Vivo Y9s or Z5i Firmware

When to use the Stock Firmware:

• Stock Firmware flashing can be applied to Unbrick your Vivo Y9s or Z5i
• Stock ROM flashing can be applied to fix Bootloop issues.
• Stock Firmware flashing can be applied to either upgrade or downgrade your Vivo Y9s or Z5i
• It can be applied to unroot or fix bugs on your Vivo Y9s or Z5i.
• To fix stutter or lag on your Vivo Y9s or Z5i
• Stock firmware flashing is effective in solving software issues of Vivo Y9s or Z5i.
• Stock firmware flashing can be applied to revert back to the stock of your Vivo Y9s or Z5i to gain your warranty.

Download Vivo Y9s or Z5i Stock ROM here