Steps on how to boost Android Phone inbuilt Battery Using USB Cable

The boosting of android phone inbuilt battery is one of the major problem phone users are having now. When the battery is so down that direct charging can not boost the battery, some technicians/phone users find it difficult to boost it, but here is the solution on how to boost the battery using USB cable.

Step 1 : Get the battery and scrap then two edge of flex.

Step 2 : Use your tongue or multimeter to test where there is current and where there is no current.

Step 3 : Get your USB cable and cult the tip of the usb cable.

Step 4 : Solder the positive (red wire) to where there is current and then solder the negative (black wire) to where there is no current.

Step 4 : plug the USB cable to a charger head.

Step5 : plug charger to a current, so it can start charging.

Example is seen below.....