diff --git a/native/backup/use-client-backup.js b/native/backup/use-client-backup.js
--- a/native/backup/use-client-backup.js
+++ b/native/backup/use-client-backup.js
@@ -14,8 +14,8 @@
 import { useSelector } from '../redux/redux-utils.js';
 
 type ClientBackup = {
-  +createFullBackup: () => Promise<void>,
-  +createUserKeysBackup: () => Promise<void>,
+  +createFullBackup: () => Promise<string>,
+  +createUserKeysBackup: () => Promise<string>,
   +retrieveLatestBackupInfo: () => Promise<LatestBackupInfo>,
 };
 
@@ -33,7 +33,7 @@
     }
 
     const backupSecret = await getBackupSecret();
-    await commCoreModule.createFullBackup(backupSecret);
+    return commCoreModule.createFullBackup(backupSecret);
   }, [loggedIn, currentUserID, getBackupSecret]);
 
   const createUserKeysBackup = React.useCallback(async () => {
@@ -42,7 +42,7 @@
     }
 
     const backupSecret = await getBackupSecret();
-    await commCoreModule.createUserKeysBackup(backupSecret);
+    return commCoreModule.createUserKeysBackup(backupSecret);
   }, [loggedIn, currentUserID, getBackupSecret]);
 
   const retrieveLatestBackupInfo = React.useCallback(async () => {
diff --git a/native/native_rust_library/src/backup/compaction_upload_promises.rs b/native/native_rust_library/src/backup/compaction_upload_promises.rs
--- a/native/native_rust_library/src/backup/compaction_upload_promises.rs
+++ b/native/native_rust_library/src/backup/compaction_upload_promises.rs
@@ -1,4 +1,4 @@
-use crate::handle_void_result_as_callback;
+use crate::handle_string_result_as_callback;
 use lazy_static::lazy_static;
 use std::{collections::HashMap, sync::Mutex};
 
@@ -20,5 +20,11 @@
   let Some(promise_id) = backups_to_promises.remove(backup_id) else {
     return;
   };
-  handle_void_result_as_callback(result, promise_id);
+
+  let result_with_id: Result<String, String> = match result {
+    Ok(_) => Ok(backup_id.to_string()),
+    Err(e) => Err(e),
+  };
+
+  handle_string_result_as_callback(result_with_id, promise_id);
 }
diff --git a/native/profile/backup-menu.react.js b/native/profile/backup-menu.react.js
--- a/native/profile/backup-menu.react.js
+++ b/native/profile/backup-menu.react.js
@@ -43,9 +43,10 @@
     useClientBackup();
 
   const uploadBackup = React.useCallback(async () => {
-    let message = 'Success';
+    let message;
     try {
-      await createFullBackup();
+      const backupID = await createFullBackup();
+      message = `Success!\n` + `Backup ID: ${backupID}`;
     } catch (e) {
       message = `Backup upload error: ${String(getMessageForException(e))}`;
       console.error(message);
@@ -54,9 +55,10 @@
   }, [createFullBackup]);
 
   const uploadUserKeys = React.useCallback(async () => {
-    let message = 'Success';
+    let message;
     try {
-      await createUserKeysBackup();
+      const backupID = await createUserKeysBackup();
+      message = `Success!\n` + `Backup ID: ${backupID}`;
     } catch (e) {
       message = `User Keys upload error: ${String(getMessageForException(e))}`;
       console.error(message);
diff --git a/native/schema/CommCoreModuleSchema.js b/native/schema/CommCoreModuleSchema.js
--- a/native/schema/CommCoreModuleSchema.js
+++ b/native/schema/CommCoreModuleSchema.js
@@ -156,8 +156,8 @@
   +clearCommServicesAccessToken: () => Promise<void>;
   +startBackupHandler: () => void;
   +stopBackupHandler: () => void;
-  +createUserKeysBackup: (backupSecret: string) => Promise<void>;
-  +createFullBackup: (backupSecret: string) => Promise<void>;
+  +createUserKeysBackup: (backupSecret: string) => Promise<string>;
+  +createFullBackup: (backupSecret: string) => Promise<string>;
   +restoreBackup: (
     backupSecret: string,
     maxVersion: string,