O Plus Air Charging Port

This is an O Plus Air board. You can see the charging port design. Very easy and safe to replace whenever your charging port has been damaged.

Repairing MyPhone Infinity Not Charging

MyPhone Infinity's charging port was damage, and all the pattern in the board was all gone. The very first thing to do this is to find the charge positive line. 

Below is the image of the positive line. Make a jumper on the charging port with respect to ground. The second image indicates that the positive line was correct, and it show success charging.

Finally re-assemble the unit and you're done