Brom Disabled By Efuse 0x146 May 2026

"BROM disabled by efuse 0x146"

The error message refers to a hardware-level security lock on MediaTek (MTK) devices that permanently disables the BootROM (BROM) interface to prevent unauthorized flashing or data extraction . Core Mechanism

Introduction:

Subject: [BROM Disabled] Stuck on Error 0x146 (eFuse Lockout)

"BROM disabled by efuse 0x146,"

Understanding the "BROM Disabled by efuse 0x146" Error If you are trying to unbrick, flash, or bypass the Factory Reset Protection (FRP) on a MediaTek (MTK) device and encounter the error you have hit a significant security roadblock. brom disabled by efuse 0x146

When the value at 0x146 is read by the SoC's power management or early boot logic: "BROM disabled by efuse 0x146" The error message

While there is no "magic button" to un-blow a fuse, the community uses these advanced methods: That ROM contains the first-stage bootloader—the code that

"When chip designers build a System-on-Chip, they put a Boot ROM inside. That ROM contains the first-stage bootloader—the code that initializes security engines, checks for valid firmware, and loads the next stage from flash or USB.