Turning caller identification on my mobile phone on or off
Restarting my mobile phone
Turning mobile data on my mobile phone on or off
Checking data usage on my mobile phone
Transferring files between a computer and my mobile phone
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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