Brom Disabled By Efuse 0x146 'link'

: In many cases, the only way to flash such a device is through Authorized Mi Accounts or specialized manufacturer tools that use signed authentication (DA/Auth files) that the locked BROM still recognizes.

What is the of the device? (e.g., Vivo Y21, Samsung A13)

As of May 2026, . The eFuse cannot be un‑programmed, and the boot ROM code reads it before offering any low‑level access. brom disabled by efuse 0x146

What is your ultimate goal—are you trying to , remove a factory lock , or flash custom firmware ? Share public link

Once an eFuse is blown, its physical state changes permanently from a 0 to a 1 (binary bit flip). : In many cases, the only way to

Devices tied to corporate Mobile Device Management (MDM) platforms or Samsung's finance programs utilize this protocol. If a user stops paying for a financed phone or attempts to bypass an MDM lock via BROM exploits, the device's security system triggers an intentional hardware eFuse burn. This ensures the phone cannot be wiped or repurposed using low-level flashing tools. 📊 Impact on Device Servicing and Repair

The Brom disabled by Efuse[0x146] error is a permanent hardware lock that manufacturers use to enforce security and prevent unauthorised low‑level modifications. For repair technicians and enthusiasts, encountering this message means traditional BROM‑based servicing is impossible. Understanding the role of eFuses and the irreversible nature of these locks is critical for anyone working with modern MediaTek devices. As manufacturers continue to tighten security, we can expect more sophisticated lockouts—making research and caution more important than ever. The eFuse cannot be un‑programmed, and the boot

For some older or specific Mediatek devices, finding the on the motherboard to force the device into BROM mode before the secure boot check happens might work, but with 0x146, this is rarely successful. 5. How to Avoid 0x146 in the Future

This involves carefully opening the device to expose the motherboard.

matched to your device's region.