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原帖由: Tony ,

标题:

Screen wont respond to touch after replacing a screen with same issue

文本:

I bought a broken iPhone XS Max which has a smashed back and a screen that has a working display but wouldn’t respond to touch. Also, the screen had what looked like a small“dead pixel” from the impact, visible when powered on.  It appears that the impact happened to the back since the display is not cracked.

I replaced the screen/digitizer with a brand new one from Ebay but it still doesn’t respond. I was under the impression that all of the logic for touch was in the screen itself. Apparently not.

I’m assuming the issue is with the logic board. Aside from the unlikely possibility that the new display is also defective.

Can an expert advise me on where I should be looking for damage that would cause touch to not respond? Is this something I might be able to fix with a soldering iron?

设备:

iPhone XS Max

状态:

open