Disabled By Efuse 0x146 !!hot!! — Brom

When you encounter the "BROM disabled by eFuse 0x146" error, it typically indicates that the Boot Read-Only Memory (BROM) functionality has been disabled due to a setting or a configuration stored in the eFuse at address 0x146. This could happen for a variety of reasons, including but not limited to:

| SoC Family | Specific Models Reported | Common Context | | ---------------- | --------------------------------------- | --------------------------------------- | | | A64, H3, H5, H6, V3s, R16, R328 | Single-board computers, IP cameras, eReaders | | Amlogic | S905X, S912, A113X (less common) | TV boxes (when secure boot fuse set) | | Rockchip | RK3328, RK3399 (via FSCK_EFUSE error) | Chromebooks, industrial boards | | Actions Semi | ATM7059, S900 | Low-cost tablets | brom disabled by efuse 0x146

This specific hexadecimal value (0x146) corresponds to a hardware security state. When this "fuse" is blown at the factory or via secure boot provisioning, it permanently disables certain BROM access methods, such as the standard USB Download Mode used by tools like SP Flash Tool. Disabled Status: The device is in a Secure Boot SLA (Serial Link Authentication) When you encounter the "BROM disabled by eFuse

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It appears not in a user-friendly operating system, but in the stark, unforgiving output of a serial console during an attempted boot. It is the digital equivalent of a sealed tomb: the chip is alive, but its primary recovery mechanism has been deliberately, and permanently, killed. Disabled Status: The device is in a Secure