A. 1. Ensure all users are on the same version: Make sure you and your friends are using the latest version of Rave. 2. Restart the app: Close Rave and reopen it to refresh the synchronization. 3. Check internet connection: Ensure that all users have stable internet connections.

B. 4. Use the 'Sync' feature: If available, use any built-in synchronization features within the app to ensure everyone is watching together.