open mrt
select vivo tab
select model y91c
select format/unlock option
turn off the unit
click start and inser usb cable
wait until auto wipe data ang unit
proceed to remove frp
same procedure except select erase frp option
https%3A//i.imgur.com/R24i5hM.jpg[/img]']
select vivo tab
select model y91c
select format/unlock option
turn off the unit
click start and inser usb cable
wait until auto wipe data ang unit
proceed to remove frp
same procedure except select erase frp option
https%3A//i.imgur.com/R24i5hM.jpg[/img]']