: Always verify the exact MediaTek processor version (e.g., MT6765, MT6833) before selecting a profile to ensure the correct handling of preloader security.
Init BROM... OK Force Charge... OK Disable WatchDog Timer... OK Brom disabled by Efuse[0x146]
The configuration represented by eFuse 0x146 indicates that the chip has been permanently configured to ignore or disable the standard BROM entry path, typically enforcing a "Secure Boot" scheme where the BROM hands over execution to on-chip ROM or secondary loader code that requires valid signatures. Once blown, this setting is irreversible. For developers, this results in a "bricked" device regarding standard software recovery methods; for OEMs, it is a critical step in securing the device against unauthorized code execution via standard recovery modes (e.g., Mask ROM mode).
Release the tweezers once the computer detects a connection port. This bypasses the standard boot sequence and forces the chip to communicate. Method 3: Authorized Service Tools (Service Accounts) brom disabled by efuse 0x146
The error message directly indicates that . Button combinations (like Volume Up + Volume Down) or software forced-reboots will no longer expose the standard MediaTek USB port required by traditional flashing utilities. Why Manufacturers Implement This Lock
using unofficial, unknown tools.
Configure the software settings to force communication via instead of BROM. Power off the phone completely. : Always verify the exact MediaTek processor version (e
Replace/repair the eFuse-reading component (rare)
cannot be easily modified or modified for unauthorized network use. Service Strategies for Affected Devices
No. eFuses are hardware fuses. Once blown, they cannot be un‑blown by any software. No patch, no exploit, no vendor update can change this state. OK Disable WatchDog Timer
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) :
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.
Stop trying to use old, outdated MTK bypass scripts; they will continue to fail.
❌ Avoid paying for generic software claiming to "unblock eFuses." They are often scams. 💡 How to Work Around It