Brom Disabled By Efuse 0x146 Best Jun 2026

The following devices are among those confirmed to be affected:

Before dissecting the error, we must understand the Boot ROM (BROM).

In some cases, physical damage or severe software corruption can lead to issues with the BROM and eFuse settings. brom disabled by efuse 0x146 best

If you are reading this, you have likely been staring at a flashing tool log (SP Flash Tool, Miracle Box, or CM2 MT2) that suddenly halted progress with the dreaded error:

I can give you the specific or driver settings for that model. The following devices are among those confirmed to

Now, we connect the dots.

This is currently the most popular solution for 0x146. It uses a "Crash Preloader to BROM" method that works on many Xiaomi and Samsung MTK models without needing to open the phone. Now, we connect the dots

Boot ROM is the earliest code executed by a MediaTek processor during boot. Technicians rely on BROM mode exploits (like the famous Kamakiri exploit) to bypass authentication, dump firmware, or bypass FRP (Factory Reset Protection).

The "BROM disabled by efuse 0x146" error typically appears when:

: Running global formatting commands on an eFuse-blocked chip can trap the phone in a permanent boot loop where it can no longer communicate with the computer.

[Standard MTK Hack] -----> Vol Up/Down + USB -----> [BROM Mode] -----> Direct Chip Access (BLOCKED by 0x146) [Modern Fix] ----> Device Preloader ----> [Preloader Mode] -> Signed Auth Authentication (SUCCESS) The Best Methods to Bypass the 0x146 Error