A. 1. Check app settings: Go to Muzz settings and look for any options related to message storage or auto-delete features. Ensure that these settings are configured correctly. 2. Clear app cache: Go to Settings > Apps > Muzz > Storage > Clear Cache. This can help resolve issues with message storage.

B. 3. Reinstall the app: Uninstall Muzz and then reinstall it from the Google Play Store to ensure you have a fresh version of the app.