You can get the newest (or later) from official sources or trusted developer forums.

belongs to a "new" era where MediaTek introduced and Authentication (Auth) files . The Lock : Modern

: Manual installation through Device Manager is often necessary to ensure the computer recognizes the device in "Preloader" or "BROM" mode.

Because the MT6765 is a newer platform, users often face specific error codes.

This process is typically used to a dead phone, flash a stock ROM , fix boot loops, or remove FRP (Factory Reset Protection).

Remember: Always match the exact firmware build number (e.g., V12.5.9.0.RJOINXM for Redmi 9C). Using a “new” tool with the wrong firmware will still brick the device.