While official unlocking is possible, it involves a lengthy waiting period (often up to 30 days or more) and binding your device to a Xiaomi account. Enter , a tool that emerged from the developer community to bypass these restrictions.
The short answer:
The Wndmifit tool will highlight the offending node in red and display the exact failure reason (e.g., "Pending IRP" or "Power state failure"). wndmifit tool