diff --git a/app/src/main/java/org/thoughtcrime/securesms/ApplicationContext.java b/app/src/main/java/org/thoughtcrime/securesms/ApplicationContext.java
index 38d61bbf92..ca849ec12b 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/ApplicationContext.java
+++ b/app/src/main/java/org/thoughtcrime/securesms/ApplicationContext.java
@@ -119,6 +119,7 @@ import org.thoughtcrime.securesms.service.webrtc.AndroidTelecomUtil;
 import org.thoughtcrime.securesms.storage.StorageSyncHelper;
 import org.thoughtcrime.securesms.util.AppStartup;
 import org.thoughtcrime.securesms.util.BatterySnapshotTracker;
+import org.thoughtcrime.securesms.util.CommunicationActions;
 import org.thoughtcrime.securesms.util.DeviceProperties;
 import org.thoughtcrime.securesms.util.DynamicTheme;
 import org.thoughtcrime.securesms.util.Environment;
@@ -127,6 +128,7 @@ import org.thoughtcrime.securesms.util.RemoteConfig;
 import org.thoughtcrime.securesms.util.SignalLocalMetrics;
 import org.thoughtcrime.securesms.util.SignalUncaughtExceptionHandler;
 import org.thoughtcrime.securesms.util.SqlCipherLogTarget;
+import org.thoughtcrime.securesms.util.SupportEmailUtil;
 import org.thoughtcrime.securesms.util.TextSecurePreferences;
 import org.thoughtcrime.securesms.util.VersionTracker;
 import org.thoughtcrime.securesms.util.dynamiclanguage.DynamicLanguageContextWrapper;
@@ -438,6 +440,11 @@ public class ApplicationContext extends Application implements AppForegroundObse
         context -> {
           context.startActivity(AppSettingsActivity.proxy(context));
           return Unit.INSTANCE;
+        },
+        (context, subject) -> {
+          String body = SupportEmailUtil.generateSupportEmailBody(context, subject, null, null);
+          CommunicationActions.openEmail(context, SupportEmailUtil.getSupportEmailAddress(context), subject, body);
+          return Unit.INSTANCE;
         }
       )
     );
diff --git a/app/src/main/java/org/thoughtcrime/securesms/util/SupportEmailUtil.java b/app/src/main/java/org/thoughtcrime/securesms/util/SupportEmailUtil.java
index 7a5daab42a..8387d606a1 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/util/SupportEmailUtil.java
+++ b/app/src/main/java/org/thoughtcrime/securesms/util/SupportEmailUtil.java
@@ -1,7 +1,6 @@
 package org.thoughtcrime.securesms.util;
 
 import android.content.Context;
-import android.content.res.Resources;
 import android.os.Build;
 
 import androidx.annotation.NonNull;
@@ -48,18 +47,28 @@ public final class SupportEmailUtil {
                                                          @Nullable String suffix)
   {
     filterSuffix = Util.emptyIfNull(filterSuffix);
-    prefix       = Util.emptyIfNull(prefix);
-    suffix       = Util.emptyIfNull(suffix);
 
-    return String.format("%s\n%s\n%s", prefix, buildSystemInfo(context, filter, filterSuffix), suffix);
+    return generateSupportEmailBody(context, ResourceUtil.getEnglishResources(context).getString(filter) + filterSuffix, prefix, suffix);
   }
 
-  private static @NonNull String buildSystemInfo(@NonNull Context context, @StringRes int filter, @NonNull String filterSuffix) {
-    Resources englishResources = ResourceUtil.getEnglishResources(context);
+  /**
+   * Generates a support email body with system info near the top, using the given already-resolved filter text.
+   */
+  public static @NonNull String generateSupportEmailBody(@NonNull Context context,
+                                                         @NonNull String filter,
+                                                         @Nullable String prefix,
+                                                         @Nullable String suffix)
+  {
+    prefix = Util.emptyIfNull(prefix);
+    suffix = Util.emptyIfNull(suffix);
 
