When a device outputs brom disabled by efuse 0x146 , it indicates that the BROM has been intentionally disabled by a specific eFuse. This paper explores the technical underpinnings of this error, focusing on eFuse address 0x146 .
If you're not comfortable attempting fixes yourself or if the device is no longer under warranty, seek professional help.
An Electronic Fuse (eFuse) is a tiny bit of non-volatile memory in the CPU that can only be "burned" once (set from 0 to 1) and never reverted.
The only reliable solution. Newer replacement boards come with the eFuse already blown (same as original). You cannot downgrade.
If you're reading this, chances are you've encountered a rather cryptic and intimidating error message: "BROM disabled by eFuse 0x146". This issue typically arises on certain Android devices, particularly those with Mediatek (MTK) chipsets, when attempting to flash or modify the device's firmware. Don't worry; this post aims to demystify the error, its implications, and possible steps to recover from it.