Brom Disabled By Efuse 0x146 !exclusive! Jun 2026

As a result, traditional MTK tool commands throw the fatal error: BROM disabled by efuse 0x146 . 4. Hardware and Software Workarounds

MediaTek chips contain an array of eFuses, each associated with a specific bit or configuration value. When a manufacturer an eFuse, it permanently locks out certain functionalities—including, in this case, access to the BROM.

A few persistent myths circulate around the eFuse 0x146 error: brom disabled by efuse 0x146

The 0x146 error surfaces under the following common scenarios:

❌ The BROM is locked, so standard flashing tools cannot communicate with the core chip to overwrite it. As a result, traditional MTK tool commands throw

Bricked? Don't Panic! Understanding and Potentially Recovering from "BROM disabled by eFuse 0x146"

If those fail, you may need to pay for a remote flashing service where a technician logs in with an official server-authorized ID. 4. Modified DA Files When a manufacturer an eFuse, it permanently locks

When you connect a dead or powered-off MediaTek device to a PC, the BROM is the component that listens for a handshake signal from tools like SP Flash Tool or Miracle Box. Once the handshake succeeds, the BROM loads the next-stage bootloader (preloader) into internal RAM for execution.