Adjusting the Brightness

image

The iPhone screen is very bright, and it automatically adjusts under certain conditions to conserve battery life. But, if you want to manually adjust the brightness, you can. Tap the Brightness button in the Settings screen and drag the slider to the left to make the screen dimmer or to the right to make it brighter. You can also turn off Auto-Brightness if you like by tapping on the ON/OFF button.

Get The iPhone Book: Covers iPhone 4S, iPhone 4, and iPhone 3GS, Fifth Edition now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.