Device Guides
I can't make voice calls
This troubleshooting guide will take you through a number of possible causes to help you find a solution to your problem.
Possible cause 5:
Your mobile phone is overloaded for unknown reasons: Restart your mobile phone.
List view
1. Restart your mobile phone
Tap and hold On/Off.
At the same time, tap and hold the upper part of the Volume key until your mobile phone is restarted.