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2014년 9월 19일에 출시된 이 4.7” 스크린 iPhone은 iPhone 6 Plus의 작은 버전입니다. 모델 번호 A1549, A1586 및 A1589로 식별됩니다.

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Replaced screen a week ago and screen suddenly went blank

I ordered and replaced a screen with iFixIt a week and a half ago and replaced my screen the day it came in. It was fine until an hour ago and the screen went all black. I’m still getting calls and text messages but no screen. In thinking maybe something happened with the screen I replaced?

Things i tried:

1) holding power and home button until an apple logo (that didn’t show up) comes up.

2) pushing the back of the case under the camera to see if something got dislodged

3) opening the device up and making sure the screen connections were still intact

I’m starting to suspect that the screen I just got died….

Update (07/17/2019)

Also, I can’t slide to answer anything on said dead screen. The phone rings and no amount of touches on the screen will answer it.

답변되었습니다! View the answer 저도 같은 문제를 겪고 있습니다

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PC 노트북 배터리

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선택된 해법

It’s possible the screen is defective. Ideally, if you could re-install the original cracked screen to see if the problem follows the screen or stays “with the phone”. If the problem stays with the phone (that is both screens have the same issue), then read the following:

It’s very important to always disconnect the battery before disconnecting/reconnecting the screen assembly. The issue is that the LCD connector has pins that have high voltages (i.e. the backlight is ~20V) and ground in very close proximity. When you fumble around trying to line up the connector plug to the receptacle, you can short out the voltage rail and cause damage to the components in the backlight circuit. If you’re lucky, then only a backlight filter is damaged but other times, the entire circuit could be affected. Either way, this type of repair requires micro-soldering and isn’t really a DIY repair.

To test for this, plug your device into a charger or an iTunes enabled computer. Then shine a bright flashlight on the screen. If you can see a dim image, then the backlight circuit has been damaged. If you can’t see an image at all, then it may be the LCD circuit that is damaged.

You can connect the original, cracked screen to confirm this. If the original screen has the backlight on, then the replacement screen has an issue. If the original screen also doesn't show the backlight, then the backlight circuit is blown.

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Firstly, Thanks so much!

I did re-connect the original broken screen and everything came on!

I’m glad there is a warranty on the replacement parts ^_^

Though I did check to ensure the backlight wasn’t the issue first. I held a light up to the screen and absolutely nothing showed. It looked like the screen was simply dead, when the phone rang I couldn’t do any number of sliding to answer or any other way of interacting with the screen though I could interact with the phone via my cars bluetooth. I’m going to see about this warranty and thank you so much for the advice

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That's great!... err that you found the problem :>). Contact iFixit Support (help.ifixit.com) for their help with a warranty replacement of your screen.

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