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Informazioni sulla riparazione e guide per l'iPhone 8, lanciato il 22 settembre 2017. Modelli A1863, A1905.

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Touch is dead when I connect lcd and 3d touch cable

I bought not original iphone  LCD in aliexpress, and install it my iphone 8. It works well, but after remove aliexpress panel and install my original LCD, touch did not work, so i tried disconnect 3D touch cable and connect only LCD cable, touch works well. I think my original panel was broken, so I bought another original LCD and connect all cable, but It was same as my original LCD.

i connect this cable only like this image

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and connecting this cable, touch did not work.

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Can I fix it without change motherboard?

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This is a common problem with the iPhone 8 series caused by the ground pins at the end of the home button connector being pushed in. If you have some sort of magnification you should be able to pry them out into their normal position.

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This is the FPC that your cable in the bottom image connects to

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That is strange. When you connect the LCD, do you have the original home button installed? iPhone 8’s are more dependent on it than previous generations. Since touch works when the 3D Touch cable is disconnected, maybe check if the cable touches anything on the motherboard that it isn’t supposed to.

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JungMin sarà eternamente grato.
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