If your device is stuck on the vivo logo or rebooting repeatedly (bootlooping), flashing the official firmware can restore it.
2021 updates often included system optimizations to make the Funtouch OS 9 experience smoother on the Y12i's Snapdragon 439 chipset. vivo y12i firmware 2021
It is often used by technicians to resolve forgotten lock patterns or pins, though this should only be done for legitimate ownership reasons. How to Download and Install If your device is stuck on the vivo
Firmware released in mid-2021 includes Google’s security updates, protecting your device from known vulnerabilities. protecting your device from known vulnerabilities.