diff --git a/app/src/main/java/org/thoughtcrime/securesms/backup/v2/BackupRepository.kt b/app/src/main/java/org/thoughtcrime/securesms/backup/v2/BackupRepository.kt
index 12ea088414..5e113f6fe7 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/backup/v2/BackupRepository.kt
+++ b/app/src/main/java/org/thoughtcrime/securesms/backup/v2/BackupRepository.kt
@@ -88,6 +88,8 @@ import org.thoughtcrime.securesms.dependencies.AppDependencies
 import org.thoughtcrime.securesms.groups.GroupId
 import org.thoughtcrime.securesms.jobmanager.Job
 import org.thoughtcrime.securesms.jobmanager.impl.DataRestoreConstraint
+import org.thoughtcrime.securesms.jobmanager.impl.NetworkConstraint
+import org.thoughtcrime.securesms.jobmanager.impl.WifiConstraint
 import org.thoughtcrime.securesms.jobs.AvatarGroupsV2DownloadJob
 import org.thoughtcrime.securesms.jobs.BackupDeleteJob
 import org.thoughtcrime.securesms.jobs.BackupRestoreMediaJob
@@ -158,6 +160,7 @@ object BackupRepository {
   private const val LOCAL_MAIN_DB_SNAPSHOT_NAME = "local-signal-snapshot"
   private const val LOCAL_KEYVALUE_DB_SNAPSHOT_NAME = "local-signal-key-value-snapshot"
   private const val RECENT_RECIPIENTS_MAX = 50
+  private val MANUAL_BACKUP_NOTIFICATION_THRESHOLD = 30.days
 
   private val resetInitializedStateErrorAction: StatusCodeErrorAction = { error ->
     when (error.code) {
@@ -321,6 +324,29 @@ object BackupRepository {
     }
   }
 
+  fun displayManualBackupNotCreatedInThresholdNotification() {
+    if (SignalStore.backup.lastBackupTime <= 0) {
+      return
+    }
+
+    val daysSinceLastBackup = (System.currentTimeMillis().milliseconds - SignalStore.backup.lastBackupTime.milliseconds).inWholeDays.toInt()
+    val context = AppDependencies.application
+    val pendingIntent = PendingIntent.getActivity(context, 0, AppSettingsActivity.remoteBackups(context), cancelCurrent())
+    val notification = NotificationCompat.Builder(context, NotificationChannels.getInstance().APP_ALERTS)
+      .setSmallIcon(R.drawable.ic_notification)
+      .setContentTitle(context.resources.getQuantityString(R.plurals.Notification_no_backup_for_d_days, daysSinceLastBackup, daysSinceLastBackup))
+      .setContentText(context.resources.getQuantityString(R.plurals.Notification_you_have_not_completed_a_backup, daysSinceLastBackup, daysSinceLastBackup))
+      .setContentIntent(pendingIntent)
+      .setAutoCancel(true)
+      .build()
+
+    ServiceUtil.getNotificationManager(context).notify(NotificationIds.MANUAL_BACKUP_NOT_CREATED, notification)
+  }
+
+  fun cancelManualBackupNotCreatedInThresholdNotification() {
+    ServiceUtil.getNotificationManager(AppDependencies.application).cancel(NotificationIds.MANUAL_BACKUP_NOT_CREATED)
+  }
+
   @Discouraged("This is only public to allow internal settings to call it directly.")
   fun displayInitialBackupFailureNotification() {
     val context = AppDependencies.application
@@ -432,6 +458,45 @@ object BackupRepository {
     SignalStore.backup.hasBackupAlreadyRedeemedError = false
   }
 
+  /**
+   * Whether or not the "No backup" for manual backups should be displayed.
+   * This should only be displayed after a set threshold has passed and the user
+   * has set the MANUAL backups frequency.
+   */
+  fun shouldDisplayNoManualBackupForTimeoutSheet(): Boolean {
+    if (shouldNotDisplayBackupFailedMessaging()) {
+      return false
+    }
+
+    if (SignalStore.backup.backupFrequency != BackupFrequency.MANUAL) {
+      return false
+    }
+
+    if (SignalStore.backup.lastBackupTime <= 0) {
+      return false
+    }
+
+    val isNetworkConstraintMet = if (SignalStore.backup.backupWithCellular) {
+      NetworkConstraint.isMet(AppDependencies.application)
+    } else {
+      WifiConstraint.isMet(AppDependencies.application)
+    }
+
+    if (!isNetworkConstraintMet) {
+      return false
+    }
+
+    val durationSinceLastBackup = System.currentTimeMillis().milliseconds - SignalStore.backup.lastBackupTime.milliseconds
+    if (durationSinceLastBackup < MANUAL_BACKUP_NOTIFICATION_THRESHOLD) {
+      return false
+    }
+
+    val display = !SignalStore.backup.isNoBackupForManualUploadNotified
+    SignalStore.backup.isNoBackupForManualUploadNotified = false
+
+    return display
+  }
+
   /**
    * Updates the watermark for the indicator display.
    */
diff --git a/app/src/main/java/org/thoughtcrime/securesms/backup/v2/ui/BackupAlertBottomSheet.kt b/app/src/main/java/org/thoughtcrime/securesms/backup/v2/ui/BackupAlertBottomSheet.kt
index bf1c59509e..2aa2464c99 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/backup/v2/ui/BackupAlertBottomSheet.kt
+++ b/app/src/main/java/org/thoughtcrime/securesms/backup/v2/ui/BackupAlertBottomSheet.kt
@@ -8,40 +8,26 @@ package org.thoughtcrime.securesms.backup.v2.ui
 import android.content.DialogInterface
 import android.os.Parcelable
 import androidx.appcompat.app.AlertDialog
-import androidx.compose.foundation.Image
 import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.Box
-import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.IntrinsicSize
 import androidx.compose.foundation.layout.Row
-import androidx.compose.foundation.layout.Spacer
-import androidx.compose.foundation.layout.defaultMinSize
 import androidx.compose.foundation.layout.fillMaxHeight
-import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.padding
-import androidx.compose.foundation.layout.size
 import androidx.compose.foundation.layout.width
-import androidx.compose.foundation.shape.CircleShape
-import androidx.compose.material3.Icon
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
-import androidx.compose.material3.TextButton
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.Stable
 import androidx.compose.runtime.remember
-import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.graphics.vector.ImageVector
 import androidx.compose.ui.platform.LocalContext
-import androidx.compose.ui.res.dimensionResource
 import androidx.compose.ui.res.pluralStringResource
 import androidx.compose.ui.res.stringResource
-import androidx.compose.ui.res.vectorResource
 import androidx.compose.ui.text.LinkAnnotation
 import androidx.compose.ui.text.SpanStyle
 import androidx.compose.ui.text.buildAnnotatedString
-import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.text.withLink
 import androidx.compose.ui.text.withStyle
 import androidx.compose.ui.unit.dp
@@ -51,8 +37,6 @@ import androidx.core.os.bundleOf
 import androidx.fragment.app.DialogFragment
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import kotlinx.parcelize.Parcelize
-import org.signal.core.ui.compose.BottomSheets
-import org.signal.core.ui.compose.Buttons
 import org.signal.core.ui.compose.Previews
 import org.signal.core.ui.compose.SignalPreview
 import org.signal.core.ui.compose.theme.SignalTheme
@@ -66,7 +50,6 @@ import org.thoughtcrime.securesms.jobs.BackupMessagesJob
 import org.thoughtcrime.securesms.keyvalue.protos.BackupDownloadNotifierState
 import org.thoughtcrime.securesms.util.CommunicationActions
 import org.thoughtcrime.securesms.util.PlayStoreUtil
-import org.signal.core.ui.R as CoreUiR
 
