Brom Disabled By Efuse 0x146 Best May 2026

Consequently, the BROM stops execution and returns the error code or a plain text string: BROM disabled by efuse 0x146 (or similar, depending on the tool). Why Is This Error Appearing Now? You may be wondering: "I flashed hundreds of MTK phones before. Why is this happening?"

Always make a full backup of the preloader and bootloader partitions before experimenting with low-level flashes. Once the efuse is checked and blocks you, there’s no software button to undo it. Have you successfully bypassed the 0x146 error on a specific model? Share your experience with the exact DA version and chipset in professional repair forums—but remember, there is no universal magic bullet.

The answer is (Secure Layer Authentication and Download Agent Authentication). Starting with Android 10 and widespread on Android 12/13 devices, OEMs began burning these efuses at the factory. brom disabled by efuse 0x146 best

Introduction If you are reading this, you have likely been staring at a flashing tool log (SP Flash Tool, Miracle Box, or CM2 MT2) that suddenly halted progress with the dreaded error: "BROM Disabled by Efuse 0x146."

For many repair technicians and bootloader hackers, this error feels like a digital dead end. It appears when you attempt to flash, unbrick, or bypass the security on newer MediaTek-powered devices. Unlike older "BROM errors" that could be bypassed with preloaders or auth files, error 0x146 signals a fundamental hardware-based lockdown. Consequently, the BROM stops execution and returns the

When the BROM checks this efuse at boot, it finds that the bit is . The configuration at 0x146 tells the BROM: "Do not allow any unauthorized or unauthenticated download agent (DA) to run. Disable DMA access. Force a secure handshake only."

In this comprehensive guide, we will break down what this error means, why it is different from previous security mechanisms, and—most importantly—the known methods to resolve or work around it. What is BROM? A Quick Refresher Before dissecting the error, we must understand the Boot ROM (BROM). Why is this happening

Investing in a legitimate service dongle (Octoplus, Chimera, Medusa) is no longer optional—it's mandatory. These dongles receive regular updates with authenticated DAs.