How to Flash Vivo Y71 with Flash Tool, Firmware or Stock ROM

Vivo Y71 Firmware

When to use the Stock Firmware:

Stock Firmware flashing can be applied to Unbrick your Vivo Y71
Stock ROM flashing can be applied to fix Bootloop issues.
Stock Firmware flashing can be applied to either upgrade or downgrade your Vivo Y71
It can be applied to unroot or fix bugs on your Vivo Y71.
To fix stutter or lag on your Vivo Y71
Stock firmware flashing is effective in solving software issues of Vivo Y71.
Stock firmware flashing can be applied to revert back to the stock of your Vivo Y71 to gain your warranty.