Tested firmware here download
open mrt
select vivo tab
select y81s model
select write flash
open flash file folder which downloaded
hit start and insert usb calble
wait until done
https%3A//i.imgur.com/b3xQLqy.jpg[/img]']
open mrt
select vivo tab
select y81s model
select write flash
open flash file folder which downloaded
hit start and insert usb calble
wait until done
https%3A//i.imgur.com/b3xQLqy.jpg[/img]']
