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Hi all,
I have a problem with my iPhone 7. It reboots itself randomly. The screen goes black and after that the apple logo will come. After that it starts normally. After a while, sometimes immediately, it reboots again.
I restored tje phone in DFU mode but still got the same problem.
What could be te problem?
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What happened to the phone in the days leading up to this issue; was it dropped, repaired or came into contact with water? The more information you provide, the better the help you will receive.
The easiest thing, from a DIY perspective, to test is the battery. If you have access to a multimeter, you could measure the voltage directly at the battery. Anything above 3.5V will allow the phone to boot. If you have less than that, then you may have a dead battery or a defective charge circuit (which includes the charger, cable and charging circuit on the logic board).
If the phone was dropped, repaired or came into contact with water, then the problem is probably more serious and will require some more advanced troubleshooting. That will require access to known-good parts and, if it gets that far, board-level skills.
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If u restored already and no fix its a hardware problem most likely. So u got it narrowed down at the very least.
If all that still didn’t work u have a dead or dieing part. But lets first do the above steps before testing single parts to see if they work. Thats the last resort. So do the above first.
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댓글 2개
Have you checked the battery condition and the battery connection?
chris 의
I also replaced the battery with a new one.
Uas 의