If you cannot bypass 0x146, what options remain?
is a specific status code indicating that the manufacturer (e.g., Xiaomi, Samsung, Oppo, Vivo) has permanently disabled the standard BROM USB download mode. Why is this happening?
While specific bit mappings vary by SoC manufacturer, the error message or log entry "BROM disabled by efuse 0x146" is characteristic of . brom disabled by efuse 0x146
: Some devices may require an official service account (Server Auth) to flash files once BROM is disabled. Hardware Modification
Before looking at solutions, understand that certain common troubleshooting steps will absolutely not work for this specific hardware lock: If you cannot bypass 0x146, what options remain
eFuses (Electronic Fuses) are one-time programmable memory bits. They are used to store permanent configuration data, such as:
For the repair community, this means:
To help narrow down the best solution for your device, could you provide a few more details? Please let me know the exact , the MediaTek processor it uses (e.g., MT6765, MT6833), and which software tool you are currently trying to use. Share public link
is the very first code executed when a smartphone powers on. Hardwired directly into the processor, it acts as the device's foundation—initializing hardware, loading the next boot stages, and providing emergency recovery capabilities . This recovery mode is what many flashing tools rely on to access devices for repair or unlocking. While specific bit mappings vary by SoC manufacturer,
: A failed or interrupted firmware update or flashing process can lead to this error, especially if the process corrupted the bootloader or BROM.