Fourth generation iPhone. Repair is straightforward, but the front glass and LCD must be replaced as a unit. GSM / 8, 16, or 32 GB capacity / Model A1332 / Black and White.

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Power & Sensor Replacement Problem

I have a Iphone 4 At&t phone that had a broken screen and power button would not work. I replaced the screen and everything worked fine and once my power & sensor cable came in I replace it following the tutorial and video on here.

At first I thought that I had killed the mother board since the phone would not boot up. I connected the mother board on another iphone and it worked fine. So i decided to connected just the charging dock, and screen cables to the motherboard can connect it to my laptop. It turned on so then i decided to connect the front facing camera. That also worked, now I connected the power ribbon to the board and it doesn't turn on, but when i do disconnect it i turns on!.

So what can be causing this? Am i missing something?

Answered! View the answer I have this problem too

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Chosen Solution

Power ribbon is faulty get another and you should be grand.

Disconnecting is messing with the connecter somehow and turning it on

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Replace the flex cable of power button and proximity sensor cable too.

Then try will work.

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Jose will be eternally grateful.
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