First need to prepare a charging socket a charging cable a industrial tape a copper wire a magnet tin foil
First cut two sections of the charging cable
There are four wires two charging positives and negatives one connected to the computer and one grounded
You need to find the grounding wire and the computer connection, delete them both, the grounding wire is green, the computer connection you have to try it yourself. You'd better connect the two wires to see if the phone is charged.