8 steps how to fix auto-brightness issues on iOS 6. Ambient light sensor readings got quite a bit of an overhaul in iOS 6, and now include Lock screen auto-brightness and better memory management. This has lead to many people experiencing issues with auto-brightness settings. iPhone 5 users in particular seem to be having trouble. If your auto-brightness isn't working under iOS 6, here's how to reset it and get it back in gear.

1. Go into a dimly lit or dark room.
2. Launch the Settings app from the Home screen of your iPhone, iPad, or iPod touch.
3. Tap on Brightness & Wallpaper.
4. Turn the auto-brightness setting to Off.
5. Adjust the brightness slider to the level you would like your screen brightness to be at in the given environment. For instance, if you're in a completely dark room, you'll probably want to put the slider all the way to low or pretty close to all the way down.
6. Turn the auto-brightness setting to On again.
7. Now flip on a light switch.
8. Watch the brightness slider move upwards to adjust to the new light entering the sensor.

How to fix auto-brightness issues on iOs 6

There is 8 steps how to fix auto-brightness issues on iOs 6. As long as the brightness slider is moving on its own, you have successfully re-calibrated the sensor and it should work properly from here on out.