Calls and contacts
Apps and media
Cause 1 of 2: Temporary data takes up too much memory
If temporary data takes up too much memory, the phone memory fills up quickly when e.g. taking pictures or downloading music.
Solution: Delete temporary data.
Press Apps & notifications.
Delete temporary data
Press the required app.
Press CLEAR CACHE.
Return to the home screen
Press the Home key to return to the home screen.