Brom Disabled By Efuse 0x146 <Latest>

If you provide the specific SoC or vendor (e.g., MediaTek, Qualcomm, Allwinner, etc.), I can tailor the article with vendor-specific eFuse behavior, exact diagnostic commands, and example vendor-tool workflows.

Rarely, eFuse only affects USB BROM, not JTAG. But on modern MTK, both are fused. brom disabled by efuse 0x146

: Some technicians attempt "test point" methods to force the device into a different state, though the 0x146 lock is designed to be resilient even against these physical interventions. If you provide the specific SoC or vendor (e

: For Vivo specifically, some tools use a "VFM" or "MTK Universal" approach that targets the Preloader instead of the BROM. Do you have a specific phone model that is giving you this error? Zuber Mobile : Some technicians attempt "test point" methods to

But if that next stage is corrupted? Or if you're trying to recover via USB boot, which the Boot ROM handles? The chip locks you out. No JTAG. No USB recovery. No second chance.