Brom Disabled By Efuse 0x146 ❲720p 2027❳

However, depending on your goal, there are alternative methods to service or unbrick the device. Solution 1: Use Preloader Mode (Crash Method)

BROM disabled by efuse 0x146: Understanding the MediaTek Security Lockdown

To counter this, manufacturers like Samsung, Xiaomi, Oppo, Vivo, and Motorola implemented aggressive hardware security policies: Security Feature Impact on Flashing & Servicing brom disabled by efuse 0x146

Let us parse the error message piece by piece:

: In extreme cases, if BROM is needed for data recovery, specialized labs may attempt hardware-level glitching (voltage glitching), though this is complex and risky. specific device model (e.g., MT6765, MT6833) are you currently working on? However, depending on your goal, there are alternative

[Your Name/Handle] Independent Hardware Security Research

On newer MediaTek chips (Helio G85, G90, G96, Dimensity series), the manufacturer logic inside the bootloader blows the debug-disable eFuse the first time the system successfully boots to Android. This is a deliberate anti-fraud measure to prevent after-sales clone flashing or unauthorized repairs. Switch your software configuration from to Preloader Mode

It prevents thieves from easily wiping a locked phone via low-level flashing.

Switch your software configuration from to Preloader Mode .

When the eFuse register is burnt, the CPU's internal logic is altered: