Set up your mobile phone for internet
Turn data roaming on or off
Restart mobile phone
Change screen brightness
Turn silent mode on or off
You can adjust the screen brightness to your surroundings.
Adjust screen brightness
Slide your finger upwards starting from the bottom of the screen.
Tap A to turn automatic brightness on or off.
Drag the brightness indicator right or left to select the required brightness level.
Return to the home screen
Tap the Home key to return to the home screen.
Tap anywhere to dismiss
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