 /**
  * Notifies the user of an issue with their backup.
@@ -96,14 +79,10 @@ class BackupAlertBottomSheet : ComposeBottomSheetDialogFragment() {
 
   @Composable
   override fun SheetContent() {
-    val performPrimaryAction = remember(backupAlert) {
-      createPrimaryAction()
-    }
-
-    BackupAlertSheetContent(
+    AlertContainer(
       backupAlert = backupAlert,
-      onPrimaryActionClick = performPrimaryAction,
-      onSecondaryActionClick = this::performSecondaryAction
+      primaryActionButtonState = rememberPrimaryAction(backupAlert, remember(backupAlert) { createPrimaryAction() }),
+      secondaryActionButtonState = rememberSecondaryAction(backupAlert) { performSecondaryAction() }
     )
   }
 
@@ -146,12 +125,14 @@ class BackupAlertBottomSheet : ComposeBottomSheetDialogFragment() {
       is BackupAlert.DiskFull -> {
         displaySkipRestoreDialog()
       }
+
       BackupAlert.BackupFailed -> {
         ContactSupportDialogFragment.create(
           subject = R.string.BackupAlertBottomSheet_network_failure_support_email,
           filter = R.string.BackupAlertBottomSheet_export_failure_filter
         ).show(parentFragmentManager, null)
       }
+
       BackupAlert.CouldNotRedeemBackup -> CommunicationActions.openBrowserLink(requireContext(), requireContext().getString(R.string.backup_support_url)) // TODO [backups] final url
     }
 
@@ -192,105 +173,56 @@ class BackupAlertBottomSheet : ComposeBottomSheetDialogFragment() {
 }
 
 @Composable
-fun BackupAlertSheetContent(
+private fun AlertContainer(
   backupAlert: BackupAlert,
-  onPrimaryActionClick: () -> Unit = {},
-  onSecondaryActionClick: () -> Unit = {}
+  primaryActionButtonState: BackupAlertActionButtonState,
+  secondaryActionButtonState: BackupAlertActionButtonState? = null
 ) {
-  Column(
-    horizontalAlignment = Alignment.CenterHorizontally,
-    modifier = Modifier
-      .fillMaxWidth()
-      .padding(horizontal = dimensionResource(id = CoreUiR.dimen.gutter))
-  ) {
-    BottomSheets.Handle()
+  BackupAlertBottomSheetContainer(
+    icon = { AlertIcon(backupAlert) },
+    title = titleString(backupAlert),
+    primaryActionButtonState = primaryActionButtonState,
+    secondaryActionButtonState = secondaryActionButtonState,
+    content = { Body(backupAlert) }
+  )
+}
 
-    Spacer(modifier = Modifier.size(26.dp))
-
-    when (backupAlert) {
-      is BackupAlert.MediaBackupsAreOff -> error("Use MediaBackupsAreOffBottomSheet instead.")
-      BackupAlert.FailedToRenew, BackupAlert.ExpiredAndDowngraded -> {
-        Box {
-          Image(
-            imageVector = ImageVector.vectorResource(id = R.drawable.image_signal_backups),
-            contentDescription = null,
-            modifier = Modifier
-              .size(80.dp)
-              .padding(2.dp)
-          )
-          Icon(
-            imageVector = ImageVector.vectorResource(R.drawable.symbol_error_circle_fill_24),
-            contentDescription = null,
-            tint = MaterialTheme.colorScheme.error,
-            modifier = Modifier.align(Alignment.TopEnd)
-          )
-        }
-      }
-
-      else -> {
-        val iconColors = rememberBackupsIconColors(backupAlert = backupAlert)
-        Icon(
-          imageVector = ImageVector.vectorResource(id = R.drawable.symbol_backup_light),
-          contentDescription = null,
-          tint = iconColors.foreground,
-          modifier = Modifier
-            .size(80.dp)
-            .background(color = iconColors.background, shape = CircleShape)
-            .padding(20.dp)
-        )
-      }
+@Composable
+private fun AlertIcon(backupAlert: BackupAlert) {
+  when (backupAlert) {
+    is BackupAlert.MediaBackupsAreOff -> error("Use MediaBackupsAreOffBottomSheet instead.")
+    BackupAlert.FailedToRenew, BackupAlert.ExpiredAndDowngraded -> {
+      BackupAlertImage()
     }
 
