The error "BROM disabled by efuse 0x146" means that the device manufacturer has permanently blown a physical hardware fuse (eFuse) on your MediaTek device's chipset. This action forcibly blocks access to the low-level Boot ROM (BROM) mode.
In the world of embedded systems, smartphones, and MediaTek (MTK) powered devices, users and technicians often encounter cryptic error messages when trying to flash firmware, unlock bootloaders, or bypass security mechanisms. One of the most frustrating and increasingly common errors is the dreaded "BROM disabled by eFuse 0x146." brom disabled by efuse 0x146
Myth: "Flashing the stock ROM will restore BROM."
Fact: The manufacturer deliberately disables BROM to prevent exactly that kind of unauthorized re-flashing. The error "BROM disabled by efuse 0x146" means
Test Point (Hardware Shorting): On some models, physically shorting the CLK (Clock) or VCORE pin to Ground (GND) on the motherboard can sometimes bypass the software-level block, though this is increasingly rare on the newest security patches. One of the most frustrating and increasingly common