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Repair information and guides for the iPhone 6S released by Apple on September 25, 2015. Models: A1688, A1633

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Why wont my screen turn on after battery & screen replacement?

I realized that my battery was lasting less and less so I decided to buy an iFixit kit to replace the battery. I replaced the battery without any problems using the tutorial on this website and i checked to see if my screen turned on to test it the first time and it did. I had forgotten to put one of the metal covers on so I had to go back and do that but once I did and plugged everything in place and closed the iPhone, I tried turning it on and the screen didn’t want to turn on but when I plugged the iPhone in it vibrated so I knew it was on. I concluded that i had to get a new screen so I got one and I just installed it and i’m getting the same issue, the phone charges but the screen will still not turn on. Any help?

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Did you forget to unplug the battery before touching the screen cables?

Because it's very easy to damage the backlight circuit on these phones with the battery still plugged in.

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3 Comments:

I might have but I don't exactly remember since it was almost a week ago. If so, where or how could I fix it?

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Also, i've read in other forum posts that I should see a very dim screen if I damaged the backlight circuit but it is completely black.

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Very dim screen is hard to spot without flashing a light on the screen at a certain angle and looking for image on the screen.

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Dairon Perez will be eternally grateful.
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