Repair: iPhone 6 Charging Failure Issue - Free Guide

With the development of electronic technology, smart phones are also growing faster and faster. We all know that iPhones are constantly updated with the latest models and versions, but the old aging iPhone 6 is still in use, and many people complain about iPhone 6 Charging Failure Issue, today we focus on telling everyone how to quickly solve this problem.




We are going to repair a iPhone 6 device, the fault described is that there is a charging icon on screen, but no power enter into cell phone, and it keeps rebooting. After receiving it, we found that the motherboard charging chips, battery and accessories were changed.

1. Use a Fluke digital multimeter to measure the voltage of (C1408, C1700) USB were given to U1401 charge tube and U1700 (U2), the both 5V are normal

2. Respectively remove the U2 and charge tube, measure the bottom voltage to see whether the iPhone 6 motherboard has broken cables, the result shows that the two chips are all normal. 



3. Replace the two new chips and charge to have a test, the result is same. 

4. Connect the iPhone 6 with computer, the battery life shows no data on Ace assistant, this situation often happens on iPhone 6 and iPhone 6P, basically it's caused by the problem of CPU to the charge tube battery detection circuit, also the solutions are different.

5. By checking 2.2K resistance(remove R0302 and R0303 from junk motherboard) on WUXINJI schematic diagram, then connect the two resistors together. One end receives the main power supply, and the other end is grounded, and solder a jumper wire to charge tube G1 pin in the middele of the two resistors. 

6. Personally, I think this method is troublesome, there is another simple way to use: add a 10K resistance (R0307 or R0310) on C1700(next to U2), which can be directly welded to one end of the C1700 PP3.0V, the other end can be welded to the charge tube G1 pin, then use green oil and UV light to solid.

7. nstall the iPhone 6 device to test, charging function is normal now.

Tips: Need any professional cell phone repair skills or phone repair  tools, please contact VIP Pro Shop Team for help!

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