Checking PIN and IMEI number on my mobile phone
Copying contacts between my SIM and my mobile phone
Using Twitter on my mobile phone
Downloading and using applications from App World
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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