In the context of the Rockchip secure boot flow (referring to the Rockchip Secure Boot Application Note ):
The presence of brom disabled by efuse 0x146 signals a turning point. MediaTek has learned from Qualcomm’s EDL (Emergency Download Mode) locking. Moving forward:
Diagnostics steps:
October 26, 2023 Subject: Analysis of Boot ROM (BROM) Disablement via eFuse Configuration 0x146 Status: Informational / Security Advisory
In MediaTek chipsets, is the first piece of code that executes upon power-on. It typically allows for emergency firmware flashing, system recovery, and factory repairs via a USB connection.
Modern servicing tools have adapted to these eFuse locks. Instead of trying to force the device into BROM mode, utilize .
