16/01/2017
Before doing, Be sure to check the battery and charger are Exactly working condition. then verify the phone’s USB pin connector is broken or any fault.
Check the charging (+) and (-) line paths are short using multimeter, if it shows short them, remove/replace the diode, capacitors and filers. also replace the fuse. Note: use these work at your own risk.
Check all the components shown on the image below.
16/01/2017
10/01/2017
08/01/2017