Brom Disabled By Efuse 0x146 -

corresponds to a bitmask in the device’s security configuration register. When this specific fuse is blown, the SoC is instructed to ignore external "handshake" signals that would normally trigger BROM mode.

The manufacturer has enabled Secure Boot. This means the Boot ROM will only accept signed, authorized code. If you try to use standard SP Flash Tool authentication, the device denies access to prevent unauthorized modification. B. Anti-Rollback Mechanisms

In MediaTek chipsets, is the first piece of code that executes upon power-on. It typically allows for emergency firmware flashing, system recovery, and factory repairs via a USB connection. brom disabled by efuse 0x146

For years, tools like SP Flash Tool, UnlockTool, and MTKClient exploited a vulnerability in this mode to bypass authentication requirements. Understanding the eFuse and Error 0x146

: BROM executes the very first lines of code when you power on your device. corresponds to a bitmask in the device’s security

: In some cases, hardware faults or issues with the device's storage or memory can lead to this error.

What are you trying to perform? (e.g., unbricking, removing FRP, unlocking the bootloader) This means the Boot ROM will only accept

The low-level USB interface is physically disabled by hardware eFuses, preventing software tools from force-booting the device into an unprotected state.

Manufacturers use this to prevent "unauthorized" flashing or bypassing of security features. By blowing this fuse, the phone is instructed to ignore standard BROM entry commands (like holding Volume buttons while plugging in the USB). Instead, the device will only communicate through higher-level, more secure modes like . Common Scenarios for this Error

For many newer Xiaomi or Oppo phones with 0x146 enabled, the only way to flash is using an .