Transferring files between a computer and my mobile phone
Using the radio on my mobile phone
Turning NFC on my mobile phone on or off
List of display icons
Turning the screen lock on my mobile phone on or off
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 again.
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