This indicates an asset verification mismatch. Ensure you did not accidentally download a file meant for a different variation of the Vivo Y51.
Move from obsolete Android versions to newer, supported versions (e.g., Android 12, 13, or even 14 via AOSP-based ROMs).
如果你的Vivo Y51是搭载Android 6.0或更早版本的旧款机型（如Y51L），可以尝试使用社区开发者Mintimate提供的解锁工具： vivo y51 custom rom upd
To update to a custom ROM:
A custom recovery environment is required to write new operating system partitions: This indicates an asset verification mismatch
Navigate your files to locate the downloaded custom ROM .zip file.
Stripping away Vivo's heavy background processes speeds up system performance. 如果你的Vivo Y51是搭载Android 6
Maintain at least 70% battery capacity . Back up all user data externally, as the process completely wipes your storage. Top Custom ROM Options for Vivo Y51
Upgrading your device via a custom ROM brings several transformative benefits: