iPhone 6S Proximity Sensor not working after screen replacement

Question

iPhone 6s

2015年9月25日にAppleから発売されたiPhone 6Sの修理情報とガイドです。モデル A1688、A1633。

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Transporter Dave @transporter1

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投稿日: 2016年10月7日

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iPhone 6S Proximity Sensor not working after screen replacement

Hello,

I replaced the lcd screen on my iphone 6s. afte replacement the sensor doesnt work anymore. if i put the phone on my ear the screen become dark and stays dark until the caller ends the call. if i put it away from my ear the screen stays black until caller ends call. if press home button etc that doesnt help, screen stays black until call ends.

i changed the sensor (frontcam) etc and it doesnt work either.

anybody has an idea?

Thanks in advance.

Kind Regards

Joseph

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It's probably the screen at fault where the part of the glass that is for the proximity sensor (where the proximity sensor sits) is not made properly / for the sensor to work through the transparent tinted part of the glass.

Either it's a mounting issue or a bad quality replacement screen.

Ben さんによる2016年10月7日

THank you for your response. Whats the solution? is it possible to get the screen working? e.g. scratching the screen and then mark it or anything else?

Transporter Dave さんによる2016年10月7日

Hi,

Ben its right, I heard once that the proximiti sensor has to signal timming clear, I mean, , clear it, reset config onphone and try again...

Also if you miss screws or the chasis is bended could affect that.

Luis さんによる2016年10月8日

This is a tricky one. I just did an iPhone 6S screen repair, and took the top assembly part with the front cam from the original screen with little to no force. I can remove it without damaging the proximity sensor like I used to (remember pulling the front cam assembly and seeing the prox sensor sitting there on the screen inside the plastic sensor holder? lol) with those things. After the repair, the phone no longer went off during a phone call and putting it by your ear. I've bought two replacement front cam assemblies with proximity sensor and nothing yet.

I test by leaving the phone open, and using a tester app. When I cover the sensor with my thumb it should go to a black screen, but it doesn't. I'm not sure what happened. No physical damage, two other replacement parts didn't fix it. Did I somehow mess up the board? Has this happened to anyone else? I feel bad for that happening to my clients phone :/ I've done this repair many times before with no problem.

Scott S さんによる2016年12月21日

I have the same problem and didn't have a solution for it.

Kim さんによる2016年12月21日

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PhoneOpsPlus @phoneopsplus

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投稿日: 2016年12月22日

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Hi,

Usually poor quality screens can cause this, reading the comments a few people are having issues.

I've never had this issue once, but that's because I use original quality screens.

So it's either the parts you're using, or you're not inserting the proximity sensor correctly, also make sure to glue down the plastic holder for the sensor to keep it in place. :-)

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It's probably the screen at fault where the part of the glass that is for the proximity sensor (where the proximity sensor sits) is not made properly / for the sensor to work through the transparent tinted part of the glass.

Either it's a mounting issue or a bad quality replacement screen. — Ben
THank you for your response. Whats the solution? is it possible to get the screen working? e.g. scratching the screen and then mark it or anything else? — Transporter Dave
Hi,

Ben its right, I heard once that the proximiti sensor has to signal timming clear, I mean, , clear it, reset config onphone and try again...

Also if you miss screws or the chasis is bended could affect that. — Luis
This is a tricky one. I just did an iPhone 6S screen repair, and took the top assembly part with the front cam from the original screen with little to no force. I can remove it without damaging the proximity sensor like I used to (remember pulling the front cam assembly and seeing the prox sensor sitting there on the screen inside the plastic sensor holder? lol) with those things. After the repair, the phone no longer went off during a phone call and putting it by your ear. I've bought two replacement front cam assemblies with proximity sensor and nothing yet.

