Choosing a message tone for my mobile phone
List of display icons
Installing and using apps from App Store
Uploading pictures or video clips to social network sites
Turning GPS 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
Press and hold the Home key and On/Off simultaneously until your mobile phone restarts.
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