iPhone recognized by itunes but screen is black

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iPhone 6

这款4.7英寸iPhone于2014年9月19日发布，是iPhone 6 Plus的缩小版。

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Aek-Tiesto @aek_tiesto

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发帖于: 2017年2月19日

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iPhone recognized by itunes but screen is black

hi, i had an issue with my iphone with touch desease , i tried to fix it , did unpluged the lcd screen cleaned the connectors , did some pressor onto the three connectors ( with a sim card ...) anyway it worked fine but the problem had come again , decided to remove the sim card, once i put the screws back ( connectors covers) i applied some force on twisting them ,and when I tried to turn on the screen it's completely black . plugged it to itunes :/ it's RECOGNIZED ! so is there any solution ?

I need your Help Fixers please !

Thanks in advance.

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Minho @refectio

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I don't understand why you used a SIM card to fix Touch Disease...

However, based on what you described, it appears as though you did Long Screw Damage (search it on Google) to your logic board. This is a very delicate repair and will require that you find a repair shop that does micro-soldering repairs.

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i think that's it :/ unfortunately , but i got one more thing I forgot to tell , i had a defected (that thing that the screw goes on it "hole") that was not in place so i did some glue and placed it on place (the phone worked normal after the glue) . could this be the problem ??

由 Aek-Tiesto 完成的 2017年2月20日

The "standoff" (that's what it's called) is normally soldered on. I don't see how gluing it would cause any problems. Over tightening the screws though is what can cause problems.

由 Minho 完成的 2017年2月20日

okay i got it thank you so much, now plz tell me . the silent trigger switch, once i switch it to silent phone doesn't vibrate although it's recognized on itunes i even plugged my earpods and pressed the play button and it Won't play music!!!

I just want to make sure it has a relation with the Long Screw Damage ???

and thanks a lot for your help @refectio

由 Aek-Tiesto 完成的 2017年2月20日

Hi, i have same problem.the screw which i took from stand off hole cant be fitted again(the screw which is in top left)...so i assembled it without that screw..now itunes detects it and even show battery percentage but still black screen,receiving calls would vibrate with no sound,,silent/general toggle switch doesn't change state...pleases help

由 m.ganesh Mvm 完成的 2018年8月26日

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i think that's it :/ unfortunately , but i got one more thing I forgot to tell , i had a defected (that thing that the screw goes on it "hole") that was not in place so i did some glue and placed it on place (the phone worked normal after the glue) . could this be the problem ?? — Aek-Tiesto
The "standoff" (that's what it's called) is normally soldered on. I don't see how gluing it would cause any problems. Over tightening the screws though is what can cause problems. — Minho
okay i got it thank you so much, now plz tell me . the silent trigger switch, once i switch it to silent phone doesn't vibrate although it's recognized on itunes i even plugged my earpods and pressed the play button and it Won't play music!!!

I just want to make sure it has a relation with the Long Screw Damage ???

and thanks a lot for your help @refectio — Aek-Tiesto
Hi, i have same problem.the screw which i took from stand off hole cant be fitted again(the screw which is in top left)...so i assembled it without that screw..now itunes detects it and even show battery percentage but still black screen,receiving calls would vibrate with no sound,,silent/general toggle switch doesn't change state...pleases help — m.ganesh Mvm

Mark Prince @avmech00 声誉积分: 383 Prince Tech Services 3 · Answer 1 · 2017-02-20T16:36:57-07:00

Mark Prince @avmech00

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Just an idea other than long screw but did you check to see if you blew out your backlight? If you removed the screen with the battery connected and as you said pressed down and twisted the connector you may have blown out the backlight filter. If you disconnect the battery, reconnect it, hit the power button and then shine a flashlight onto the screen at an angle you may see the apple logo then your homes screen (it will be very dark). If you do see the apple logo or home screen then you blew the backlight which will require micro soldering to replace the filter capacitor. Good luck, hopefully this helps!

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Good call! I was just focused on the LSD aspect.

由 Minho 完成的 2017年2月20日

hi and thanks for help but i got a completly black screen. in my town there are no repair shops who does micro soldering so I'm wondering abt changing my whole logic board, if so, can i use one from an icloud blocked iphone?

由 Aek-Tiesto 完成的 2017年2月21日

No, putting an iCloud locked logic board in your phone will only give you ... an iCloud locked phone.

There are many micro-solderers on this forum, myself included (and maybe Mark too!). You could do a mail-in repair anywhere in the world. The question becomes if it is worth it financially or from a data perspective; only you can decide.

由 Minho 完成的 2017年2月21日

@aek_tiesto there are some mail in repair shops that can handle this type of repair. One is iPad Rehab, Jessa the owner is very well known in the mobile device repair community and specializes in board level repairs. Here is a link to her website www.mendonipadrehab.com. They also offer rush repairs. At this point you are beyond the Do it yourself stage so my advice would be to send it to iPad Rehab.

由 Mark Prince 完成的 2017年2月21日

well thanks @avmech00 & @refectio , i'm from algeria and i think if i mail to one of you ( micro solderers ) it will cost me some money so i think i sell the lcd , battery .... and buy a new i6 .

thanks alot guys . thmbs up

由 Aek-Tiesto 完成的 2017年2月21日

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iPhone 6

iPhone recognized by itunes but screen is black

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