Calls and contacts
Apps and media
Cause 2 of 4: There's an error in the operating system on your phone
If there's an error in the operating system on your phone, it may help restarting it.
Solution: Restart your phone.
Restart your phone
Press and hold On/Off.
Simultaneously press and hold the upper part of the Volume key and keep them both pressed until your phone is turned off.
Reset my password