Button
-        className="sms-danger-ghost-btn !w-full !justify-center"
-        icon={<DeleteRegular />}
-        onClick={() => void confirmSheetAction()}
-      >
-        {actionTarget.type === "thread" ? t("删除对话") : t("删除短信")}
-      </Button>
-      <Button className="!w-full !justify-center" onClick={closeActionSheet}>
-        {t("取消")}
-      </Button>
-    </div>
-  </div>
-) : null}
-<NewSmsModal
-  open={newSmsOpen}
-  devices={devices}
-  defaultDeviceId={newSmsDevice}
-  sending={sending}
-  onClose={() => setNewSmsOpen(false)}
-  onSend={sendNewSms}
-/>
+          {showContactColumn ? (
+            <ContactList
+              isMobile={isMobile}
+              isDesktop={isDesktop}
+              selectedDevice={selectedDevice}
+              deviceOptions={deviceSelectOptions}
+              onSelectDevice={(id) => void selectDevice(id)}
+              searchQuery={searchQuery}
+              onSearchChange={setSearch}
+              loading={contactsLoading}
+              contacts={filteredContacts}
+              activeKey={selectedKey}
+              isUnread={isUnread}
+              deletingKey={deletingThreadKey}
+              canHover={canHover}
+              onSelect={(key) => void selectContact(key)}
+              onDelete={(t) => void deleteThreadAction(t)}
+              onRowPointerDown={onThreadPointerDown}
+              onRowPointerMove={moveLongPress}
+              onRowPointerEnd={clearLongPress}
+            />
+          ) : null}
+          {showDetailColumn ? (
+            <ThreadPanel
+              isMobile={isMobile}
+              isDesktop={isDesktop}
+              selectedDevice={selectedDevice}
+              activeThread={activeThread}
+              canLoadMore={!!activeThread && hasMore}
+              loadingMore={loadingMore}
+              groups={groups}
+              deletingMessageId={deletingMessageId}
+              canHover={canHover}
+              composer={composer}
+              composerInfo={composerInfo}
+              composerLength={composerLength}
+              sending={sending}
+              detailRef={detailRef}
+              composerRef={composerRef}
+              onBack={onBack}
+              onScrollToBottom={scrollToBottomNow}
+              onLoadMore={() => void loadMore()}
+              onDeleteMessage={(m) => void deleteMessageAction(m)}
+              onComposerChange={setComposer}
+              onSend={() => void sendReply()}
+              onDetailScroll={onDetailScroll}
+              onMsgPointerDown={onMsgPointerDown}
+              onMsgPointerMove={moveLongPress}
+              onMsgPointerEnd={clearLongPress}
+            />
+          ) : null}
+        </div>
+      </div>
+      {actionSheetOpen && isMobile && actionTarget ? (
+        <div className="sms-action-sheet-mask animate-[fade-slide-in_0.18s_ease]" onClick={closeActionSheet}>
+          <div className="sms-action-sheet" onClick={(e) => e.stopPropagation()}>
+            <div className="sms-action-sheet-title">{t("操作")}</div>
+            <Button
+              className="sms-danger-ghost-btn !w-full !justify-center"
+              icon={<DeleteRegular />}
+              onClick={() => void confirmSheetAction()}
+            >
+              {actionTarget.type === "thread" ? t("删除对话") : t("删除短信")}
+            </Button>
+            <Button className="!w-full !justify-center" onClick={closeActionSheet}>
+              {t("取消")}
+            </Button>
+          </div>
+        </div>
+      ) : null}
+      <NewSmsModal
+        open={newSmsOpen}
+        devices={devices}
+        defaultDeviceId={newSmsDevice}
+        sending={sending}
+        onClose={() => setNewSmsOpen(false)}
+        onSend={sendNewSms}
+      />
     </div>
   );
 }

web/test/automaticTaskProfiles.test.mjs

@@ -18,7 +18,7 @@ const {
 } = await import(moduleURL);
 
 test("uses the current physical SIM when the device has no eSIM profiles", () => {
-  const iccid = "89441000400128014257";
+  const iccid = "8944100000000000001";
 
   assert.deepEqual(buildAutomaticTaskProfileOptions([], iccid, "Current SIM"), [
     {
@@ -30,7 +30,7 @@ test("uses the current physical SIM when the device has no eSIM profiles", () =>
 });
 
 test("does not duplicate the current SIM when it is already in the eSIM inventory", () => {
-  const iccid = "89441000400128014257";
+  const iccid = "8944100000000000001";
 
   assert.deepEqual(
     buildAutomaticTaskProfileOptions(
@@ -49,7 +49,7 @@ test("does not duplicate the current SIM when it is already in the eSIM inventor
 });
 
 test("does not replace a saved profile when a failed inventory only exposes the current SIM", () => {
-  const currentICCID = "89441000400128014257";
+  const currentICCID = "8944100000000000001";
   const savedICCID = "89104100000028106378";
   const options = buildAutomaticTaskProfileOptions([], currentICCID, "Current SIM");