-    Text(
-      text = titleString(backupAlert = backupAlert),
-      style = MaterialTheme.typography.titleLarge,
-      textAlign = TextAlign.Center,
-      modifier = Modifier.padding(top = 16.dp, bottom = 6.dp)
-    )
-
-    when (backupAlert) {
-      is BackupAlert.CouldNotCompleteBackup -> CouldNotCompleteBackup(
-        daysSinceLastBackup = backupAlert.daysSinceLastBackup
-      )
-
-      BackupAlert.FailedToRenew -> PaymentProcessingBody()
-      is BackupAlert.DownloadYourBackupData -> DownloadYourBackupData(backupAlert.formattedSize)
-      is BackupAlert.DiskFull -> DiskFullBody(requiredSpace = backupAlert.requiredSpace)
-      BackupAlert.BackupFailed -> BackupFailedBody()
-      BackupAlert.CouldNotRedeemBackup -> CouldNotRedeemBackup()
-      is BackupAlert.MediaBackupsAreOff -> error("Use MediaBackupsAreOffBottomSheet instead.")
-      BackupAlert.ExpiredAndDowngraded -> SubscriptionExpired()
-    }
-
-    val secondaryActionResource = rememberSecondaryActionResource(backupAlert = backupAlert)
-    val padBottom = if (secondaryActionResource > 0) 16.dp else 56.dp
-
-    Buttons.LargeTonal(
-      onClick = onPrimaryActionClick,
-      modifier = Modifier
-        .defaultMinSize(minWidth = 220.dp)
-        .padding(bottom = padBottom)
-    ) {
-      Text(text = primaryActionString(backupAlert = backupAlert))
-    }
-
-    if (secondaryActionResource > 0) {
-      TextButton(
-        onClick = onSecondaryActionClick,
-        modifier = Modifier.padding(bottom = 32.dp)
-      ) {
-        Text(text = stringResource(id = secondaryActionResource))
-      }
+    else -> {
+      val iconColors = rememberBackupsIconColors(backupAlert = backupAlert)
+      BackupAlertIcon(iconColors = iconColors)
     }
   }
 }
 
+@Composable
+private fun Body(backupAlert: BackupAlert) {
+  when (val alert = backupAlert) {
+    is BackupAlert.CouldNotCompleteBackup -> CouldNotCompleteBackup(
+      daysSinceLastBackup = alert.daysSinceLastBackup
+    )
+
+    BackupAlert.FailedToRenew -> PaymentProcessingBody()
+    is BackupAlert.DownloadYourBackupData -> DownloadYourBackupData(alert.formattedSize)
+    is BackupAlert.DiskFull -> DiskFullBody(requiredSpace = alert.requiredSpace)
+    BackupAlert.BackupFailed -> BackupFailedBody()
+    BackupAlert.CouldNotRedeemBackup -> CouldNotRedeemBackup()
+    is BackupAlert.MediaBackupsAreOff -> error("Use MediaBackupsAreOffBottomSheet instead.")
+    BackupAlert.ExpiredAndDowngraded -> SubscriptionExpired()
+  }
+}
+
 @Composable
 private fun CouldNotRedeemBackup() {
-  Text(
+  BackupAlertText(
     text = stringResource(R.string.BackupAlertBottomSheet__too_many_devices_have_tried),
-    textAlign = TextAlign.Center,
-    color = MaterialTheme.colorScheme.onSurfaceVariant,
     modifier = Modifier.padding(bottom = 16.dp)
   )
 
@@ -338,17 +270,13 @@ private fun CouldNotRedeemBackup() {
 
 @Composable
 private fun SubscriptionExpired() {
-  Text(
+  BackupAlertText(
     text = stringResource(id = R.string.BackupAlertBottomSheet__your_subscription_couldnt_be_renewed),
-    textAlign = TextAlign.Center,
-    color = MaterialTheme.colorScheme.onSurfaceVariant,
     modifier = Modifier.padding(bottom = 24.dp)
   )
 
-  Text(
+  BackupAlertText(
     text = stringResource(id = R.string.BackupAlertBottomSheet__youll_continue_to_have_access_to_the_free),
-    textAlign = TextAlign.Center,
-    color = MaterialTheme.colorScheme.onSurfaceVariant,
     modifier = Modifier.padding(bottom = 36.dp)
   )
 }
@@ -357,54 +285,42 @@ private fun SubscriptionExpired() {
 private fun CouldNotCompleteBackup(
   daysSinceLastBackup: Int
 ) {
-  Text(
+  BackupAlertText(
     text = pluralStringResource(id = R.plurals.BackupAlertBottomSheet__your_device_hasnt, daysSinceLastBackup, daysSinceLastBackup),
-    textAlign = TextAlign.Center,
-    color = MaterialTheme.colorScheme.onSurfaceVariant,
     modifier = Modifier.padding(bottom = 60.dp)
   )
 }
 
 @Composable
 private fun PaymentProcessingBody() {
-  Text(
+  BackupAlertText(
     text = stringResource(id = R.string.BackupAlertBottomSheet__check_to_make_sure_your_payment_method),
-    textAlign = TextAlign.Center,
-    color = MaterialTheme.colorScheme.onSurfaceVariant,
     modifier = Modifier.padding(bottom = 60.dp)
   )
 }
 
