After screen replacement, proximity sensor is not functioning.
Okay guys and gals, I've got a tough one for y'all. I've tried every possible solution I can think of. Usually i can rely on my prior knowledge or google to provide me with an answer but I'm stuck. I'm the lead device repair technician at my local batteries plus bulbs. I say that to address that I am experienced in fixing all models of iPhones and have not had this issue with any iPhone 7 or 7 Plus. So a customer brought her iPhone 7 plus in today to be repaired, for the second time in the past month... Everything is tested in front of the customer before the repair and after. First repair was a complete success. So when she brought it back in, I was like, yes this will be so easy. No adhesive holding the frame down, then having to remove all that adhesive, easy peasy right? WRONG. After installing the screen, proximity is not working. Okay little annoyed at this point, instinctively I assume the flex cable is seated improperly. Re-seat the cable and still unresponsive. As the frustration builds, I think maybe there's something wrong with the alignment of the proximity sensor and the small hole on the back of the bezel. So I transfer only the proximity/camera/ambient light sensor cable to the screen, ensure that each cable is properly seated and the issue is still present. Went back and re-seated everything and at that point I just wanted to run and hide. I did notice that the proximity sensor was more of a tanish tent, instead of a pinkish/purple tent. I've seen the color change a couple times. One of those time being when I was a noobie and held the proximity over the heat gun just a little bit too long. I've never needed to use the heat gun with the iPhone 7 series proximity cable. So yes the obvious thing to do would be to replace the proximity cable, but my warehouse hasn't started stocking them yet and the one on here is 39.95... Okay lets hear some ideas. Replacing the proximity will be the easy fix, but small things like this bug the mess out of me. Thank you all!
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I just solved this issue!! I tried all the things I found on this site and others and nothing worked. I haven't yet found my solution online. So here it is, super simple.
I simply scratched the paint off the cirle where the proximity sensor goes, it has two little holes that look like eyelets, well I scratched all right off, put it back in and voila! done deal, it's logical. Apparently the way they painted it on the replacement screen blocks the sensor so it doesn't register anything, but after scratching it you can see the little sensor "eyes" through the hole on the front.
You're welcome : )
par Dr. Drea
Hi Andrea, congratulations nice job! :-)
If you mask the whole again with a black marker pen it will be dark again and completely solved.
This worked for me. I am so happy I found this thread. You are a genius! Thank you so much. Just saved me 350.00 from having to buy a new phone for the customer.
par Billy Seese (Cognitive)
I had this same problem on My iPhone. A force or soft reset seemed to fix it. If these don't work, you can use "RecoveryTool Fix Recovery" to solve this problem.
I tried the black sharpie fix and when that didn't solve it, a soft reset did. Thanks StevenSeagal:)))
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