![Apple iPhone 15](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-a654d9cc-596c-4fac-b8d7-edf9fdffcc9e.png?width=150&height=320)
Apple iPhone 15
iOS 17
1. Find "Display & Brightness"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-d816297e-2fb8-4301-898b-43f581324aa6.png?width=212&height=458)
Press Display & Brightness.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-ff1ea4d5-a0cb-4d51-83b9-20d336745439.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-d6b19d37-677e-4d9e-926a-3a4b296b2a1f.png?width=212&height=458)
Press arrow left.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-d6b19d37-677e-4d9e-926a-3a4b296b2a1f.png?width=212&height=458)
3. Turn automatic brightness on or off
Press Accessibility.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-ff1ea4d5-a0cb-4d51-83b9-20d336745439.png?width=212&height=458)
Press Display & Text Size.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-4056eaa2-44d9-49c9-b1e6-e988229b4ebb.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-a7e71467-a71d-45d4-adcf-de05a656e875.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-a7e71467-a71d-45d4-adcf-de05a656e875.png?width=212&height=458)