![Samsung Galaxy A21s](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-bb012320-6a9f-40ba-a3de-77ccaf7d7d42.png?width=150&height=320)
Samsung Galaxy A21s
Android 10.0
1. Find "Display"
Slide two fingers downwards starting from the top of the screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-b9c8b03a-d135-4442-a454-47ec9b04fe4b.png?width=200&height=448)
Press the settings icon.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-1b5f071f-b0d5-4458-9d57-1d5ca8b427dc.png?width=200&height=448)
Press Display.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-53ca99f3-6424-4b3d-9d7a-ab5c1c9d9ced.png?width=200&height=448)
2. Adjust screen brightness
Press the indicator next to "Adaptive brightness" to turn automatic brightness on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-e03f2c41-164c-436d-8ee9-d8a7482dea03.png?width=200&height=448)
Drag the indicator right or left to set the brightness manually.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-e03f2c41-164c-436d-8ee9-d8a7482dea03.png?width=200&height=448)
3. Return to the home screen
Press the Home key to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-e03f2c41-164c-436d-8ee9-d8a7482dea03.png?width=200&height=448)