1} open mrt driver
2} go to vivo & select model y81s
3} mark frp reset & click start button
4} insert usb cable without bootkey
then pls. until show all is done
1) open octoplus frp tool
2) open device vendor select huawei
3) open device model select jkm-lx2
4) insert usb with Testpoint.
5) f u see the phone is connected to pc.
select reset frp then wait until show
frp lock is successfully resetted
1 open octoplus frp
2 select oppo @ device vendor
3 select exsact model @ device model
4 select factory reset {method 1}
5 hold volume up & insert usb
then wait until show reset successfully performed
1 open mrt driver
2 click oppo
3 select c2
4 click format unlock
5 go to recovery then select power off
6 click start
7 hold up&down insert usb cable
then wait until show all is done
1 open mrt driver
2 click 2.60
3 click mtk tool
4 click bbk{vivo}only
5 go emmc flash lnit
6 select y83 only
7 turn off phone.
8 ckick start
9 wait until show all is done
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