Hi, long story short, My iPhone 7 died due to an impact, screen and battery replaced with full working ones, when I put the phone on charge the phone screen is still black and I can hear a regular small noise coming from the logic board, every 3 secs, that stops only when I unplug the phone.
Does anybody know the reason and what to do? Is it an easy fix?
The motherboard is warm when is on charge (not overheated)
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It’s not easy to repair. You probably need a exprensive tools like microscope, thermal camera, power supply, multimeter. I think you can damage U2/Tristar or Audio IC or a lot of diffrent chips. Maybe someone heard about “beaping motherbaord” and will answer you, but I think it will be better for you to replacement motherboard.
Greetings
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So, shall I send only the motherboard to micro-soldering repair? Any suggestion for UK?
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