[ Hardware Power On ] ──> [ Boot ROM (BROM) ] ──> [ Preloader ] ──> [ Android OS ]
What “BROM disabled by eFuse 0x146” typically means
Switch your software configuration from to Preloader Mode .
Understanding the "BROM Disabled by eFuse 0x146" Error: Causes, Impact, and Fixes brom disabled by efuse 0x146
Use approved vendor recovery/authorization
If BROM is unavailable, some operations can still be performed in Factory Mode These modes do not require the BROM handshake.
Think of an eFuse as a scratch‑off card: after the coating is removed, what's revealed stays revealed forever. It cannot be re‑covered. [ Hardware Power On ] ──> [ Boot
Understanding the "BROM Disabled by eFuse 0x146" Error: Causes and Solutions
: By disabling BROM, the device forces all firmware operations to go through a Secure Download Agent . This requires a specific "Authentication File" (.auth) or "Certificate" from the manufacturer to perform any task in SP Flash Tool or similar programs.
Checklist for practical troubleshooting
Remediation and options (ordered by safety and practicality)
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