Brom Disabled By | Efuse 0x146 !!better!!

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.

Instead of holding Vol+ and Vol- to force BROM, you simply plug the device in normally (or hold only one button).

The tool will attempt to use a "signed" Download Agent (DA) to communicate through the Preloader. 2. The Test Point Method (Hardware) brom disabled by efuse 0x146

If the software-only "BROM jump" fails, you may have to open the device. By shorting a specific on the motherboard to Ground (GND) while plugging it in, you can sometimes force the processor to ignore the fuse's instruction and enter a functional BROM state.

There is a common misconception that you can "reset" this fuse. Once an efuse is blown, it is a permanent physical change to the processor. However, there are two ways to work around it: 1. Use "Preloader Mode" Instead of BROM In 2020 and 2021, a major exploit was

Switch your tool's setting from "BROM" to or "VBO" mode.

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? There is a common misconception that you can

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 :