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 1:
There's an error in the operating system on your mobile phone: Restart your mobile phone.
List view
1. Restart your mobile phone
Press the Top volume key.
Press the Bottom volume key.
Press and hold On/Off until your phone restarts.