Working digitizer not responsive after disassembly

Question

iPhone 5

Apple发布于2012年9月12日的第六代iPhone，维修时与前代型号一样，需要螺丝刀和撬棒。iPhone 5以多种版本销售：通讯制式有GSM/CDMA；存储容量有16/32/64G；颜色有黑/白。

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Jonathan @jonathan38290

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发帖于: 2013年6月14日

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Working digitizer not responsive after disassembly

Hello guys,

I just disassembled my iPhone 5 in order to replace the audio buttons.

After reassembly, the LCD works fine, all buttons as well except the digitizer.

The screen is completely unresponsive.

I am sur i reconnected the digitizer properly and took extra-care of the ribbons. What surprises me is that the full touch area is not working, not even a single dot. That's why i assume the digitizer is not necessarily broken.

Could it be linked with another component that i forgot to plug properly ? Any other idea would be greatly appreciated.

EDIT: I just tested my screen on another iPhone 5, the digitizer works like a charm ! Then the problem really comes from the rebuilding of the iPhone. The connector for the digitalizer on the motherboard doesn't seem to have had any kind of damage. (Around it as well)

Thanks in advance

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Check black rubber type material on motherboard around connector. Carefully remove it and new plug should stay connected.

由 Victor Sponheimer 完成的 2016年7月25日

Hi, had the same issue. I re-tighten the screws connecting the the metal shield to the back of the screen,,, for good earthing and all is well

由 Welcome 完成的 2017年3月31日

Hi there, so I think I might have the solution.

The screen obviously has the three black ribbons that end in the connectors that need to be connected to the iPhone.

You automatically start with connecting the connector for the digitiser as it is the one that must be connected first, because the other ribbons go on top of this connector.

What I did - and what I would recommend you doing- is to buy a piece of double sided tape (this exact kind https://imgur.com/a/q9jgwca) and put it on top on the back of the connector for the digitiser so that the ribbon from the other two connectors push down onto the tape and therefore onto the digitiser connector. That way there is constant pressure. (for those of you who don't click on the link - it is the kind of double sided tape that has some thickness to it).

Worked like a charm for me.

由 weinhonig 完成的 2018年11月27日

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ifixshop @ifixshop

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发帖于: 2013年6月15日

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so the digitizer is not the problem, there is no other plug in component that could cause you problem. some iphone 5's have black tape around the lcd and digitizer connectors to protect the fragile components underneath. peel off the tape and check for any components that maybe got knocked off. also try cleaning the contacts before reassembly

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Hello iwillfix and thanks for your answer, I really appreciate.

Hmm, there was no black tape on them but i see what you are talking about as the black tape was present in the other iPhone on which i tried my screen.

One of the condos close to the digitizer seems indeed weird ... Either it's this one which died, otherwise I don't know.

In this case, are there any ways to fix that or is my iPhone just good to go to the trash ? (P.S. : iPhone is still under warranty, what about it under the assumption i dismantled it ?)

In the case it's the contacts, what's the best solution to clean them properly ?

Thanks a lot !

由 Jonathan 完成的 2013年6月15日

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Check black rubber type material on motherboard around connector. Carefully remove it and new plug should stay connected. — Victor Sponheimer
Hi, had the same issue. I re-tighten the screws connecting the the metal shield to the back of the screen,,, for good earthing and all is well — Welcome
Hi there, so I think I might have the solution.

The screen obviously has the three black ribbons that end in the connectors that need to be connected to the iPhone.

You automatically start with connecting the connector for the digitiser as it is the one that must be connected first, because the other ribbons go on top of this connector.

What I did - and what I would recommend you doing- is to buy a piece of double sided tape (this exact kind https://imgur.com/a/q9jgwca) and put it on top on the back of the connector for the digitiser so that the ribbon from the other two connectors push down onto the tape and therefore onto the digitiser connector. That way there is constant pressure. (for those of you who don't click on the link - it is the kind of double sided tape that has some thickness to it).

Worked like a charm for me. — weinhonig
Hello iwillfix and thanks for your answer, I really appreciate.

Hmm, there was no black tape on them but i see what you are talking about as the black tape was present in the other iPhone on which i tried my screen.

One of the condos close to the digitizer seems indeed weird ... Either it's this one which died, otherwise I don't know.

In this case, are there any ways to fix that or is my iPhone just good to go to the trash ? (P.S. : iPhone is still under warranty, what about it under the assumption i dismantled it ?)

In the case it's the contacts, what's the best solution to clean them properly ?

Thanks a lot ! — Jonathan

fasted120 @fasted120 声誉积分: 25 1 · Answer 1 · 2015-04-30T20:42:45-07:00

fasted120 @fasted120

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发帖于: 2015年4月30日

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If someone has found a solution to this problem please post it.

My daughter's iphone 5's digitizer stopped working all of a sudden. I ordered another digitizer and battery and installed them. The iphone started up nicely but the digitizer still didn't work. Any comments please post.

Thanks,

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Carefully remove black rubber type material protecting motherboard components around digitizer plug that will help connector to seat properly.

由 Victor Sponheimer 完成的 2016年7月25日

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Tiina Risto @tiinaristo 声誉积分: 13 1 · Answer 2 · 2014-11-24T06:55:55-07:00

Tiina Risto @tiinaristo

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发帖于: 2014年11月24日

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I am fighting this problem now

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skills @skills45644 声誉积分: 25 2 · Answer 3 · 2015-01-06T16:33:16-07:00

skills @skills45644

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i did mine too and i still need like 18 moths to pay the phone. it started i took my phone to the repair shop then my touch id dindt work they telling me they cant fix it so i oppene mine to look was extra carefull now this. i get some lines briefly on the lcd while booting. Please Help..

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Home button with touch ID is linked to the phone and only the original button will work.

由 rchase1952 完成的 2016年9月19日

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Teshikajikato Shikachi @teshikajik45680 声誉积分: 13 1 · Answer 4 · 2015-04-24T11:09:35-07:00

Teshikajikato Shikachi @teshikajik45680

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发帖于: 2015年4月24日

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Have anyone found solution for this so far?

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tobshad @tobshad 声誉积分: 13 1 · Answer 5 · 2015-06-29T16:13:10-07:00

tobshad @tobshad

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发帖于: 2015年6月29日

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Disconnect the camera, reseat the digitizer and Lcd connections and try it without the camera.

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I did just that, tuned on, no luck. Afterwards I reconnected the flex ribbon to the logic board I conducted a hard reset, works fine. Reconnected the camera and home button and put back together. Hope this helps!

由 boxcar85 完成的 2016年7月15日

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paulp @paulp25178 声誉积分: 13 1 · Answer 6 · 2015-08-26T17:30:59-07:00

paulp @paulp25178

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发帖于: 2015年8月26日

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Hit it with a heat gun for about 2 minutes let it get super hot, let it cool down and reconnect.

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heat ruins the lcd right? so why do u heat digitizer?

由 Rick Lantzsch 完成的 2016年1月21日

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Victor Sponheimer @victorsponh3192 声誉积分: 13 1 · Answer 7 · 2016-07-25T07:18:11-07:00

Victor Sponheimer @victorsponh3192

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发帖于: 2016年7月25日

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I found that the insulating , protective material used on phone motherboard stops the digitizer from connecting properly. Careful when removing don't damage small components. Must be replacement connectors are more shallow and need extra distance.

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This really saved my day! Thank you!

由 totomitak 完成的 2020年10月14日

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