Brom Disabled By Efuse 0x146 Best

or similar, at which point you can release the short and use your flashing tool. What is the exact model

Use tweezers to connect that specific point to the copper grounding shield.

Since standard BROM exploits are blocked, you must use methods that target the mode instead of the BootROM: Preloader Auth Bypass : High-end servicing tools like the Unlock Tool UMT (Ultimate Multi Tool) brom disabled by efuse 0x146 best

Since the hardware BROM is disabled, you must leverage the phone's . The Preloader is the secondary bootloader stage stored in the device's flash storage. Professional servicing platforms like UnlockTool , DFT Pro , and Pandora Box can force communication using model-specific preloader authentication files.

Providing the brand and model name can help determine if a known Preloader-based workaround exists. or similar, at which point you can release

Software like UnlockTool or Pandora Box exploits vulnerabilities within the device’s specific signed Preloader file.

: Smartphone manufacturers (like Samsung, Vivo, and Oppo) blow these physical fuses during production or during critical over-the-air (OTA) security updates. The Preloader is the secondary bootloader stage stored

In this comprehensive guide, we will break down what this error means, why it is different from previous security mechanisms, and—most importantly—the known methods to resolve or work around it.

Are you trying to or fix a bricked device , and what is the specific model you're working on?

Understanding and Fixing "BROM Disabled by eFuse 0x146" on MediaTek Devices

The only correct way to bypass the 0x146 restriction is to use an signed with a key that matches the efuse configuration. Unauthorized DAs (like the generic MTK_AllInOne_DA.bin ) will fail immediately.