Brom Disabled By Efuse 0x146 //top\\ File

Modern smartphones (e.g., Xiaomi, Oppo, Vivo, Infinix) often have hardened BROM security. The 0x146 error is a security feature to prevent "MTK Client" or "SP Flash Tool" from bypassing device security. D. Compromised Device Security

: BROM executes the very first lines of code when you power on your device.

This error typically appears in the log outputs of service tools like SP Flash Tool, MTK Client, UnlockTool, or Chimera when attempting to force the device into Boot Rom (BROM) mode.

eFuses are physically blown (irreversibly programmed) during manufacturing or first boot. Each fuse corresponds to a bit or a small field in a memory-mapped register space. Common eFuse uses include: brom disabled by efuse 0x146

When a servicing tool outputs Brom disabled by Efuse[0x146] , it means the device attempted to activate BROM mode but was prevented by the processor's internal eFuse configuration. The hexadecimal value is a vendor‑specific identifier indicating which particular fuse or fuse set has been programmed to disable BROM.

If BROM is unavailable, some operations can still be performed in Factory Mode These modes do not require the BROM handshake.

Connect the phone to the computer (or by holding just Volume Down). Modern smartphones (e

Because EFuse is a physical, hardware-level restriction, you cannot simply flash a new file or use a special tool to "turn it back on." According to GSM-Forum and GSMHosting , "there is no solution for enable brom". However, technicians often look for alternative paths: 1. Preloader Mode Attempt

If you cannot bypass 0x146, what options remain?

In your flashing tool, look for a setting or checkbox labeled "EMI Custom" , "Force Preloader" , or "Preloader Mode" . Do not select "Crash Preloader to BROM" or "Force BROM". Compromised Device Security : BROM executes the very

Select your exact device model and let the software exploit the preloader handshake rather than targeting the base boot ROM. 2. Hardware Test Point (ISP / EDL)

Boot alternative official boot paths

(especially Samsung and Vivo MTK models) almost all have this e-fuse blown.