How To Adjust Brightness - iPhone 5S
Learn how to adjust brightness on your iPhone 5s.
- Dim the screen to extend battery life, or use Auto-Brightness.
- Adjust the screen brightness. Go to Settings > Brightness & Wallpaper and drag the slider.
If Auto-Brightness is on, iPhone adjusts the screen brightness for current light conditions using the built-in ambient light sensor. You can also adjust the screen brightness in Control Center.