Brom Disabled By Efuse 0x146 [exclusive] May 2026

The is the first piece of code that runs when you power on a MediaTek chipset. It is hardcoded into the silicon. Its job is to initialize the hardware and look for a bootloader to hand off control to. For developers and technicians, BROM mode is the "holy grail" because it allows for low-level communication with the device before the operating system or security software loads. The Significance of "efuse 0x146"

with old exploits; they won't work. Update your drivers (specifically the LibUSB filters). brom disabled by efuse 0x146

Instead of holding Vol+ and Vol- to force BROM, you simply plug the device in normally (or hold only one button). The is the first piece of code that

Note: This varies by model and carries a risk of hardware damage. 3. Authorized Flashing For developers and technicians, BROM mode is the

Identify the exact SoC (e.g., MT6765) and search for a specific to that brand.

This error typically appears in tools like SP Flash Tool, MTK Client, or various "unlock boxes" (UnlockTool, Chimera, etc.). Here is a deep dive into what this means and what you can do about it. What is BROM?

More importantly, in many newer Oppo, Realme, and Vivo devices, this fuse indicates that in favor of "Preloader" mode only.