Find "Display & Brightness"
Press Settings.
Press Display & Brightness.
Set display brightness
Press the indicator next to "Auto-Brightness" to turn the function on or off.
If you turn off the function:
Drag the indicator above "Auto-Brightness" right or left to select the required setting.
Drag the indicator above "Auto-Brightness" right or left to select the required setting.
Return to the home screen
Press the Home key to return to the home screen.
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