 @Composable
 private fun DownloadYourBackupData(formattedSize: String) {
-  Text(
+  BackupAlertText(
     text = stringResource(id = R.string.BackupAlertBottomSheet__you_have_s_of_media_thats_not_on_this_device, formattedSize),
-    textAlign = TextAlign.Center,
-    color = MaterialTheme.colorScheme.onSurfaceVariant,
     modifier = Modifier.padding(bottom = 24.dp)
   )
 
-  Text(
+  BackupAlertText(
     text = stringResource(id = R.string.BackupAlertBottomSheet__you_can_begin_paying_for_backups_again),
-    textAlign = TextAlign.Center,
-    color = MaterialTheme.colorScheme.onSurfaceVariant,
     modifier = Modifier.padding(bottom = 36.dp)
   )
 }
 
 @Composable
 private fun DiskFullBody(requiredSpace: String) {
-  Text(
+  BackupAlertText(
     text = stringResource(id = R.string.BackupAlertBottomSheet__to_finish_downloading_your_signal_backup, requiredSpace),
-    textAlign = TextAlign.Center,
-    color = MaterialTheme.colorScheme.onSurfaceVariant,
     modifier = Modifier.padding(bottom = 24.dp)
   )
 
-  Text(
+  BackupAlertText(
     text = stringResource(R.string.BackupAlertBottomSheet__to_free_up_space_offload),
-    textAlign = TextAlign.Center,
-    color = MaterialTheme.colorScheme.onSurfaceVariant,
     modifier = Modifier.padding(bottom = 36.dp)
   )
 }
@@ -427,10 +343,8 @@ private fun BackupFailedBody() {
     }
   }
 
-  Text(
+  BackupAlertText(
     text = text,
-    textAlign = TextAlign.Center,
-    color = MaterialTheme.colorScheme.onSurfaceVariant,
     modifier = Modifier.padding(bottom = 36.dp)
   )
 }
@@ -459,6 +373,7 @@ private fun titleString(backupAlert: BackupAlert): String {
         stringResource(R.string.BackupAlertBottomSheet__download_your_backup_data)
       }
     }
+
     is BackupAlert.DiskFull -> stringResource(R.string.BackupAlertBottomSheet__free_up_s_on_this_device, backupAlert.requiredSpace)
     BackupAlert.BackupFailed -> stringResource(R.string.BackupAlertBottomSheet__backup_failed)
     BackupAlert.CouldNotRedeemBackup -> stringResource(R.string.BackupAlertBottomSheet__couldnt_redeem_your_backups_subscription)
@@ -467,10 +382,11 @@ private fun titleString(backupAlert: BackupAlert): String {
 }
 
 @Composable
-private fun primaryActionString(
-  backupAlert: BackupAlert
-): String {
-  return when (backupAlert) {
+private fun rememberPrimaryAction(
+  backupAlert: BackupAlert,
+  callback: () -> Unit
+): BackupAlertActionButtonState {
+  val label = when (backupAlert) {
     is BackupAlert.CouldNotCompleteBackup -> stringResource(R.string.BackupAlertBottomSheet__back_up_now)
     BackupAlert.FailedToRenew -> stringResource(R.string.BackupAlertBottomSheet__manage_subscription)
     is BackupAlert.MediaBackupsAreOff -> error("Not supported.")
@@ -480,20 +396,41 @@ private fun primaryActionString(
     BackupAlert.CouldNotRedeemBackup -> stringResource(R.string.BackupAlertBottomSheet__got_it)
     BackupAlert.ExpiredAndDowngraded -> stringResource(R.string.BackupAlertBottomSheet__manage_backups)
   }
+
+  return remember(backupAlert, callback) {
+    BackupAlertActionButtonState(
+      label = label,
+      callback = callback
+    )
+  }
 }
 
 @Composable
-private fun rememberSecondaryActionResource(backupAlert: BackupAlert): Int {
-  return remember(backupAlert) {
-    when (backupAlert) {
-      is BackupAlert.CouldNotCompleteBackup -> R.string.BackupAlertBottomSheet__try_later
-      BackupAlert.FailedToRenew, BackupAlert.ExpiredAndDowngraded -> R.string.BackupAlertBottomSheet__not_now
-      is BackupAlert.MediaBackupsAreOff -> error("Not supported.")
-      is BackupAlert.DownloadYourBackupData -> R.string.BackupAlertBottomSheet__dont_download_backup
-      is BackupAlert.DiskFull -> R.string.BackupAlertBottomSheet__skip_restore
-      is BackupAlert.BackupFailed -> R.string.BackupAlertBottomSheet__contact_support
-      BackupAlert.CouldNotRedeemBackup -> R.string.BackupAlertBottomSheet__learn_more
-    }
+private fun rememberSecondaryAction(
+  backupAlert: BackupAlert,
+  callback: () -> Unit
+): BackupAlertActionButtonState? {
+  val labelResource = when (backupAlert) {
+    is BackupAlert.CouldNotCompleteBackup -> R.string.BackupAlertBottomSheet__try_later
+    BackupAlert.FailedToRenew, BackupAlert.ExpiredAndDowngraded -> R.string.BackupAlertBottomSheet__not_now
+    is BackupAlert.MediaBackupsAreOff -> error("Not supported.")
+    is BackupAlert.DownloadYourBackupData -> R.string.BackupAlertBottomSheet__dont_download_backup
+    is BackupAlert.DiskFull -> R.string.BackupAlertBottomSheet__skip_restore
+    is BackupAlert.BackupFailed -> R.string.BackupAlertBottomSheet__contact_support
+    BackupAlert.CouldNotRedeemBackup -> R.string.BackupAlertBottomSheet__learn_more
+  }
+
+  if (labelResource <= 0) {
+    return null
+  }
+
+  val label = stringResource(labelResource)
+
+  return remember(backupAlert, callback) {
+    BackupAlertActionButtonState(
+      label = label,
+      callback = callback
+    )
   }
 }
 
