Increase screen brightness to make reading the screen easier, or decrease the brightness level to reduce eye strain.
Home screen, tap
Brightness level. Drag the slider to set the maximum brightness you want for your screen.
Tip: Adaptive brightness, which is turned on by default, automatically changes the screen brightness to suit your lighting condition. It may exceed the maximum level that you've manually set. To turn this feature off, tap
Adaptive brightness, and then tap the