Turn GPS on or off
Making a video call on my mobile phone using FaceTime
End running applications
Turn screen lock on or off
You can adjust the screen brightness to your surroundings.
Find "Display & Brightness"
Tap Display & Brightness.
Adjust screen brightness
Tap the indicator next to "Auto-Brightness" to turn automatic brightness on or off.
If you turn off the function, tap the indicator above "Auto-Brightness" to select the required brightness.
Return to the home screen
Tap the Home key to return to the home screen.
Tap anywhere to dismiss
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