Installing Facebook on my mobile phone
Activating a Microsoft account on my mobile phone
Turning my mobile phone on and off
Turning Wi-Fi on my mobile phone on or off
Returning my mobile phone to standby mode
Your mobile phone may not react due to overload or errors in the operating system. If this happens, it might help to restart your mobile phone.
Restart your mobile phone
Remove the battery for about 10-15 seconds.
Turn on your mobile phone.
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