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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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iPhone 6s Black Screen

Hi

I have iPhone 6s with black screen problem.It worked with my old LCD perfectly.

I sent to replace my LCD and after assembly, phone is on but screen is black. Itunes recognize it.

Can anyone help me to solve this

Regards

Answered! View the answer I have this problem too

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At this point, you need to eliminate a variable. You either have a defective replacement screen or a backlight circuit problem on the logic board. The iPhone 6S has a tendency to blow the BL circuit if you don't disconnect the battery first.

So I would re-install the original (follow this guide), presumably cracked screen to see if it works properly. If it does, then you likely have a defective replacement and you should contact your vendor/supplier. If the original screen does not light up, then something happened to the BL circuit and it will have to be looked at by a micro-solderer (not DIY).

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2 Comments:

Hi

I tried another lcd and the problem is the same.

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Then you have your answer. You have a backlight circuit issue on the logic board and it will require a micro-soldering repair.

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LtLoon will be eternally grateful.
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