A. 1. Check for app updates: Make sure you are using the latest version of iVueit. Go to the Google Play Store and update if necessary. 2. Clear app data: Go to Settings > Apps > iVueit > Storage > Clear Data. This will reset the app and may resolve the issue. Note that this will erase any saved settings.

B. 3. Disable battery optimization: Go to Settings > Battery > Battery Optimization, find iVueit, and select 'Don't optimize'. This can help prevent the app from closing unexpectedly.