Brom Disabled By Efuse 0x146 Jun 2026

: To prevent users or malicious actors from downgrading to an older, vulnerable firmware version, the system may blow a fuse that restricts BROM access if it detects an attempt to bypass version checks.

In the context of the Rockchip secure boot flow (referring to the Rockchip Secure Boot Application Note ): brom disabled by efuse 0x146

For the average user, encountering this error likely means your device is beyond DIY software repair. Professional services with access to signed authentication files or ISP (In-System Programming) programmers may still recover the device. For everyone else, the error signals a permanent hardware security gate that cannot be opened by standard means. : To prevent users or malicious actors from