Method 1: The Preloader/META Mode Exploit (No Hardware Disassembly)
Since this is a hardware-level block, standard software bypasses often fail. Below is a guide to understanding and addressing this issue. Understanding the Error What is BROM?
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When you see this error, it means the manufacturer has burned an eFuse that tells the processor to ignore "Force BROM" commands. This is part of a "New Security" update designed to prevent users from using common bypass tools (like UMT, Hydra, or MCT) to circumvent authentication. Why Manufacturers Disable BROM
"BROM disabled by efuse 0x146" is a hardware-level security measure found on newer MediaTek (MTK) devices, including brands like Vivo, Oppo, and Samsung Method 1: The Preloader/META Mode Exploit (No Hardware
If you are still receiving the 0x146 error during your flash sequence, check for these common faults:
Locate the precise Test Point diagram for your phone model via trusted developer forums. This public link is valid for 7 days
The error is common on many popular MediaTek-powered phones that have received a security patch that blows the disabling eFuse. Affected brands include:
The error is not a bug—it is a deliberate security feature that marks the end of low-level, unauthorized access on modern MediaTek devices. The best solution is not a magical one-click crack, but a disciplined approach:
Search for "Samsung KG Unlock ADB Method" on YouTube for visual walkthroughs of the test mode exploit.