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5 x iPhone 4S repairs and proximity sensor fail every time?

Hello!

Basically I've completed 5 iPhone 4S repairs and every single time, the repair has been successful although the proximity sensor doesn't function on any phone.

4 of the repairs were changing the damaged screen, and the other one was simply replacing the flex cable. The flex cables are genuine replacement parts, the screens are of very good quality but not oem.

I've tried many different methods after researching online, yet to no avail, these include:

Sharpie method

Black electrical tape around prox and ambient light sensor

Tape with sharpie

Changing flex cable

Is there some method that I should be trying, I wouldn't be so bemused but 5 phones is basically telling me I'm missing something. I carry out the repairs with precision and have completed around 50 repairs with no problems prior to this.

Any help or advice would be so greatly appreciated as this is driving me stir crazy now as you can imagine!!

Thank you to anybody who can shed some light on this situation.

답변되었습니다! 답변 보기 저도 같은 문제를 겪고 있습니다

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David said, " the iPhone 4 and 4S use the same LCD assembly except for the frame."

This is not true even by Apple themselves. Apple has revised the senor windows on the front screen glass, also Apple has revised the foam and stickers of the senor area too. So not all screens are alike, even when they are Real Apple Screens from Apple.

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There are a couple more solutions with [this link]. Good luck.

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@ David

Thank you very much for your help but unfortunately them methods apply to the iPhone 4, when I encounter the proximity sensor issue on the iPhone 4, one of these methods generally work. Yet after trying them on the 4S, none have worked. Thank you for your support though :D

의

Hey Gordon, the iPhone 4 and 4S use the same LCD assembly except for the frame. The problem is pretty big and happens a lot with 4 and 4S replacements. Sometimes it can be fixed, sometimes it can't. It all seems to depend on the quality control of the vendor that is producing them.

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