@@ -501,9 +438,11 @@ private fun rememberSecondaryActionResource(backupAlert: BackupAlert): Int {
 @Composable
 private fun BackupAlertSheetContentPreviewGeneric() {
   Previews.BottomSheetPreview {
-    BackupAlertSheetContent(
-      backupAlert = BackupAlert.CouldNotCompleteBackup(daysSinceLastBackup = 7)
-    )
+    val backupAlert = BackupAlert.CouldNotCompleteBackup(daysSinceLastBackup = 7)
+    val primaryActionButtonState = rememberPrimaryAction(backupAlert) { }
+    val secondaryActionButtonState = rememberSecondaryAction(backupAlert) { }
+
+    AlertContainer(backupAlert, primaryActionButtonState, secondaryActionButtonState)
   }
 }
 
@@ -511,9 +450,11 @@ private fun BackupAlertSheetContentPreviewGeneric() {
 @Composable
 private fun BackupAlertSheetContentPreviewPayment() {
   Previews.BottomSheetPreview {
-    BackupAlertSheetContent(
-      backupAlert = BackupAlert.FailedToRenew
-    )
+    val backupAlert = BackupAlert.FailedToRenew
+    val primaryActionButtonState = rememberPrimaryAction(backupAlert) { }
+    val secondaryActionButtonState = rememberSecondaryAction(backupAlert) { }
+
+    AlertContainer(backupAlert, primaryActionButtonState, secondaryActionButtonState)
   }
 }
 
@@ -521,12 +462,14 @@ private fun BackupAlertSheetContentPreviewPayment() {
 @Composable
 private fun BackupAlertSheetContentPreviewDelete() {
   Previews.BottomSheetPreview {
-    BackupAlertSheetContent(
-      backupAlert = BackupAlert.DownloadYourBackupData(
-        isLastDay = false,
-        formattedSize = "2.3MB"
-      )
+    val backupAlert = BackupAlert.DownloadYourBackupData(
+      isLastDay = false,
+      formattedSize = "2.3MB"
     )
+    val primaryActionButtonState = rememberPrimaryAction(backupAlert) { }
+    val secondaryActionButtonState = rememberSecondaryAction(backupAlert) { }
+
+    AlertContainer(backupAlert, primaryActionButtonState, secondaryActionButtonState)
   }
 }
 
@@ -534,9 +477,11 @@ private fun BackupAlertSheetContentPreviewDelete() {
 @Composable
 private fun BackupAlertSheetContentPreviewDiskFull() {
   Previews.BottomSheetPreview {
-    BackupAlertSheetContent(
-      backupAlert = BackupAlert.DiskFull(requiredSpace = "12GB")
-    )
+    val backupAlert = BackupAlert.DiskFull(requiredSpace = "12GB")
+    val primaryActionButtonState = rememberPrimaryAction(backupAlert) { }
+    val secondaryActionButtonState = rememberSecondaryAction(backupAlert) { }
+
+    AlertContainer(backupAlert, primaryActionButtonState, secondaryActionButtonState)
   }
 }
 
@@ -544,9 +489,11 @@ private fun BackupAlertSheetContentPreviewDiskFull() {
 @Composable
 private fun BackupAlertSheetContentPreviewBackupFailed() {
   Previews.BottomSheetPreview {
-    BackupAlertSheetContent(
-      backupAlert = BackupAlert.BackupFailed
-    )
+    val backupAlert = BackupAlert.BackupFailed
+    val primaryActionButtonState = rememberPrimaryAction(backupAlert) { }
+    val secondaryActionButtonState = rememberSecondaryAction(backupAlert) { }
+
+    AlertContainer(backupAlert, primaryActionButtonState, secondaryActionButtonState)
   }
 }
 
@@ -554,9 +501,11 @@ private fun BackupAlertSheetContentPreviewBackupFailed() {
 @Composable
 private fun BackupAlertSheetContentPreviewCouldNotRedeemBackup() {
   Previews.BottomSheetPreview {
-    BackupAlertSheetContent(
-      backupAlert = BackupAlert.CouldNotRedeemBackup
-    )
+    val backupAlert = BackupAlert.CouldNotRedeemBackup
+    val primaryActionButtonState = rememberPrimaryAction(backupAlert) { }
+    val secondaryActionButtonState = rememberSecondaryAction(backupAlert) { }
+
+    AlertContainer(backupAlert, primaryActionButtonState, secondaryActionButtonState)
   }
 }
 
@@ -564,9 +513,11 @@ private fun BackupAlertSheetContentPreviewCouldNotRedeemBackup() {
 @Composable
 private fun BackupAlertSheetContentPreviewSubscriptionExpired() {
   Previews.BottomSheetPreview {
-    BackupAlertSheetContent(
-      backupAlert = BackupAlert.ExpiredAndDowngraded
-    )
+    val backupAlert = BackupAlert.ExpiredAndDowngraded
+    val primaryActionButtonState = rememberPrimaryAction(backupAlert) { }
+    val secondaryActionButtonState = rememberSecondaryAction(backupAlert) { }
+
+    AlertContainer(backupAlert, primaryActionButtonState, secondaryActionButtonState)
   }
 }
 
