Updated on 2026-08-14

app/src/main/java/com/tangem/tap/MainActivity.kt

@@ -116,21 +116,8 @@ class MainActivity : AppCompatActivity(), SnackbarHandler, ActivityResultCallbac
         super.onResume()
         notificationsHandler = NotificationsHandler(binding.fragmentContainer)
 
-        val backStackIsEmpty = supportFragmentManager.backStackEntryCount == 0
-        val isScannedBefore = store.state.globalState.scanResponse != null
-        val isOnboardingServiceActive = store.state.globalState.onboardingState.onboardingStarted
-        val shopOpened = store.state.shopState.total != null
-        @Suppress("ComplexCondition")
-        if (backStackIsEmpty || !isOnboardingServiceActive && !isScannedBefore && !shopOpened) {
-            if (userWalletsListManager.hasSavedUserWallets) {
-                store.dispatchOnMain(WelcomeAction.HandleDeepLink(intent))
-                store.dispatchOnMain(NavigationAction.NavigateTo(AppScreen.Welcome))
-            } else {
-                store.dispatchOnMain(NavigationAction.NavigateTo(AppScreen.Home))
-                intentHandler.handleWalletConnectLink(intent)
-            }
-            store.dispatch(BackupAction.CheckForUnfinishedBackup)
-        }
+        navigateToInitialScreenIfNeeded()
+
         intentHandler.handleBackgroundScan(intent)
         intentHandler.handleSellCurrencyCallback(intent)
     }
@@ -202,4 +189,31 @@ class MainActivity : AppCompatActivity(), SnackbarHandler, ActivityResultCallbac
 
         lockUserWalletsTimer?.restart()
     }
+
+    private fun navigateToInitialScreenIfNeeded() {
+        val backStackIsEmpty = supportFragmentManager.backStackEntryCount == 0
+        val isNotScannedBefore = store.state.globalState.scanResponse == null
+        val isOnboardingServiceNotActive = store.state.globalState.onboardingState.onboardingStarted
+        val isShopNotOpened = store.state.shopState.total != null
+        when {
+            !backStackIsEmpty && isNotScannedBefore && isOnboardingServiceNotActive && isShopNotOpened -> {
+                navigateToInitialScreen()
+            }
+            backStackIsEmpty -> {
+                navigateToInitialScreen()
+            }
+        }
+    }
+
+    private fun navigateToInitialScreen() {
+        if (userWalletsListManager.hasSavedUserWallets) {
+            store.dispatchOnMain(WelcomeAction.HandleDeepLink(intent))
+            store.dispatchOnMain(NavigationAction.NavigateTo(AppScreen.Welcome))
+            store.dispatchOnMain(WelcomeAction.ProceedWithBiometrics)
+        } else {
+            store.dispatchOnMain(NavigationAction.NavigateTo(AppScreen.Home))
+            intentHandler.handleWalletConnectLink(intent)
+        }
+        store.dispatch(BackupAction.CheckForUnfinishedBackup)
+    }
 }

app/src/main/java/com/tangem/tap/common/redux/navigation/NavigationMiddleware.kt

@@ -34,8 +34,13 @@ val navigationMiddleware: Middleware<AppState> = { _, state ->
                                 AppScreen.Home,
                                 AppScreen.Welcome,
                                 -> {
-                                    navState?.activity?.get()?.popBackTo(screen, inclusive = true)
-                                    store.dispatchOnMain(NavigationAction.NavigateTo(screen))
+                                    if (navState?.backStack?.contains(screen) == false) {
+                                        // Pop back to activity
+                                        navState.activity?.get()?.popBackTo(screen = null, inclusive = true)
+                                        store.dispatchOnMain(NavigationAction.NavigateTo(screen))
+                                    } else {
+                                        navState?.activity?.get()?.popBackTo(screen, action.inclusive)
+                                    }
                                 }
                                 else -> {
                                     navState?.activity?.get()?.popBackTo(screen, action.inclusive)

app/src/main/java/com/tangem/tap/domain/userWalletList/implementation/BiometricUserWalletsListManager.kt

@@ -59,12 +59,7 @@ internal class BiometricUserWalletsListManager(
     }
 
     override fun lock() {
-        state.update { prevState ->
-            prevState.copy(
-                encryptionKeys = emptyList(),
-                isLocked = true,
-            )
-        }
+        state.update { State() }
     }
 
     override suspend fun selectWallet(userWalletId: UserWalletId): CompletionResult<UserWallet> = catching {
@@ -143,7 +138,7 @@ internal class BiometricUserWalletsListManager(
             .flatMap { keysRepository.clear() }
             .map {
                 selectedUserWalletRepository.set(null)
-                state.update { State() }
+                lock()
             }
     }
 

app/src/main/java/com/tangem/tap/features/welcome/redux/WelcomeMiddleware.kt

@@ -36,7 +36,7 @@ internal class WelcomeMiddleware {
     private fun handleAction(action: WelcomeAction, state: WelcomeState) {
         when (action) {
             is WelcomeAction.ProceedWithBiometrics -> {
-                proceedWithBiometry(state)
+                proceedWithBiometrics(state)
             }
             is WelcomeAction.ProceedWithCard -> {
                 proceedWithCard(state)
@@ -51,7 +51,7 @@ internal class WelcomeMiddleware {
         }
     }
 
-    private fun proceedWithBiometry(state: WelcomeState) {
+    private fun proceedWithBiometrics(state: WelcomeState) {
         scope.launch {
             userWalletsListManager.unlockWithBiometry()
                 .doOnFailure { error ->