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Released September 16, 2016. Model 1660, 1778 Available as GSM or CDMA / 32, 128 or 256 GB / Rose gold, gold, silver, black, and jet black.

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iPhone 7 touch screen doesn't respond

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I have an iphone 7 that has a problem called no service ic issue so I bought an logic board from aliexpress to replace the old logic board with the new one from aliexpress after connecting the new logic board the touch screen didn't work after changing to logicboard

Note:I did test the screen with old logic board It did work perfect but with the new logic board from aliexpress it didn't

The old logic board modal number:A1660

The new logic board from aliexpress modal number:A1778

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Answered! View the answer I have this problem too

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Nobody can really be of help except the logic board seller. You can double check that you’re connecting it on the board properly, but I presume you did that already, since you also tried it with your old board. Post the same question to seller and see what they reply. The only thing I notice from pictures is that the board has gone through rework already, connectors don’t have anymore the waterproof sponge around or it is melted.

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Mohamad 122 will be eternally grateful.
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