Brom Disabled By Efuse 0x146 Jun 2026
Mi Flash Tool (requires authorized account for newer models). Oppo/Realme: Oppo Download Tool or MSM Download Tool.
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
Remediation and options (ordered by safety and practicality) brom disabled by efuse 0x146
Programs like UnlockTool sometimes offer server-based flashing for specific models.
This is the most critical question. The short answer is: Mi Flash Tool (requires authorized account for newer models)
In MediaTek chipsets, is the first piece of code that executes upon power-on. It typically allows for emergency firmware flashing, system recovery, and factory repairs via a USB connection.
That said, some limited workarounds may exist in specific cases: This is a hardware-level security measure often used
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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.
