Brom Disabled By Efuse 0x146 «CONFIRMED ●»

The security and integrity of modern mobile hardware often depend on one-way hardware switches known as electronic fuses (eFuses). Understanding the eFuse Mechanism

"Flashing the stock ROM will restore BROM." Fact: The manufacturer deliberately disables BROM to prevent exactly that kind of unauthorized re-flashing.

Marcus handed her a new chip. "That's why we keep pre-efuse samples for development. The error message isn't a bug—it's a feature. It means the security worked exactly as designed. Now you know: never blow efuse 0x146 unless you're ready to say goodbye to the Boot ROM forever."

Because eFuse is a physical, one-time programmable memory, you once the fuse is blown. However, you do not necessarily need full BROM access. The error means the BROM refuses the standard handshake. You have three possible avenues:

brom disabled by efuse 0x146, MediaTek BROM error, SP Flash Tool 0x146, eFuse debug disabled, bypass BROM security, auth file MediaTek.