Device Guides
My mobile phone doesn't respond
This troubleshooting guide will take you through a number of possible causes to help you find a solution to your problem.
Possible cause 3:
There's an error in the operating system on your mobile phone: Restart your mobile phone.
List view
1. Restart your mobile phone
Tap and hold On/Off.
At the same time, tap and hold the lower part of the Volume key until your mobile phone restarts.