![Apple iPhone 15 Plus](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-1a0997b7-c1c5-477c-a898-6641aef956f8.png?width=150&height=320)
Apple iPhone 15 Plus
iOS 17
1. Find "Display & Brightness"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-b7dd447f-926b-4252-aa91-157e0833cc72.png?width=212&height=458)
Press Display & Brightness.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-887004f2-e129-440e-a621-d08a9e522ae1.png?width=212&height=458)
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/7151223-f-dd21485e-59f5-4370-99c8-af6524e85ccb.png?width=212&height=458)
Press arrow left.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-dd21485e-59f5-4370-99c8-af6524e85ccb.png?width=212&height=458)
3. Turn automatic brightness on or off
Press Accessibility.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-3037a794-a4d8-4556-8f67-0619def52daa.png?width=212&height=458)
Press Display & Text Size.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-9ece41b4-742c-464f-9362-dd13b80ecb65.png?width=212&height=458)
Press the indicator next to "Auto-Brightness" to turn the function on or off.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-825f66ba-1e9d-49db-98eb-9c0955b4ce09.png?width=212&height=458)
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/7151223-f-825f66ba-1e9d-49db-98eb-9c0955b4ce09.png?width=212&height=458)