Brom Disabled By Efuse 0x146 Jun 2026

Since the BROM interface is disabled, you must communicate with the device through the . The Preloader is the second-stage bootloader stored in the device's flash storage (eMMC or UFS).

For many newer locked devices, companies require secure server authentication to flash firmware. brom disabled by efuse 0x146

Official service center tools (like those from Vivo or Samsung) may still have access via signed authentication protocols that don't rely on the legacy BROM exploit. Since the BROM interface is disabled, you must

How to confirm the cause (diagnosis steps) Official service center tools (like those from Vivo

❌ Avoid paying for generic software claiming to "unblock eFuses." They are often scams. 💡 How to Work Around It

In extreme cases, technicians may need to disassemble the device and short specific "Test Points" on the motherboard to bypass the software-level BROM disablement, though this does not work on all newer 0x146-protected chipsets.

Background — BROM, eFuses, and secure boot