+    return String.format("%s\n%s\n%s", prefix, buildSystemInfo(context, filter), suffix);
+  }
+
+  private static @NonNull String buildSystemInfo(@NonNull Context context, @NonNull String filter) {
     return "--- " + context.getString(R.string.HelpFragment__support_info) + " ---" +
            "\n" +
-           context.getString(R.string.SupportEmailUtil_filter) + " " + englishResources.getString(filter) + filterSuffix +
+           context.getString(R.string.SupportEmailUtil_filter) + " " + filter +
            "\n" +
            context.getString(R.string.SupportEmailUtil_device_info) + " " + getDeviceInfo() +
            "\n" +
diff --git a/demo/registration/src/main/java/org/signal/registration/sample/RegistrationApplication.kt b/demo/registration/src/main/java/org/signal/registration/sample/RegistrationApplication.kt
index 3e17a06365..5becd20654 100644
--- a/demo/registration/src/main/java/org/signal/registration/sample/RegistrationApplication.kt
+++ b/demo/registration/src/main/java/org/signal/registration/sample/RegistrationApplication.kt
@@ -69,6 +69,12 @@ class RegistrationApplication : Application() {
             .setPositiveButton(android.R.string.ok, null)
             .show()
         },
+        contactSupportCallback = { context, subject ->
+          MaterialAlertDialogBuilder(context)
+            .setMessage("Contact support not supported in the demo. Subject: $subject")
+            .setPositiveButton(android.R.string.ok, null)
+            .show()
+        },
         isLinkAndSyncAvailable = true
       )
     )
diff --git a/feature/registration/src/main/java/org/signal/registration/RegistrationDependencies.kt b/feature/registration/src/main/java/org/signal/registration/RegistrationDependencies.kt
index 46248a4517..37ba24ca6d 100644
--- a/feature/registration/src/main/java/org/signal/registration/RegistrationDependencies.kt
+++ b/feature/registration/src/main/java/org/signal/registration/RegistrationDependencies.kt
@@ -16,6 +16,8 @@ import org.signal.registration.util.SensitiveLog
  *   the actual app would just pass null.
  * @param debugLogCallback Callback to launch the debug log viewer. The actual app provides the real implementation.
  * @param proxyConfigCallback Callback to launch the proxy configuration settings. The actual app provides the real implementation.
+ * @param contactSupportCallback Callback to let the user contact support, using the provided email subject. The actual app provides the real
+ *   implementation.
  */
 class RegistrationDependencies(
   val networkController: NetworkController,
@@ -23,7 +25,8 @@ class RegistrationDependencies(
   val isLinkAndSyncAvailable: Boolean,
   val sensitiveLogger: Log.Logger?,
   val debugLogCallback: ((Context) -> Unit)?,
-  val proxyConfigCallback: ((Context) -> Unit)?
+  val proxyConfigCallback: ((Context) -> Unit)?,
+  val contactSupportCallback: ((Context, subject: String) -> Unit)?
 ) {
   companion object {
     lateinit var dependencies: RegistrationDependencies
diff --git a/feature/registration/src/main/java/org/signal/registration/screens/pinentry/PinEntryForRegistrationLockViewModel.kt b/feature/registration/src/main/java/org/signal/registration/screens/pinentry/PinEntryForRegistrationLockViewModel.kt
index 0be254815a..d7e071f3d1 100644
--- a/feature/registration/src/main/java/org/signal/registration/screens/pinentry/PinEntryForRegistrationLockViewModel.kt
+++ b/feature/registration/src/main/java/org/signal/registration/screens/pinentry/PinEntryForRegistrationLockViewModel.kt
@@ -70,8 +70,7 @@ class PinEntryForRegistrationLockViewModel(
       }
       is PinEntryScreenEvents.CreateNewPin,
       is PinEntryScreenEvents.ContactSupport -> Unit
-      is PinEntryScreenEvents.ToggleKeyboard,
-      is PinEntryScreenEvents.NeedHelp -> {
