![Apple iPhone XR](http://wmstatic.global.ssl.fastly.net/ml/7131224-f-13437dae-2d01-4a5c-8a6b-aa2e5fa445a3.png?width=150&height=320)
Apple iPhone XR
iOS 18
1 Find "Display & Brightness"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7131224-f-9c6ade35-2a62-411b-a5f5-7fa56f0e5780.png?width=206&height=448)
Press Display & Brightness.
![](http://wmstatic.global.ssl.fastly.net/ml/7131224-f-dc2529f5-172f-451a-bf41-307494f5d3ed.png?width=206&height=448)
2 Adjust screen brightness
Press and drag the indicator below "BRIGHTNESS" right or left to select the required brightness level.
![](http://wmstatic.global.ssl.fastly.net/ml/7131224-f-41eb913f-7c85-40c2-82b5-f322c00d0c9c.png?width=206&height=448)
Press arrow left.
![](http://wmstatic.global.ssl.fastly.net/ml/7131224-f-41eb913f-7c85-40c2-82b5-f322c00d0c9c.png?width=206&height=448)
3 Turn automatic brightness on or off
Press Accessibility.
![](http://wmstatic.global.ssl.fastly.net/ml/7131224-f-dc2529f5-172f-451a-bf41-307494f5d3ed.png?width=206&height=448)
Press Display & Text Size.
![](http://wmstatic.global.ssl.fastly.net/ml/7131224-f-9d554810-3067-4448-b8e3-dae3f437cbba.png?width=206&height=448)
Press the indicator next to "Auto-Brightness" to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7131224-f-c724c523-99aa-47a8-b98d-6e197be4c0ff.png?width=206&height=448)
4 Return to the home screen
Slide your finger upwards starting from the bottom of the screen to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7131224-f-c724c523-99aa-47a8-b98d-6e197be4c0ff.png?width=206&height=448)