Skip to the content.

Brom Disabled — By Efuse 0x146

: Some devices may require an official service account (Server Auth) to flash files once BROM is disabled. Hardware Modification

Programming eFuse 0x146 to disable BROM is a powerful security measure that prevents low-level access and enforces secure boot, but it is generally irreversible and eliminates common recovery channels. Engineers should treat its programming as a late-stage, controlled action and maintain documented, vendor-approved recovery and repair processes to avoid bricking devices in the field. brom disabled by efuse 0x146

MediaTek provides authorized download agents (auth DA files) to OEMs. These files contain cryptographic keys that match the eFuse values. If you obtain the correct for your exact device model and CPU, you can load it in SP Flash Tool and bypass the error. : Some devices may require an official service

Background — BROM, eFuses, and secure boot MediaTek provides authorized download agents (auth DA files)

: If your device is still under warranty, contacting the manufacturer or the seller might be the best course of action. They may be able to repair or replace the device.

: Specifically refers to the boot process detecting that the BROM entry point has been hardware-disabled. Deep Content & Technical Impact Standard Bypasses Fail : Software-only bypasses (like mtk_payload_revived