Brom Disabled By Efuse 0x146 Exclusive «2025-2027»

This is the very first code that runs when an MTK processor powers on. It resides in the chip hardware itself and cannot be modified. It's used for flashing firmware via tools like SP Flash Tool when the phone is dead or has no operating system.

If you cannot bypass 0x146, what options remain?

Smartphone manufacturers utilize eFuses to combat unauthorized third-party modifications, device theft, and software piracy. By burning the 0x146 eFuse, they guarantee that: brom disabled by efuse 0x146

If you are seeing , your device's Boot ROM (BROM) has been permanently disabled via eFuse. This is a hardware-level security measure often used by manufacturers (like Xiaomi or Samsung) to prevent low-level flashing and unauthorized firmware changes. 🧱 What this means

If you are trying to service a specific device right now, let me know: What is the of the device? Which servicing tool or software suite are you using? This is the very first code that runs

An (electronic fuse) is a microscopic fuse built into the silicon of modern mobile processors. Unlike software settings, an eFuse can be blown (burned) by the device manufacturer but never un-blown. It represents a permanent hardware change. The Meaning of Code 0x146

When encountering this error on a UART console or via USB debugging tools (e.g., mtkclient , rkdeveloptool ): If you cannot bypass 0x146, what options remain

: Many service actions can still be performed in META mode.

Manufacturers (like Xiaomi, Samsung, Oppo, and Vivo) disable BROM to prevent "unauthorized" software modifications. By blowing this fuse, the OEM ensures: