Change screen brightness
You can adjust the screen brightness to your surroundings.
Find "Display & Brightness"
Tap Display & Brightness.
Adjust screen brightness
Tap and drag the indicator below "BRIGHTNESS" right or left to select the required brightness level.
Tap arrow left.
Turn automatic brightness on or off
Tap Display Accommodations.
Tap the indicator next to "Auto-Brightness" to turn the function on or off.
Return to the home screen
Tap the Home key to return to the home screen.