Change screen brightness
You can adjust the screen brightness to your surroundings.
Find "Brightness level"
Slide two fingers downwards starting from the top the screen.
Tap the settings icon.
Tap Brightness level.
Adjust screen brightness
Drag the brightness indicator right or left to select the required brightness level.
Tap Adaptive brightness.
Tap the indicator next to "Adaptive brightness" to turn automatic brightness on or off.
Return to the home screen
Slide your finger upwards starting from the bottom of the screen to return to the home screen.