run unlocktool
select brand vivo
select model vivo y15(1901)
select brom mode
click (brom) erase frp
phone in off mode, connect usb cable to pc
software runs automatically
wait till operation done
select brand vivo
select model vivo y15(1901)
select brom mode
click (brom) erase frp
phone in off mode, connect usb cable to pc
software runs automatically
wait till operation done