Getting started
Basic use
Calls and contacts
Messaging
Apps and media
Connectivity
Specifications
Cause 1 of 2: There's an error in the operating system on your phone
If your phone freezes, it may help restarting it.
Solution: Restart your phone.
Restart your phone
Press and hold On/Off.
Simultaneously, press and hold the lower part of the Volume key and keep them both pressed until your phone restarts.
Or choose...
