Brom Disabled By Efuse 0x146 May 2026

"BROM disabled by efuse 0x146"

The error indicates that your MediaTek (MTK) device has a permanent hardware-level lock that prevents traditional "BROM mode" exploits.

Rarely, eFuse only affects USB BROM, not JTAG. But on modern MTK, both are fused. brom disabled by efuse 0x146

Authorized Account

For some high-security devices (like newer Xiaomi or Oppo models), the only way to bypass this is using an . The tool connects to the manufacturer's server, verifies a digital signature, and "unlocks" the path for the flash tool to proceed despite the fuse status. Summary for Technicians If you see 0x146 : "BROM disabled by efuse 0x146" The error indicates

Authorization, not hardware modification, is the official solution.

The technician tried three different DA files without success. Then, using the official Infinix authorized auth_sv5 file obtained from the service center, the tool successfully handshook with the BROM, bypassed the eFuse check completely, and allowed a full firmware download. The key takeaway: The technician tried three different DA files without