Device Guides
I can't use one of my apps
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.
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1. 1. Restart your mobile phone
Remove the battery for about 10-15 seconds.
Turn on your mobile phone again.
Turn on your mobile phone again.