In 2020 and 2021, a major exploit was discovered that allowed users to bypass MediaTek security using a "Boot ROM exploit." This allowed anyone to bypass FRP or flash custom firmware without official authorization.
More importantly, in many newer Oppo, Realme, and Vivo devices, this fuse indicates that in favor of "Preloader" mode only. brom disabled by efuse 0x146
While the "0x146" fuse means the "easy" door is locked, the "Preloader" door is usually still cracked open if you have the right authentication files. In 2020 and 2021, a major exploit was