Brom Disabled By Efuse 0x146 [ FULL × 2026 ]

Background — BROM, eFuses, and secure boot

BROM is the most fundamental level of a MediaTek device's boot process. Historically, technicians used it to unbrick phones or bypass screen locks because it could communicate with a computer before the operating system or security layers loaded. Why the 0x146 Error Occurs brom disabled by efuse 0x146

brom disabled by efuse 0x146 is the chip's way of saying, "I have been permanently configured to distrust my own starting code. You cannot wake me the old way. Bring a new chip or the correct secure boot image—there is no back door." Background — BROM, eFuses, and secure boot BROM

For many devices where BROM is disabled, you must open the phone and short a specific to force the device into a flashable state. Authorized Firmware (Auth Account) : You cannot wake me the old way

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.