Sixth iteration of Apple iPhone, announced on September 12, 2012. Repair of this device is similar to the previous models, requiring screwdrivers and prying tools. Available as GSM or CDMA / 16, 32, or 64 GB / Black or White.

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Auto brighness toggle is missing after updating the iOS

After updating my iphone from iOS 8 to iOS 9.1 the auto brightness toggle went missing. It is not appearing in Settings-> Display&Brightness or anywhere else in Settings. I have tried DFU Restore, Reset all settings, hard restart and still it is missing. I’ve updated to iOS 9.3 but still no result. With the slider for brightness I can change the brightness and it is working fine.

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Chosen Solution

I remember having solved this on an iPhone 4S, the problem was not in the light sensor, was another piece that was giving short circuit on the plate.

Incredibly, it was solved by changing the flex charger, which has nothing to do, but he was giving a short circuit, which did not work to the brightness sensor.

Try disconnecting the flex power and flex charger and see if it works.

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I have just changed the flex charger cabel and made DFU restore but still missing the auto brightness.

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You need change this flex

This flex have a sensor brightness,

If you change this flex, but don't fix, is a problem in the board.

iPhone 5 Front Camera and Sensor Cable

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Changing the flex cabel with front camera and sensors plus iTunes restore helped me. Thanks

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Most Helpful Answer

Have you tried placing the phone into iTunes mode and then restoring the device through iTunes?

If this hasn't worked, all sources point to this being logic board failure and may need to be returned to Apple.

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Yes I have tried this but still missing. :(

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I have the same problem ... I've updated my iphone 5 from ios 9.0.2 jailbroken where it had the auto brightness setting to ios 9.3.2 and now is just missing

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