diff --git a/app/src/main/java/org/thoughtcrime/securesms/backup/v2/ui/BackupAlertDelegate.kt b/app/src/main/java/org/thoughtcrime/securesms/backup/v2/ui/BackupAlertDelegate.kt
index f51b0c7a36..e068826a36 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/backup/v2/ui/BackupAlertDelegate.kt
+++ b/app/src/main/java/org/thoughtcrime/securesms/backup/v2/ui/BackupAlertDelegate.kt
@@ -33,6 +33,9 @@ object BackupAlertDelegate {
           BackupAlertBottomSheet.create(BackupAlert.CouldNotCompleteBackup(daysSinceLastBackup = SignalStore.backup.daysSinceLastBackup)).show(fragmentManager, FRAGMENT_TAG)
         } else if (BackupRepository.shouldDisplayBackupExpiredAndDowngradedSheet()) {
           BackupAlertBottomSheet.create(BackupAlert.ExpiredAndDowngraded).show(fragmentManager, FRAGMENT_TAG)
+        } else if (BackupRepository.shouldDisplayNoManualBackupForTimeoutSheet()) {
+          NoManualBackupBottomSheet().show(fragmentManager, FRAGMENT_TAG)
+          BackupRepository.displayManualBackupNotCreatedInThresholdNotification()
         }
 
