To give you the most accurate solution for your current situation, please share:
This specific eFuse value or address is associated with a security patch where manufacturers (notably Vivo and Samsung ) burn a fuse to shut down the BROM port entirely.
While it is a hardware state, certain approaches might help, depending on the severity of the lock: 1. Utilize a "DA" (Download Agent) File brom disabled by efuse 0x146
Modern smartphones (e.g., Xiaomi, Oppo, Vivo, Infinix) often have hardened BROM security. The 0x146 error is a security feature to prevent "MTK Client" or "SP Flash Tool" from bypassing device security. D. Compromised Device Security
Avoid "re-locking" bootloaders on custom ROMs, as this often triggers the fuse. To help you find a specific workaround, let me know: Your ? Which tool gave the error? Your end goal (unbricking, unlocking, or flashing)? To give you the most accurate solution for
Safely remove the back cover of the smartphone to expose the motherboard.
: Always verify the exact MediaTek processor version (e.g., MT6765, MT6833) before selecting a profile to ensure the correct handling of preloader security. The 0x146 error is a security feature to
Boot alternative official boot paths
: For most users, this means "one-click" unlocking or flashing tools will fail. You will likely need a specialized technician tool (like Pandora, Unlock Tool, or CM2) that supports the specific secure authentication required for your device model.
It prevents thieves from easily wiping a locked phone via low-level flashing.
This specific hex code is a status flag. When the CPU reads 0x146 from its security configuration, it tells the hardware to permanently disable the high-level BROM USB interface. Why is BROM Disabled?
