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Look Here: Real Fix iPhone 6S+ Charging errors

Many iPhone users complained that their iPhone 6S Plus  has some charge problems.  Now, here has some solutions for it. 


Firstly, we need to check the  iPhone 6S Plus specific charge breakdown. Supply power to faulty iPhone, it appears in the following 3 cases， one is the iPhone battery power percentage is getting less during the charging, one is power down status can be charged successfully but cannot charge after boot, the another one is unable to recognize USB.  

After disassemble the iPhone by phone opening tools, remove the iPhone motherboard, use Fluke 15B+ Digital Multimeter to measure the 5.0V voltage (PP5V0_USB) next to the charging IC, and then measure the 5.0V voltage (PP5V0_USB) next to the USB control IC to check is it working properly.

If both these 5.0V is working properly, then you just need replace the iPhone charging IC and USB control IC.

If 5.0V(PP5V0_USB) next to charging IC exist, but 5.0V(PP5V0_USB) next to USB control IC doesn't exist, the iPhone power down status can be charged successfully but cannot charge after boot, or can't recognize USB. In order to fix this trouble, we can use QUICK 861DW hot air rework station to short connect charge protection tube.

By the way,  damaged charging capacitor L2300 also will cause iPhone power percentage won't increase during the charging.  So, in this case, you can replace the new L2300 to solve it. 

TIPS:

To fix the problem quickly and accurately, you can check iPhone schematic diagram on WUXINJI Dongle, you will know that the PP5V0_USB(5.0V) that was sent from the iPhone Tail Plug circuit, and then continue sent to the charging IC via the trailing plug interface, and then go through the charging protect tube, finally send it to iPhone USB control IC.



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