Hi,[br]
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I tried replacing the screen on an iPhone 12 Pro Max. After the repair, Face ID wasn’t working, so I opened the phone again to check things.
I noticed the proximity sensor cable had a cut, so I tried taping it as a temporary fix and reconnected everything.
Now, when I turn the phone on, it vibrates, makes sounds, and the backlight turns on, but nothing shows on the screen. It stays completely black with no image at all.
I’ve tried both the original screen and the new replacement screen, and the result is the same — backlight works, but no display.[br]
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What could be the issue?