S-OFF or Bootloader Unlock required
To flash TWRP Touch Recovery to your device, you should to type this command in fastboot mode
fastboot flash recovery openrecovery-twrp-2.6.0.0-vivo.img
What's new in 2.6.0.0:
Special Note: If you are running a custom theme, some of the changes in 2.6.0.0...