The 168-Hour Ghost
If the device is "Cloud Locked" (Mi Account lock), you may need third-party tools to bypass or disable the service. Unlocking Bootloaders - postmarketOS Wiki
That’s when he found it. A shadowy forum post from 2021, buried under three layers of dead links. The file name was ominous:
You log into the Mi Unlock Tool, hit the button, and get that soul-crushing error: "Wait 168 hours to unlock."