Don't know how to dim the display (Android)

Swipe down from the top of the screen -> Move the slider to the left to dim the display

1. Go to Settings -> Display
   
       
   
   
2. Tap Brightness -> Dim the display by moving the slider to the left
   
   

          


Note: You can also activate the Adaptive brightness feature, which will automatically adjust the level of brightness according to the lightning conditions.