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Released on September 19, 2014, this 5.5" screen iPhone is the larger version of the iPhone 6.

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damaged U4500 or what else?

So the phone was originally bought in Germany by my GF Father. It was a little bent, had few missing screws, and sometimes touch didn’t work. I fixed the bent case and replaced the screen a few times (She just dropped it few times with fatal damage to screen).

The problem really began when I ordered missing screws and put them back into phone. She told me that It didn’t charge at all. I checked the charger first but it was ok, so I proceeded to look at the phone. For the first few times trying to charge It, It showed in exchange charging,and then not charging. I reassembled It about two times(mainly deassembling only to screen connection cables where were missing screws on the shield ), and after second time it charged to 78% in maybe 15 minutes and then stopped. Since then It reboots after few minutes of doing completely nothing, doesn’t charge up at all. After reboot, for a few seconds it shows 1% and then hits up to 78% and stays there even after rebooting probably 30 times since then. Selfie camera died too after adding missing screws but don’t know if it changes anything.

Any ideas? I replaced the bottom part which contains charging port,minijack etc - with no result. I read about that U4500 chip. It seems to be quite cheap but I will have to practice with my HotAir for a bit to do this kind of action, and at this point i have no guarantee that thats the problem. If i have done some grammar mistakes, please forgive me - It’s not my native language.

Best regards,

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1 Respuesta

From your description, the fact that you are probably missing screws/battery shields would put “most likely” right now as the battery itself can not make good connection with the logic board at the connector. See if it will consume normal charging current on a usb ammeter with pressure at the connector.

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