How to fix iPhone won’t charge issue

Intuitive algorithm of diagnostics of the phone

The article is compiled by Bgacenter teachers

iPhone Won’t Charge

Table 1: iPhone does not charge (quickly discharges), cannot be detected by computer.

ProblemReasonsWhat to do
Wire (charger cable)Replace wire
Charging connectorClean it
Charging dock port ribbon cableIt is not connected correctlyReconnect
Connector is dirtyClean the connector with a toothbrush
The soldering of the connector is brokenSolder it
Defective connectorReplace the connector
Defective charging dock port ribbon cableReplace it. Check the presence of 5V voltage with a multimeter.
BatteryThe battery is not connected correctlyReconnect it
Defective batteryReplace it
Faulty display moduleReplace display module
Faulty tristar chipThere is no consumption on the diagnostic unit. The phone is not detected by the computer. When you install a serviceable battery the phone is quickly discharged.Replace phone charge control chip (U2)
NAND FlashError “4013” and the apple / rebootReplace NAND Flash chip (phone hard drive (USB flash drive/memory))
Main power controllerThe phone takes a long time to chargeReplace the main power controller

Conclusion

We have considered the main causes of the malfunction – the iPhone will not charge. Detailed diagnostics of the phone charge circuit is studied during the bga soldering training.

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