Turn GPS on or off
Change screen brightness
List of screen icons
Turn screen lock on or off
Turn data roaming on or off
You can check the software version of your mobile phone. If you don't have the latest software version, it's recommended you update the phone software.
Find "About phone"
Slide your finger downwards starting from the top of the screen.
Tap the settings icon.
Tap About phone.
Check the software version
Your mobile phone's software version is displayed below Android™ version.
Return to the home screen
Tap the Home key to return to the home screen.
Tap anywhere to dismiss
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