Read help info
You can adjust the screen brightness to your surroundings.
1. Find "Display & Brightness"
Press Display & Brightness.
2. Adjust screen brightness
Press the indicator next to "Auto-Brightness" to turn automatic brightness on or off.
If you turn off the function, slide the brightness indicator right or left to select the required brightness.
3. Return to the home screen
Press the Home key to return to the home screen.