Brom Disabled By Efuse 0x146 Best |best| Access
[Software Exploit Attempt] │ ▼ [Check Hardware Security Register] │ ├──► If eFuse 0x146 is Blown (1) ──► Hard Blocks BROM Mode ──► "Error 0x146" │ └──► If eFuse is Intact (0) ──► Allows Direct BROM Access
Ensure you have the latest MediaTek USB Drivers and LibUSB-Win32 filter drivers installed on your computer. Without these, your PC will drop the device connection instantly.
Plug the USB cable into the phone. Watch the log window in the utility. If successful, the software will state Jumping to BROM... OK and display your chipset parameters, completely ignoring the 0x146 hardware error flag. Important Precautions brom disabled by efuse 0x146 best
Sometimes the error isn't just the fuse; it's that the software doesn't know how to talk to your specific chip version.
Navigate to the main options tab and select "VIVO Force BROM (2022/2023/2024)" or "MTK Force BROM via Preloader" depending on your specific OEM. [Software Exploit Attempt] │ ▼ [Check Hardware Security
Use tweezers to short the identified test point to a metal shield (ground). Connect the USB cable to your PC while holding the short. Check your Device Manager; it should appear as "MediaTek USB Port"
Once eFuse 0x146 is blown, it cannot be reversed . It is a physical, one-time change. You cannot "un-blow" an eFuse. Watch the log window in the utility
The only correct way to bypass the 0x146 restriction is to use an signed with a key that matches the efuse configuration. Unauthorized DAs (like the generic MTK_AllInOne_DA.bin ) will fail immediately.