diff --git a/android/src/main/java/com/tailscale/ipn/ui/view/ErrorDialog.kt b/android/src/main/java/com/tailscale/ipn/ui/view/ErrorDialog.kt
index 2e2750a..36b7596 100644
--- a/android/src/main/java/com/tailscale/ipn/ui/view/ErrorDialog.kt
+++ b/android/src/main/java/com/tailscale/ipn/ui/view/ErrorDialog.kt
@@ -53,8 +53,12 @@ enum class ErrorDialogType {
 
 @Composable
 fun ErrorDialog(type: ErrorDialogType, action: () -> Unit = {}) {
-  ErrorDialog(
-      title = type.title, message = type.message, buttonText = type.buttonText, onDismiss = action)
+    ErrorDialog(
+        title = type.title,
+        message = stringResource(id = type.message),
+        buttonText = type.buttonText,
+        onDismiss = action
+    )
 }
 
 @Composable
@@ -64,15 +68,30 @@ fun ErrorDialog(
     @StringRes buttonText: Int = R.string.ok,
     onDismiss: () -> Unit = {}
 ) {
-  AppTheme {
-    AlertDialog(
-      onDismissRequest = onDismiss,
-      title = { Text(text = stringResource(id = title)) },
-      text = { Text(text = stringResource(id = message)) },
-      confirmButton = {
-        PrimaryActionButton(onClick = onDismiss) { Text(text = stringResource(id = buttonText)) }
-      })
-  }
+    ErrorDialog(
+        title = title,
+        message = stringResource(id = message),
+        buttonText = buttonText,
+        onDismiss = onDismiss
+    )
+}
+
+@Composable
+fun ErrorDialog(
+    @StringRes title: Int = R.string.error,
+    message: String,
+    @StringRes buttonText: Int = R.string.ok,
+    onDismiss: () -> Unit = {}
+) {
+    AppTheme {
+        AlertDialog(
+            onDismissRequest = onDismiss,
+            title = { Text(text = stringResource(id = title)) },
+            text = { Text(text = message) },
+            confirmButton = {
+                PrimaryActionButton(onClick = onDismiss) { Text(text = stringResource(id = buttonText)) }
+            })
+    }
 }
 
 @Preview
diff --git a/android/src/main/java/com/tailscale/ipn/ui/view/SubnetRoutingView.kt b/android/src/main/java/com/tailscale/ipn/ui/view/SubnetRoutingView.kt
index 357d609..ffab356 100644
--- a/android/src/main/java/com/tailscale/ipn/ui/view/SubnetRoutingView.kt
+++ b/android/src/main/java/com/tailscale/ipn/ui/view/SubnetRoutingView.kt
@@ -40,6 +40,7 @@ fun SubnetRoutingView(backToSettings: BackNavigation, model: SubnetRoutingViewMo
     val uriHandler = LocalUriHandler.current
     val isPresentingDialog by model.isPresentingDialog.collectAsState()
     val useSubnets by model.routeAll.collectAsState()
+    val currentError by model.currentError.collectAsState()
 
     Scaffold(topBar = {
         Header(R.string.subnet_routes, onBack = backToSettings, actions = {
@@ -56,6 +57,13 @@ fun SubnetRoutingView(backToSettings: BackNavigation, model: SubnetRoutingViewMo
     }) { innerPadding ->
         LoadingIndicator.Wrap {
             LazyColumn(modifier = Modifier.padding(innerPadding)) {
+                currentError?.let {
+                    item("error") {
+                        ErrorDialog(title = R.string.failed_to_save, message = it, onDismiss = {
+                            model.onErrorDismissed()
+                        })
+                    }
+                }
                 item("subnetsToggle") {
                     Setting.Switch(R.string.use_tailscale_subnets, isOn = useSubnets, onToggle = {
                         LoadingIndicator.start()
diff --git a/android/src/main/java/com/tailscale/ipn/ui/viewModel/SubnetRoutingViewModel.kt b/android/src/main/java/com/tailscale/ipn/ui/viewModel/SubnetRoutingViewModel.kt
index 73269df..0bee1bb 100644
--- a/android/src/main/java/com/tailscale/ipn/ui/viewModel/SubnetRoutingViewModel.kt
+++ b/android/src/main/java/com/tailscale/ipn/ui/viewModel/SubnetRoutingViewModel.kt
@@ -63,6 +63,12 @@ class SubnetRoutingViewModel : ViewModel() {
      */
     val isTextFieldValueValid: StateFlow<Boolean> = MutableStateFlow(true)
 
+    /**
+     * If an error occurred while saving the ipn.Prefs to the backend this value is
+     * non-null. Subsequent successful attempts to save will clear it.
+     */
+    val currentError: MutableStateFlow<String?> = MutableStateFlow(null)
+
     init {
         viewModelScope.launch {
             // Any time the value entered by the user in the add/edit dialog changes, we determine
@@ -113,12 +119,14 @@ class SubnetRoutingViewModel : ViewModel() {
                 Client(viewModelScope).editPrefs(prefsOut, responseHandler = { result ->
                     if (result.isFailure) {
                         Log.e(TAG, "Error saving RouteAll: ${result.exceptionOrNull()}")
+                        currentError.set(result.exceptionOrNull()?.localizedMessage)
                         return@editPrefs
                     } else {
                         Log.d(
                             TAG,
                             "RouteAll set in backend. New value: ${result.getOrNull()?.RouteAll}"
                         )
+                        currentError.set(null)
                     }
                 })
             }
@@ -221,16 +229,30 @@ class SubnetRoutingViewModel : ViewModel() {
         Client(viewModelScope).editPrefs(prefsOut, responseHandler = { result ->
             if (result.isFailure) {
                 Log.e(TAG, "Error saving AdvertiseRoutes: ${result.exceptionOrNull()}")
+                currentError.set(result.exceptionOrNull()?.localizedMessage)
                 return@editPrefs
             } else {
                 Log.d(
                     TAG,
                     "AdvertiseRoutes set in backend. New value: ${result.getOrNull()?.AdvertiseRoutes}"
                 )
+                currentError.set(null)
             }
         })
     }
 
+    /**
+     * Clears the current error message and reloads the routes currently saved in the backend
+     * to the UI. We call this when dismissing an error upon saving the routes.
+     */
+    fun onErrorDismissed() {
+        currentError.set(null)
+        Client(viewModelScope).prefs { response ->
+            Log.d(TAG, "Reloading routes from backend due to failed save: $response")
+            this.advertisedRoutes.set(response.getOrNull()?.AdvertiseRoutes ?: emptyList())
+        }
+    }
+
     companion object RouteValidation {
         /**
          * Returns true if the given String is a valid IPv4 or IPv6 CIDR range, false otherwise.
diff --git a/android/src/main/res/values/strings.xml b/android/src/main/res/values/strings.xml
index 01b122c..c1c539a 100644
--- a/android/src/main/res/values/strings.xml
+++ b/android/src/main/res/values/strings.xml
@@ -321,5 +321,6 @@
     <string name="subnet_routing">Subnet routing</string>
     <string name="specifies_a_device_name_to_be_used_instead_of_the_automatic_default">Specifies a device name to be used instead of the automatic default.</string>
     <string name="hostname">Hostname</string>
+    <string name="failed_to_save">Failed to save</string>
 
 </resources>