Brom Disabled By Efuse 0x146 Jun 2026

Avoid "re-locking" bootloaders on custom ROMs, as this often triggers the fuse. To help you find a specific workaround, let me know: Your ? Which tool gave the error? Your end goal (unbricking, unlocking, or flashing)?

ISP is ; it requires specialised hardware, micro‑soldering skills, and carries a high risk of permanently destroying the device. It is only practical for very high‑value data recovery or specialised repair centres. Even then, ISP cannot bypass the BROM itself—it just gives direct access to the flash storage. brom disabled by efuse 0x146

BROM is a part of the device's system that is responsible for booting up the device. It's essentially the first piece of software that runs when you turn on your device, initializing the hardware and loading the bootloader. Avoid "re-locking" bootloaders on custom ROMs, as this

Switch your software configuration from to Preloader Mode . Your end goal (unbricking, unlocking, or flashing)

Article last updated: 2025 – for MediaTek chipsets up to Dimensity 9300. Information based on reverse engineering efforts from the MTK community and public BROM dumps.