run mrt vivo unlock tool
remove back cover of phone
disconnect battery
short test point by twizzer - then connect phone to pc
open device manager - check in port if phone detected in edl mode, then remove twizzer
click start
wait until done =
remove back cover of phone
disconnect battery
short test point by twizzer - then connect phone to pc
open device manager - check in port if phone detected in edl mode, then remove twizzer
click start
wait until done =