Turn GPS on or off
Change screen brightness
Turn screen lock on or off
List of screen icons
Turn silent mode on or off
It's important to find out if you can make a call. If you can't make a call, you need to solve this problem first. When the problem is solved, you will most likely also be able to use your mobile phone's internet connection.
Share this article via email! Just fill in these details and the characters in the box.
Fields marked with * are mandatory.