+      is PinEntryScreenEvents.ToggleKeyboard -> {
         stateEmitter(PinEntryScreenEventHandler.applyEvent(state, event))
       }
     }
diff --git a/feature/registration/src/main/java/org/signal/registration/screens/pinentry/PinEntryForSmsBypassViewModel.kt b/feature/registration/src/main/java/org/signal/registration/screens/pinentry/PinEntryForSmsBypassViewModel.kt
index 2f7e5bdce7..b29a871995 100644
--- a/feature/registration/src/main/java/org/signal/registration/screens/pinentry/PinEntryForSmsBypassViewModel.kt
+++ b/feature/registration/src/main/java/org/signal/registration/screens/pinentry/PinEntryForSmsBypassViewModel.kt
@@ -77,8 +77,7 @@ class PinEntryForSmsBypassViewModel(
       }
       is PinEntryScreenEvents.CreateNewPin,
       is PinEntryScreenEvents.ContactSupport -> Unit
-      is PinEntryScreenEvents.ToggleKeyboard,
-      is PinEntryScreenEvents.NeedHelp -> {
+      is PinEntryScreenEvents.ToggleKeyboard -> {
         stateEmitter(PinEntryScreenEventHandler.applyEvent(state, event))
       }
     }
diff --git a/feature/registration/src/main/java/org/signal/registration/screens/pinentry/PinEntryForSvrRestoreViewModel.kt b/feature/registration/src/main/java/org/signal/registration/screens/pinentry/PinEntryForSvrRestoreViewModel.kt
index 94f13f1d55..a090e65108 100644
--- a/feature/registration/src/main/java/org/signal/registration/screens/pinentry/PinEntryForSvrRestoreViewModel.kt
+++ b/feature/registration/src/main/java/org/signal/registration/screens/pinentry/PinEntryForSvrRestoreViewModel.kt
@@ -80,8 +80,7 @@ class PinEntryForSvrRestoreViewModel(
         Log.i(TAG, "[ContactSupport] User opted to contact support after no data was found.")
         stateEmitter(state.copy(showNoDataToRestoreDialog = false))
       }
-      is PinEntryScreenEvents.ToggleKeyboard,
-      is PinEntryScreenEvents.NeedHelp -> {
+      is PinEntryScreenEvents.ToggleKeyboard -> {
         stateEmitter(PinEntryScreenEventHandler.applyEvent(state, event))
       }
     }
diff --git a/feature/registration/src/main/java/org/signal/registration/screens/pinentry/PinEntryScreen.kt b/feature/registration/src/main/java/org/signal/registration/screens/pinentry/PinEntryScreen.kt
index ffb7b97438..f49ea99663 100644
--- a/feature/registration/src/main/java/org/signal/registration/screens/pinentry/PinEntryScreen.kt
+++ b/feature/registration/src/main/java/org/signal/registration/screens/pinentry/PinEntryScreen.kt
@@ -39,6 +39,7 @@ import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.focus.FocusRequester
 import androidx.compose.ui.focus.focusRequester
+import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.pluralStringResource
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.input.ImeAction
@@ -52,6 +53,7 @@ import org.signal.core.ui.compose.Dialogs
 import org.signal.core.ui.compose.Previews
 import org.signal.core.ui.compose.SignalIcons
 import org.signal.registration.R
+import org.signal.registration.RegistrationDependencies
 import org.signal.registration.screens.PinVisualTransformation
 import org.signal.registration.screens.RegistrationScaffold
 import org.signal.registration.screens.TwoPaneRegistrationScaffold
@@ -67,10 +69,13 @@ fun PinEntryScreen(
   onEvent: (PinEntryScreenEvents) -> Unit,
   modifier: Modifier = Modifier
 ) {
+  val context = LocalContext.current
   var pin by rememberSaveable { mutableStateOf("") }
   var showSkipDialog by rememberSaveable { mutableStateOf(false) }
   val focusRequester = remember { FocusRequester() }
   val canSubmitPin = pin.isNotEmpty()
+  val supportEmailSubject = stringResource(R.string.PinEntryScreen__contact_support_email_subject)
+  val onContactSupport: () -> Unit = { RegistrationDependencies.get().contactSupportCallback?.invoke(context, supportEmailSubject) }
 
