Released on September 19, 2014, this 4.7" screen iPhone is the smaller version of the iPhone 6 Plus.

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Auto Brightness Button Missing

Hey,

my iPhone doesn't seem to have any Auto Brightness ability anymore ...

Even the Setup App does not show any signs of the Auto Brightness Button.

Can anybody suggest a solution?

Answer this question I have this problem too

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Did you recently do (or have) a repair on the device?

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no, i never had any repairs on this device.

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try the soft reset trick ... hold home button and power at the same time until you see the apple logo then release... might help, worth a try... if that don't work try updating... if you can't do that because of JB, that its probably the JB that is causing it

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tried all that. I even resetter the phone, but with no luck so far.

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Hi what is you iPhone generation ?

You might just have to change the front flex (with front camera, etc...) (if we are talking about and >5 iPhone).

Try it, and tell us what happens.

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It's an iPhone 6.

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I can't say I have ever seen this first hand, so let me tell you how I would go about diagnosing it:

1. Hard reset. (you did this, it didn't help)

2. Put the phone into recovery mode and connect it to your computer. In iTunes, set it up as a new device. You can back it up before this step if you don't want to lose any data. This *should* tell you if its a hardware or software issue and software is easier to fix than hardware. If it works after this, great.

3. Take the display off your phone and see if the prox sensor got knocked off the screen. It should look like this:

https://d3nevzfk7ii3be.cloudfront.net/ig...

If it got knocked loose, stick it back on and you are good to go.

4. If all that failed, its probably a bad sensor. It happens. Its probably a $.03 part when Apple buys it. Buy a new front camera/sensor flex and put it on. Its a super easy repair.

So...eliminate software, then troubleshoot hardware easiest to hardest.

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