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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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proximity sensor not working after replacing the lcd/touch scree

I have just replaced my lcd/touch screen with a good proven suppliers part, and now the proximity sensor will not work.

I am told that its glass, and also i have been told its software.

can you please tell me how to cure this. I have tried using a quickie, with no luck



16gb software 6.1.3

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Technique with most success is scotch tape with black sharpie. Use clear but frosted (opaque) before you use it Scotch Tape. Color it with black Sharpie Pen. Remove front screen, place single piece of this blackened tape over both ports of Proximity Sensor. Put iPhone back together.

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take the phone apart again and see the black window above the ear peice colour that in with black permanent marker

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Hi, that doesn't work and I have spoke to a lot of people who tell me that the chances of that working is very slim, as you will be blocking all the light going in to the ambient light sensor, and it needs some light going in there.

I gave it a try, and nope no success



ps.. have you actually tried this and had some kind of success


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There needs to be a UV film in there in the square to the right over the ear piece. It something sticks to the glass when you take it off or falls out. Also, if you have a different color screen, that also might be the issue. As I am a phone technicians.. Ive worked on thousands of these iphones. This link should solve your problem -

If it doesn't it might be the screen or might even be the power flex. Or even both.

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