   when (val params = RegistrationScaffold.rememberLayoutParams()) {
     is RegistrationScaffold.Params.OnePane -> OnePaneLayout(
@@ -81,6 +86,7 @@ fun PinEntryScreen(
       focusRequester = focusRequester,
       onPinChanged = { pin = it },
       onSkip = { showSkipDialog = true },
+      onContactSupport = onContactSupport,
       onEvent = onEvent,
       modifier = modifier
     )
@@ -93,6 +99,7 @@ fun PinEntryScreen(
       focusRequester = focusRequester,
       onPinChanged = { pin = it },
       onSkip = { showSkipDialog = true },
+      onContactSupport = onContactSupport,
       onEvent = onEvent,
       modifier = modifier
     )
@@ -119,7 +126,10 @@ fun PinEntryScreen(
       confirm = stringResource(R.string.PinEntryScreen__create_new_pin),
       dismiss = stringResource(R.string.PinEntryScreen__contact_support),
       onConfirm = { onEvent(PinEntryScreenEvents.CreateNewPin) },
-      onDeny = { onEvent(PinEntryScreenEvents.ContactSupport) },
+      onDeny = {
+        onContactSupport()
+        onEvent(PinEntryScreenEvents.ContactSupport)
+      },
       onDismissRequest = { onEvent(PinEntryScreenEvents.ContactSupport) },
       properties = DialogProperties(
         dismissOnBackPress = false,
@@ -143,6 +153,7 @@ private fun OnePaneLayout(
   focusRequester: FocusRequester,
   onPinChanged: (String) -> Unit,
   onSkip: () -> Unit,
+  onContactSupport: () -> Unit,
   onEvent: (PinEntryScreenEvents) -> Unit,
   modifier: Modifier = Modifier
 ) {
@@ -174,7 +185,7 @@ private fun OnePaneLayout(
             focusRequester = focusRequester,
             onPinChanged = onPinChanged,
             onSubmit = { onEvent(PinEntryScreenEvents.PinEntered(pin)) },
-            onNeedsHelp = { onEvent(PinEntryScreenEvents.NeedHelp) },
+            onNeedsHelp = onContactSupport,
             modifier = Modifier.fillMaxWidth()
           )
 