         displayBackupDownloadNotifier(fragmentManager)
diff --git a/app/src/main/java/org/thoughtcrime/securesms/backup/v2/ui/BackupAlertSheetComponents.kt b/app/src/main/java/org/thoughtcrime/securesms/backup/v2/ui/BackupAlertSheetComponents.kt
new file mode 100644
index 0000000000..c517e47534
--- /dev/null
+++ b/app/src/main/java/org/thoughtcrime/securesms/backup/v2/ui/BackupAlertSheetComponents.kt
@@ -0,0 +1,226 @@
+/*
+ * Copyright 2025 Signal Messenger, LLC
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+package org.thoughtcrime.securesms.backup.v2.ui
+
+import androidx.compose.foundation.Image
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.defaultMinSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.shape.CircleShape
+import androidx.compose.material3.Icon
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextButton
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.Immutable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.vector.ImageVector
+import androidx.compose.ui.res.dimensionResource
+import androidx.compose.ui.res.vectorResource
+import androidx.compose.ui.text.AnnotatedString
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.unit.dp
+import org.signal.core.ui.compose.BottomSheets
+import org.signal.core.ui.compose.Buttons
+import org.signal.core.ui.compose.Previews
+import org.signal.core.ui.compose.SignalPreview
+import org.thoughtcrime.securesms.R
+import org.signal.core.ui.R as CoreUiR
+
+/**
+ * Container for a backup alert sheet.
+ *
+ * Primary action padding will change depending on presence of secondary action.
+ */
+@Composable
+fun BackupAlertBottomSheetContainer(
+  icon: @Composable () -> Unit,
+  title: String,
+  primaryActionButtonState: BackupAlertActionButtonState,
+  secondaryActionButtonState: BackupAlertActionButtonState? = null,
+  content: @Composable () -> Unit
+) {
+  Column(
+    horizontalAlignment = Alignment.CenterHorizontally,
+    modifier = Modifier
+      .fillMaxWidth()
+      .padding(horizontal = dimensionResource(id = CoreUiR.dimen.gutter))
+  ) {
+    BottomSheets.Handle()
+
+    Spacer(modifier = Modifier.size(26.dp))
+
+    icon()
+
+    BackupAlertTitle(title = title)
+
+    content()
+
+    BackupAlertPrimaryActionButton(
+      text = primaryActionButtonState.label,
+      onClick = primaryActionButtonState.callback,
+      modifier = Modifier.padding(
+        bottom = if (secondaryActionButtonState != null) {
+          16.dp
+        } else {
+          56.dp
+        }
+      )
+    )
+
+    if (secondaryActionButtonState != null) {
+      BackupAlertSecondaryActionButton(
+        text = secondaryActionButtonState.label,
+        onClick = secondaryActionButtonState.callback
+      )
+    }
+  }
+}
+
+/**
+ * Backup alert sheet icon for the top of the sheet, vector only.
+ */
+@Composable
+fun BackupAlertIcon(
+  iconColors: BackupsIconColors
+) {
+  Icon(
+    imageVector = ImageVector.vectorResource(id = R.drawable.symbol_backup_light),
+    contentDescription = null,
+    tint = iconColors.foreground,
+    modifier = Modifier
+      .size(80.dp)
+      .background(color = iconColors.background, shape = CircleShape)
+      .padding(20.dp)
+  )
+}
+
+/**
+ * Backup alert sheet image for the top of the sheet displaying a backup icon and alert indicator.
+ */
+@Composable
+fun BackupAlertImage() {
+  Box {
+    Image(
+      imageVector = ImageVector.vectorResource(id = R.drawable.image_signal_backups),
+      contentDescription = null,
+      modifier = Modifier
+        .size(80.dp)
+        .padding(2.dp)
+    )
+    Icon(
+      imageVector = ImageVector.vectorResource(R.drawable.symbol_error_circle_fill_24),
+      contentDescription = null,
+      tint = MaterialTheme.colorScheme.error,
+      modifier = Modifier.align(Alignment.TopEnd)
+    )
+  }
+}
+
+@Composable
+private fun BackupAlertTitle(
+  title: String
+) {
+  Text(
+    text = title,
+    style = MaterialTheme.typography.titleLarge,
+    textAlign = TextAlign.Center,
+    modifier = Modifier.padding(top = 16.dp, bottom = 6.dp)
+  )
+}
+
+/**
+ * Properly styled Text for Backup Alert sheets
+ */
+@Composable
+fun BackupAlertText(
+  text: String,
+  modifier: Modifier = Modifier
+) {
+  Text(
+    text = text,
+    style = MaterialTheme.typography.bodyLarge,
+    color = MaterialTheme.colorScheme.onSurfaceVariant,
+    textAlign = TextAlign.Center,
+    modifier = modifier
+  )
+}
+
+/**
+ * Properly styled Text for Backup Alert sheets
+ */
+@Composable
+fun BackupAlertText(
+  text: AnnotatedString,
+  modifier: Modifier = Modifier
+) {
+  Text(
+    text = text,
+    style = MaterialTheme.typography.bodyLarge,
+    color = MaterialTheme.colorScheme.onSurfaceVariant,
+    textAlign = TextAlign.Center,
+    modifier = modifier
+  )
+}
+
+@Composable
+private fun BackupAlertPrimaryActionButton(
+  text: String,
+  onClick: () -> Unit,
+  modifier: Modifier = Modifier
+) {
+  Buttons.LargeTonal(
+    onClick = onClick,
+    modifier = Modifier
+      .defaultMinSize(minWidth = 220.dp)
+      .then(modifier)
+  ) {
+    Text(text = text)
+  }
+}
+
+@Composable
+private fun BackupAlertSecondaryActionButton(
+  text: String,
+  onClick: () -> Unit
+) {
+  TextButton(
+    onClick = onClick,
+    modifier = Modifier.padding(bottom = 32.dp)
+  ) {
+    Text(text = text)
+  }
+}
+
+@SignalPreview
+@Composable
+private fun BackupAlertBottomSheetContainerPreview() {
+  Previews.BottomSheetPreview {
+    BackupAlertBottomSheetContainer(
+      icon = { BackupAlertIcon(iconColors = BackupsIconColors.Warning) },
+      title = "Test backup alert",
+      primaryActionButtonState = BackupAlertActionButtonState("Test Primary", callback = {}),
+      secondaryActionButtonState = BackupAlertActionButtonState("Test Secondary", callback = {})
+    ) {
+      BackupAlertText(text = "Content", modifier = Modifier.padding(bottom = 60.dp))
+    }
+  }
+}
+
+/**
+ * Immutable state class for alert sheet actions.
+ */
+@Immutable
+data class BackupAlertActionButtonState(
+  val label: String,
+  val callback: () -> Unit
+)
diff --git a/app/src/main/java/org/thoughtcrime/securesms/backup/v2/ui/NoManualBackupBottomSheet.kt b/app/src/main/java/org/thoughtcrime/securesms/backup/v2/ui/NoManualBackupBottomSheet.kt
new file mode 100644
index 0000000000..0a735b42c6
--- /dev/null
+++ b/app/src/main/java/org/thoughtcrime/securesms/backup/v2/ui/NoManualBackupBottomSheet.kt
@@ -0,0 +1,82 @@
+/*
+ * Copyright 2025 Signal Messenger, LLC
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+package org.thoughtcrime.securesms.backup.v2.ui
+
+import androidx.compose.foundation.layout.padding
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.remember
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.res.pluralStringResource
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.unit.dp
+import org.signal.core.ui.compose.Previews
+import org.signal.core.ui.compose.SignalPreview
+import org.thoughtcrime.securesms.R
+import org.thoughtcrime.securesms.components.settings.app.AppSettingsActivity
+import org.thoughtcrime.securesms.compose.ComposeBottomSheetDialogFragment
+import org.thoughtcrime.securesms.jobs.BackupMessagesJob
+import org.thoughtcrime.securesms.keyvalue.SignalStore
+import kotlin.time.Duration
+import kotlin.time.Duration.Companion.days
+import kotlin.time.Duration.Companion.milliseconds
+
+/**
+ * Displays an alert to the user if they've passed a given threshold without
+ * performing a manual backup.
+ */
+class NoManualBackupBottomSheet : ComposeBottomSheetDialogFragment() {
+  @Composable
+  override fun SheetContent() {
+    val durationSinceLastBackup = remember {
+      System.currentTimeMillis().milliseconds - SignalStore.backup.lastBackupTime.milliseconds
+    }
+
+    NoManualBackupSheetContent(
+      durationSinceLastBackup = durationSinceLastBackup,
+      onBackUpNowClick = {
+        BackupMessagesJob.enqueue()
+        startActivity(AppSettingsActivity.remoteBackups(requireActivity()))
+        dismissAllowingStateLoss()
+      },
+      onNotNowClick = this::dismissAllowingStateLoss
+    )
+  }
+}
+
+@Composable
+private fun NoManualBackupSheetContent(
+  durationSinceLastBackup: Duration,
+  onBackUpNowClick: () -> Unit = {},
+  onNotNowClick: () -> Unit = {}
+) {
+  val primaryActionLabel = stringResource(R.string.BackupAlertBottomSheet__back_up_now)
+  val primaryAction = remember { BackupAlertActionButtonState(primaryActionLabel, onBackUpNowClick) }
+  val secondaryActionLabel = stringResource(android.R.string.cancel)
+  val secondaryAction = remember { BackupAlertActionButtonState(secondaryActionLabel, onNotNowClick) }
+  val days: Int = durationSinceLastBackup.inWholeDays.toInt()
+
+  BackupAlertBottomSheetContainer(
+    icon = { BackupAlertIcon(iconColors = BackupsIconColors.Warning) },
+    title = pluralStringResource(R.plurals.NoManualBackupBottomSheet__no_backup_for_d_days, days, days),
+    primaryActionButtonState = primaryAction,
+    secondaryActionButtonState = secondaryAction
+  ) {
+    BackupAlertText(
+      text = pluralStringResource(R.plurals.NoManualBackupBottomSheet__you_have_not_completed_a_backup, days, days),
+      modifier = Modifier.padding(bottom = 38.dp)
+    )
+  }
+}
+
+@SignalPreview
+@Composable
+private fun NoManualBackupSheetContentPreview() {
+  Previews.BottomSheetPreview {
+    NoManualBackupSheetContent(
+      durationSinceLastBackup = 30.days
+    )
+  }
+}
diff --git a/app/src/main/java/org/thoughtcrime/securesms/keyvalue/BackupValues.kt b/app/src/main/java/org/thoughtcrime/securesms/keyvalue/BackupValues.kt
index f2c661b97e..3bca9202b1 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/keyvalue/BackupValues.kt
+++ b/app/src/main/java/org/thoughtcrime/securesms/keyvalue/BackupValues.kt
@@ -7,6 +7,7 @@ import org.signal.core.util.logging.Log
 import org.thoughtcrime.securesms.backup.DeletionState
 import org.thoughtcrime.securesms.backup.RestoreState
 import org.thoughtcrime.securesms.backup.v2.BackupFrequency
+import org.thoughtcrime.securesms.backup.v2.BackupRepository
 import org.thoughtcrime.securesms.backup.v2.MessageBackupTier
 import org.thoughtcrime.securesms.jobmanager.impl.NoRemoteArchiveGarbageCollectionPendingConstraint
 import org.thoughtcrime.securesms.jobmanager.impl.RestoreAttachmentConstraintObserver
@@ -72,6 +73,7 @@ class BackupValues(store: KeyValueStore) : SignalStoreValues(store) {
     private const val KEY_BACKUP_ALREADY_REDEEMED = "backup.already.redeemed"
     private const val KEY_INVALID_BACKUP_VERSION = "backup.invalid.version"
     private const val KEY_NOT_ENOUGH_REMOTE_STORAGE_SPACE = "backup.not.enough.remote.storage.space"
+    private const val KEY_MANUAL_NO_BACKUP_NOTIFIED = "backup.manual.no.backup.notified"
 
