Eftsu Flash Tool

Xiaomi devices are notoriously difficult to unlock. The Eftsu tool, combined with a specific "firehose" loader (auth boot file), can bypass Xiaomi's official unlocking wait time (often 168 hours or 360 hours) by directly writing to the secure partition.

stands for Easy Firmware Team Software Update . As the name implies, it is a Windows-based utility software designed primarily for flashing firmware (Stock ROMs) onto Android devices. eftsu flash tool