What To Do? When Your iPhone 6 Cannot Boot while Charging

Today, A user said:”My iPhone 6 Cannot Boot while Charging. Everything went smoothly for the most part, How to fix this Problem”? In this article, we've summed up some practical steps that you can do to fix the iPhone 6 Cannot Boot while Charging Issue step by step.


Fault description:

We find current 80mA circularly run while connecting and triggering with multimeter, so maybe it's USB damgage cause I2C short circuit during charging process, first remove the iPhone 6 motherboard and take the USB off, but it's still the same as before, then we measure the I2C resistance and power supply! It is found that the I2C 0SCL is in a short circuit state. As shown in picture 11-10-1.


Since it's short circuit, it means the connected chip is damaged, the connected chips have display, backlight, main power supply USB and the iPhone 6 CPU. 


First observe with microscope, it is found that all the backlight diodes are burning and discoloring. 

Then remove the backlight first, it does not short-circuit. The trigger current is normal, so continue to replace the 3 piece of iPhone backlight chips. 

According to our past experience, if the large inductors gets discoloring, the large inductors with connected backlight would also have problems, so we replace them together. As shown in picture 11-10-2.




After the replacement, the current is triggered normally, Install the USB to turn on the iPhone 6, the functions are all tested normally. As shown in picture 11-10-3.


Tips: If you need more information and professional repair skilled, you want to consult, please check here. We'll give you a free answer. 

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