Getting started
Basic use
Calls and contacts
Messaging
Apps and media
Connectivity
Specifications
Cause 3 of 4: There's a connection error
If your phone doesn't receive any calls when someone calls you, it may be caused by an unknown connection error.
Solution: Restart your phone.
Restart your phone
Press On/Off.
Simultaneously, press and hold the lower part of the Volume key and keep them both pressed until your phone restarts.
Or choose...