Because official auth files can be hard for independent technicians to find, developers have created . These tools use an exploit in the BROM to disable the security check temporarily.
Modern MediaTek chipsets employ a "Secure Boot" mechanism. When you attempt to flash firmware, remove a screen lock, or bypass an FRP (Factory Reset Protection), the device's Boot ROM (BROM) checks for a valid authentication file.
: Once the tool verifies the auth file, the flashing progress bar should move from red (DA download) to yellow (firmware flash). Bypass Methods (Alternative to Auth Files)