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Posted: Thursday, 15 December 2016, 0:10



iFixiPhones Hero is Now Repairing Damaged Charging Chip U2 IC on the iPhone Logicboard

This is a highly skilled and time consuming repair to do successfully and involves Micro-Soldering..

If you have changed the battery, dock connector, and checked that the FPC battery connector is OK, but it makes no difference in fixing your issue.

This is caused by an IC controller chip that is burnt out when it is damaged in any way it opens the circuit between the USB charger and the battery.

Symptoms of U2 charging logic ic failure:
Fake charging.
No charger detect.
Inability to charge a stone dead battery, but can charge a partially charged battery.
Very rapid battery drain.
Heat at U2 ic chip.
Auto power on at battery reconnect.
Inability to restore due to dropped usb connection.


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