Are you struggling with a bricked or boot-looping Vivo Y21 (V2111) or Vivo Y21A (V2149)? If your device became dead after a failed update or attempted downgrade, you need a reliable, pre-tested firmware solution. Modern Vivo devices often introduce security patches that make standard flashing or repair procedures difficult, resulting in a hard brick or continuous boot cycles.
Our specialized Tested Downgrade Firmware File is the professional solution designed to reverse these complicated issues. This firmware is a certified older build that allows you to bypass the latest security restrictions, making deep-level flashing possible.

Why Choose This Downgrade File?

The Vivo Y21 and Y21A models typically run on MediaTek chipsets (like the Helio P35 or G35). Standard flashing tools, such as the SP Flash Tool, often require specific firmware versions to successfully initiate the process and correct critical partition errors. Our file addresses the common "Vivo Y21A dead after downgrade" error by providing the stable base required for a full recovery.This package includes the necessary scatter files and preloader data, ensuring full compatibility with professional flashing boxes and tools used by technicians (such as UFI, UMT, or Hydra). By installing this tested downgrade file, you can successfully:

• Resolve persistent boot loop problems.
• Fix devices that are hard-bricked (dead boot repair).
• Remove common software errors and hangs.
• Restore the device to a fully functional, factory state.

Stop risking further damage with untested files. Download the proven and tested Vivo Y21/Y21A downgrade firmware today and bring your device back to life safely and efficiently.