     private const val KEY_USER_MANUALLY_SKIPPED_MEDIA_RESTORE = "backup.user.manually.skipped.media.restore"
     private const val KEY_BACKUP_EXPIRED_AND_DOWNGRADED = "backup.expired.and.downgraded"
@@ -115,6 +117,8 @@ class BackupValues(store: KeyValueStore) : SignalStoreValues(store) {
     get() = getLong(KEY_LAST_BACKUP_TIME, -1)
     set(value) {
       putLong(KEY_LAST_BACKUP_TIME, value)
+      isNoBackupForManualUploadNotified = false
+      BackupRepository.cancelManualBackupNotCreatedInThresholdNotification()
       clearMessageBackupFailureSheetWatermark()
     }
 
@@ -317,6 +321,8 @@ class BackupValues(store: KeyValueStore) : SignalStoreValues(store) {
 
   var isNotEnoughRemoteStorageSpace by booleanValue(KEY_NOT_ENOUGH_REMOTE_STORAGE_SPACE, false)
 
+  var isNoBackupForManualUploadNotified by booleanValue(KEY_MANUAL_NO_BACKUP_NOTIFIED, false)
+
   /**
    * If true, it means we have been told that remote storage is full, but we have not yet run any of our "garbage collection" tasks, like committing deletes
    * or pruning orphaned media.
diff --git a/app/src/main/java/org/thoughtcrime/securesms/notifications/NotificationIds.java b/app/src/main/java/org/thoughtcrime/securesms/notifications/NotificationIds.java
index fd61eae3d6..00fa84dcee 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/notifications/NotificationIds.java
+++ b/app/src/main/java/org/thoughtcrime/securesms/notifications/NotificationIds.java
@@ -36,6 +36,7 @@ public final class NotificationIds {
   public static final int NEW_LINKED_DEVICE                 = 120400;
   public static final int OUT_OF_REMOTE_STORAGE             = 120500;
   public static final int INITIAL_BACKUP_FAILED             = 120501;
+  public static final int MANUAL_BACKUP_NOT_CREATED         = 120502;
 
   private NotificationIds() { }
 
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 2f1e7898b1..9a878c9324 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -8076,6 +8076,18 @@
     <!-- Educational bottom sheet confirm/dismiss button text shown to notify about delete syncs causing deletes to happen across all devices -->
     <string name="DeleteSyncEducation_acknowledge_button">OK</string>
 
+    <!-- NoManualBackupBottomSheet -->
+    <!-- Title for bottom sheet, placeholder is number of days. -->
+    <plurals name="NoManualBackupBottomSheet__no_backup_for_d_days">
+        <item quantity="one">No backup for %1$d day</item>
+        <item quantity="other">No backup for %1$d days</item>
+    </plurals>
+    <!-- Body for bottom sheet, placeholder is number of days. -->
+    <plurals name="NoManualBackupBottomSheet__you_have_not_completed_a_backup">
+        <item quantity="one">You haven\'t completed a backup for %1$d day. To ensure your messages and media are preserved, create a backup now.</item>
+        <item quantity="other">You haven\'t completed a backup for %1$d days. To ensure your messages and media are preserved, create a backup now.</item>
+    </plurals>
+
     <!-- BackupsSettingsFragment -->
     <!-- Subtitle for row for active backup, first placeholder is formatted amount, second is renewal date -->
     <string name="BackupsSettingsFragment_s_month_renews_s">%1$s/month, renews %2$s</string>
@@ -8617,6 +8629,16 @@
     <string name="Notification_backup_failed">Backup failed</string>
     <!-- Notification body for when initial backup failed -->
     <string name="Notification_an_error_occurred_and_your_backup">An error occurred and your backup could not be completed. Tap for details.</string>
+    <!-- Notification title for when manual backup hasn't been created within threshold. Placeholder is number of days. -->
+    <plurals name="Notification_no_backup_for_d_days">
+        <item quantity="one">No backup for %1$d day</item>
+        <item quantity="other">No backup for %1$d days</item>
+    </plurals>
+    <!-- Notification body for when manual backup hasn't been created within threshold. Placeholder is number of days. -->
+    <plurals name="Notification_you_have_not_completed_a_backup">
+        <item quantity="one">You haven’t completed a backup for %1$d day. Create a backup now.</item>
+        <item quantity="other">You haven’t completed a backup for %1$d days. Create a backup now.</item>
+    </plurals>
 
     <!-- EOF -->
 </resources>