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 2:
There's an error in the operating system on your mobile phone: Restart your mobile phone.
List view
1. Restart your mobile phone
At the same time, tap the Side key and the lower part of the Volume key and keep them both tapped until your mobile phone restarts.