This error typically appears in tools like SP Flash Tool, MTK Client, or various "unlock boxes" (UnlockTool, Chimera, etc.). Here is a deep dive into what this means and what you can do about it. What is BROM?
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. brom disabled by efuse 0x146
For some high-security devices (like newer Xiaomi or Oppo models), the only way to bypass this is using an . The tool connects to the manufacturer's server, verifies a digital signature, and "unlocks" the path for the flash tool to proceed despite the fuse status. Summary for Technicians If you see 0x146 : This error typically appears in tools like SP
is a specific status code indicating that the hardware-level "SLA" (Serial Link Authentication) and "DAA" (Download Agent Authentication) are strictly enforced. In 2020 and 2021, a major exploit was
Instead of holding Vol+ and Vol- to force BROM, you simply plug the device in normally (or hold only one button).
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.