Don't know how to make the screen brighter (Android)

Swipe down from the top of the screen -> Move the slider to the right to brighten the display

1. Go to Settings -> Display
   
       
   
   
2. Tap Brightness -> Brighten 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.