Brom Disabled By Efuse 0x146 Best (2026 Update)
"BROM Disabled by eFUSE 0x146"
Understanding BROM Disabled by eFUSE 0x146 The error message is a critical security status encountered on modern MediaTek (MTK) devices during attempts to flash, unlock, or bypass FRP (Factory Reset Protection). This error indicates that the device's hardware has permanently disabled the emergency Boot ROM (BROM) mode through a physical electronic fuse (eFUSE). What is the BROM and eFUSE?
- Secure boot fused: Manufacturer burned eFuses to disable loading unsigned code.
- Boot source limited: eFuse programmed to boot only from a specific device (e.g., eMMC) and that device is empty/corrupt.
- Recovery mode disabled: Some chips let OEMs blow fuses to disable Mask ROM (BROM) recovery modes permanently.
- Hardware damage or power glitch: Rare, but corruption or incorrect voltage during eFuse programming can trigger false errors.
Remember: eFuse 0x146 is blown. You cannot un-blow it. You can only find a way to work around it . brom disabled by efuse 0x146 best
permanently
If eFuse 0x146 truly disables BROM execution : "BROM Disabled by eFUSE 0x146" Understanding BROM Disabled
Preloader
Because this is a hardware-level lock, "best" depends on how far you are willing to go. 1. The Preloader Method (Software) Instead of BROM, most modern tools now use the . Secure boot fused : Manufacturer burned eFuses to
Since the software shortcut to BROM is disabled, you must manually trigger it.
2. Possible Causes
The Goal:
You manually short a specific point on the motherboard (the CLK or DAT0 point) to ground while plugging it in.