@@ -214,6 +225,7 @@ private fun TwoPaneLayout(
   focusRequester: FocusRequester,
   onPinChanged: (String) -> Unit,
   onSkip: () -> Unit,
+  onContactSupport: () -> Unit,
   onEvent: (PinEntryScreenEvents) -> Unit,
   modifier: Modifier = Modifier
 ) {
@@ -255,7 +267,7 @@ private fun TwoPaneLayout(
             focusRequester = focusRequester,
             onPinChanged = onPinChanged,
             onSubmit = { onEvent(PinEntryScreenEvents.PinEntered(pin)) },
-            onNeedsHelp = { onEvent(PinEntryScreenEvents.NeedHelp) },
+            onNeedsHelp = onContactSupport,
             modifier = Modifier.fillMaxWidth()
           )
 
diff --git a/feature/registration/src/main/java/org/signal/registration/screens/pinentry/PinEntryScreenEvents.kt b/feature/registration/src/main/java/org/signal/registration/screens/pinentry/PinEntryScreenEvents.kt
index 6957617ba1..850ad8a529 100644
--- a/feature/registration/src/main/java/org/signal/registration/screens/pinentry/PinEntryScreenEvents.kt
+++ b/feature/registration/src/main/java/org/signal/registration/screens/pinentry/PinEntryScreenEvents.kt
@@ -10,7 +10,6 @@ sealed class PinEntryScreenEvents {
     override fun toString(): String = "PinEntered(pin=${pin.length} chars)"
   }
   data object ToggleKeyboard : PinEntryScreenEvents()
-  data object NeedHelp : PinEntryScreenEvents()
   data object Skip : PinEntryScreenEvents()
   data object CreateNewPin : PinEntryScreenEvents()
   data object ContactSupport : PinEntryScreenEvents()
diff --git a/feature/registration/src/main/java/org/signal/registration/screens/remotebackuprestore/RemoteBackupRestoreScreen.kt b/feature/registration/src/main/java/org/signal/registration/screens/remotebackuprestore/RemoteBackupRestoreScreen.kt
index 186c65833c..4e6f75b1cd 100644
--- a/feature/registration/src/main/java/org/signal/registration/screens/remotebackuprestore/RemoteBackupRestoreScreen.kt
+++ b/feature/registration/src/main/java/org/signal/registration/screens/remotebackuprestore/RemoteBackupRestoreScreen.kt
@@ -46,6 +46,7 @@ import org.signal.core.ui.compose.Previews
 import org.signal.core.ui.compose.SignalIcons
 import org.signal.core.ui.compose.theme.SignalTheme
 import org.signal.registration.R
+import org.signal.registration.RegistrationDependencies
 import org.signal.registration.screens.OnePaneRegistrationScaffold
 import org.signal.registration.screens.RegistrationScaffold
 import org.signal.registration.screens.TwoPaneRegistrationScaffold
@@ -296,6 +297,9 @@ private fun RestoreStateDialogs(
   state: RemoteBackupRestoreState,
   onEvent: (RemoteBackupRestoreScreenEvents) -> Unit
 ) {
+  val context = LocalContext.current
+  val contactSupportEmailSubject = stringResource(R.string.RemoteRestoreScreen__contact_support_email_subject)
+
   when (state.restoreState) {
     RemoteBackupRestoreState.RestoreState.None -> Unit
     RemoteBackupRestoreState.RestoreState.InProgress -> {
@@ -330,7 +334,10 @@ private fun RestoreStateDialogs(
         body = stringResource(R.string.RemoteRestoreScreen__your_backup_is_not_recoverable),
         confirm = stringResource(R.string.RemoteRestoreScreen__contact_support),
         dismiss = stringResource(android.R.string.ok),
-        onConfirm = { onEvent(RemoteBackupRestoreScreenEvents.DismissError) },
+        onConfirm = {
+          RegistrationDependencies.get().contactSupportCallback?.invoke(context, contactSupportEmailSubject)
+          onEvent(RemoteBackupRestoreScreenEvents.DismissError)
+        },
         onDismiss = { onEvent(RemoteBackupRestoreScreenEvents.DismissError) }
       )
     }
diff --git a/feature/registration/src/main/res/values/strings.xml b/feature/registration/src/main/res/values/strings.xml
index e0a5383497..0f4c508c03 100644
--- a/feature/registration/src/main/res/values/strings.xml
+++ b/feature/registration/src/main/res/values/strings.xml
@@ -270,6 +270,8 @@
     <string name="RemoteRestoreScreen__your_backup_is_not_recoverable">An error occurred while restoring your backup. Your backup is not recoverable. Please contact support for help.</string>
     <!-- Button to contact support -->
     <string name="RemoteRestoreScreen__contact_support">Contact support</string>
+    <!-- Subject line of the support email composed when the user contacts support about an unrecoverable backup. Also used to route the request, so it is not translated. -->
+    <string name="RemoteRestoreScreen__contact_support_email_subject" translatable="false">Signal Android Backup restore permanent failure</string>
     <!-- Shown while downloading the backup from the server -->
     <string name="RemoteRestoreScreen__downloading_backup">Downloading backup…</string>
     <!-- Shown while restoring messages from the downloaded backup -->
@@ -379,6 +381,8 @@
     <string name="PinEntryScreen__no_data_could_be_found">No data could be found to restore your account. Please create a new PIN.</string>
     <!-- Labels the button in the no-data-to-restore dialog that lets the user contact support. -->
     <string name="PinEntryScreen__contact_support">Contact support</string>
+    <!-- Subject line of the support email composed when the user contacts support about PIN entry. Also used to route the request, so it is not translated. -->
+    <string name="PinEntryScreen__contact_support_email_subject" translatable="false">Signal Registration - Need Help with PIN for Android</string>
 
     <!-- Title for the screen asking the user to grant the notification permission -->
     <string name="AllowNotificationsScreen__allow_notifications">Allow Notifications</string>