Samsung C6712 Star II DUOS Charging Problem Solved
https://gsmfixer.blogspot.com/2015/06/samsung-c6712-star-ii-duos-charging.html
Fix charging issue in Samsung C6712 Star II DUOS with single jumper with help of diagram in which jumper marked with color line. First make sure your mobile charger jack is working, then disassemble mobile and check charging jack points on mobile circuit. change charging jack if damage. Here in diagram a simple jumper is traced if this line is missing. Try this jumper if any trick above not work.
How to solve charging problem in Samsung C6712 Star II DUOS if mobile shows charging error on screen. Try this diagram to fix this issue.