Why is my iPhone 6s black screen all the time?

Question

iPhone 6s

2015년 9월 25일 출시. Model A1688/A1633. 수리는 이전 모델과 유사하며 스크류 드라이버 및 비집는 도구가 필요합니다. GSM 또는 CDMA / 6, 64, 또는 128GB / 은색, 금색, 스페이스 그레이 및 로즈 골드로 제공하였습니다.

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Pedro @mirfak

평판: 1

게시일: 2019년 6월 24일

옵션

Why is my iPhone 6s black screen all the time?

Hello everybody.

I have a iPhone and the other day my lcd broke. I got an brand new LCD that I replaced myself and because the health of the battery was poor I changed the battery too. 3 weeks (more or less) have passed and one day i let the charge of the battery reach 0% and the iphone shuted down as expected. When I had the oportunity to plug the phone to the wall nothing happened. I let the phone sit for about 2 hours and nothing happened again. I tried to change the old LCD, because I thought the new LCD was damaged somehow and nothing happened again. I changed the battery to the old one (original) and nothing changed again. What could possible be the cause?

Facts:

- When i plug the iphone to de laptop, the iTunes recognizes the phone but the serial number appears to be unknown: "Serial number: n/d";

- I have tried the power button + home button thing and nothing happens.

Can somebody help me? Is the motherboard fried somehow? If i charge the battery with a external charger is it possible to work?

Thank you all. (Sorry for my bad English).

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I think I was very careful when I made the amount of operations of changing the battery and the LCD but you never know... I'm gona have an eye on that.

Tomorrow I'm going to charge the battery externally to give it some juice and plug it back into place. Hopefully that works. I don't know the health state of the old and original battery but if the new battery doesn't revive i'm going to try that on to the old one.

I'm really afraid about the motherboard.. I know that at distante and in a internet forum it is hard to say what is going on, but you think that considering the iTunes "serial number n/d" thing and the other factors, is it possible that the motherboard is fried?

Pedro 의 2019년 6월 24일

My thoughts are that focus on trying to either charge the battery a bit and then trying it in the phone to see if it charges or charge enough to turn on the phone and then keep an eye on the battery percentage to see if it goes up and time how long it takes... ideally I would charge it just a little bit enough to show the battery symbol on the screen and then test it with a USB ampmeter

c9679 의 2019년 6월 24일

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I think I was very careful when I made the amount of operations of changing the battery and the LCD but you never know... I'm gona have an eye on that.

Tomorrow I'm going to charge the battery externally to give it some juice and plug it back into place. Hopefully that works. I don't know the health state of the old and original battery but if the new battery doesn't revive i'm going to try that on to the old one.

I'm really afraid about the motherboard.. I know that at distante and in a internet forum it is hard to say what is going on, but you think that considering the iTunes "serial number n/d" thing and the other factors, is it possible that the motherboard is fried? — Pedro
My thoughts are that focus on trying to either charge the battery a bit and then trying it in the phone to see if it charges or charge enough to turn on the phone and then keep an eye on the battery percentage to see if it goes up and time how long it takes... ideally I would charge it just a little bit enough to show the battery symbol on the screen and then test it with a USB ampmeter — c9679

c9679 @c9679 평판: 2.1k 4 4 · Answer 1 · 2019-06-24T11:15:09-07:00

Sometimes when the health of the battery is poor u also have a problem with the charging circuit of the phone which leads to ur battery health being poor, so 3 possible things the battery has been allowed to deplete to such a level that it no longer has enough juice to start charging, u can buy chargers that the battery plugs into and allow it to charge independently some people just give it a bust with a dc power supply, only for a few seconds and then put it back in the phone and it charges again. 2nd thing it could be a bad battery that goes below its tolerance and wont charge again. 3rd thing u have a faulty charging circuit and the phone never charges properly... tristar ic etc...

P.s 4th and 5th lol u could have broken the screen ie damaged the flexes taking it apart again, u could have caused long screw damage etc. Damaged charging flex.

My steps on this would be to boost the battery for a second then plug it back into the phone and test its charging correctly using a USB ampmeter

iPhone 6s

Why is my iPhone 6s black screen all the time?

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