iPhone 7P Has Charge Failure—What To Do?

One day, you found the iPhone 7 Plus has charge failure, the details is that the iPhone 7P sometimes won't charge at all, sometimes it can be charged, but the iPhone battery power percentage it less. In order to make iPhone 7P charge normally, what to do? Keep reading.

According our phone repair experience, the iPhone charging failure is mainly caused by the iPhone charging IC or the iPhone USB control IC, now, let's check it.

Tear down the iPhone and then take out the iPhone motherboard, put it under the microscope to check it, no obviously damaged.

Now, use the multimeter to measure the the 5.0V voltage (PP5V0_USB) next to the iPhone charging IC. If the it not works properly, then you need to replace the new iPhone tail plug flex cable. If yes, measure the another 5V.

Measure the 5.0V voltage (PP5V0_USB) next to the iPhone USB control IC with multimeter to check whether it exists. If not, then you need to use QUICK 861DW hot air rework station to solder the jump wire from 5.0V voltage (PP5V0_USB) next to the iPhone charging IC to 5.0V voltage (PP5V0_USB) next to the iPhone USB control IC. If 5V is exist， then you need to replace the iPhone USB control IC and iPhone charge IC.

Tips:

1. Damaged iPhone USB control IC will cause iPhone won't charge, can't connect to PC, iPhone leaks when it in standby, stuck on white Apple, etc.

2. Damaged iPhone charge IC will cause iPhone no response when turn it on, large current when supply power to it, the iPhone battery percentage is incorrect, auto reboot, etc.