I test by leaving the phone open, and using a tester app. When I cover the sensor with my thumb it should go to a black screen, but it doesn't. I'm not sure what happened. No physical damage, two other replacement parts didn't fix it. Did I somehow mess up the board? Has this happened to anyone else? I feel bad for that happening to my clients phone :/ I've done this repair many times before with no problem. — Scott S

Stephen @stephen73021 評価: 37 1 1 · Answer 1 · 2017-08-09T17:32:07-07:00

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Stephen @stephen73021

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投稿日: 2017年8月9日

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I had this problem with a few phones I repaired.

If you are using a non OEM sensor with a non OEM screen, make two small scratch holes in the paint on the screen where the proximity sensor sits. You should clearly see light through the scratches. Always glue the original sensor holder into the correct position.

If you are using a working OEM sensor with a non OEM screen, darken the inside of the glass where the sensor sits with a black sharpie. I have noticed that the OEM sensors are prone to faults once removed so I find it better to use non OEM sensors as they are far less sensitive and cost very little.

I have not had a problem since adapting this method on 100+ repairs.

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Thanks a ton, Stephen. It really helped.. Was about to return the screen.

Ravi K. N さんによる2018年4月23日

THAAANK YOU!!! 2 am and me fighting whith this $@$* screen. Sharpie works great!!!

salito_ar さんによる2019年2月27日

This is a good way and also i find many people change the screens with non OEM and they somehow lose the little black seal or boot I call it. This falls out often if you play with the cables too much trying to get it back together. Once you get the little black boot and put it in properly it will restrict light into the phone.

Dave さんによる2019年11月13日

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Kody Kriner @kodykriner 評価: 25 1 · Answer 2 · 2017-07-13T18:49:50-07:00

Kody Kriner @kodykriner

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投稿日: 2017年7月13日

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I also ran into this problem and confirmed it's parts based off of two different suppliers.

I did find a very odd fix that I've been using for bad part proximity issues since the iPhone 4; take the proximity sensor out of it's seating and where the opacity on the glass is (the black dot), grab a black sharpie and color on the back of the glass as much as you can. You want to basically fill the square area where the proximity sensor will fit, and it will all be coated with sharpie.

Put the proximity sensor back in, put the phone back together, and there's a good chance the proximity issue will be working again.

Note: this fix will not work if there are any type of front camera / ear speaker problems, as that indicates it's likely the flex cable itself.

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THAAANK YOU!!! 2 am and me fighting whith this $@$* screen. Sharpie works great!!!

salito_ar さんによる2019年2月27日

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Zero @zerocold 評価: 13 1 · Answer 3 · 2017-02-15T08:28:35-07:00

Zero @zerocold

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投稿日: 2017年2月15日

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its will look strange but when i replacement 6s screen proximity sensor stop work

but screen start have sensors in the top side of it if i touch it screen go black and start lightening after leaving it

its look like Microsoft models

any body got that before

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Yes Same problem here. I believe it is bad screen.

thecellsite さんによる2017年2月16日

yeah it was screen not from the logic board

Zero さんによる2017年3月10日

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Sam @sam24789 評価: 1 · Answer 4 · 2017-01-12T04:50:41-07:00

Sam @sam24789

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投稿日: 2017年1月12日

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I have tried different suppliers screen and come to conclusion that this is due to faulty screen as iPhone 6s now use additional circuits just on screen to regulate .

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kevin solem @byggogdata 評価: 11 bygg og data 1 · Answer 5 · 2017-04-04T12:44:45-07:00

kevin solem @byggogdata

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投稿日: 2017年4月4日

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Had the same problem several times. My problem was not the sensor but the replacement screen.

When I changed replacement screen with a new one it was working again. (screen going black under a phone call when the sensors was covered)

I know, it's strange.

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Scott S @scotts31253 評価: 25 2 · Answer 6 · 2017-05-19T07:55:17-07:00

Scott S @scotts31253

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投稿日: 2017年5月19日

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It IS unfortunate that this problem persists. It's NOT the technicians I assure you. We know how to replace screens with no problems. It's just the replacement parts we can get for the 6S are not the best. My repairs stop at the six and six plus. I don't do 6S or beyond anymore because of this reason.

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