Notice: The Mi Community way needs a 30 day old account.
Step 3: Enable Dev Options and Ask for Permission.
To Enable Dev Options, Spam OS Version/HyperOS Version in About device and then navigate to Additional Settings ---> Developer Options
After That, Enable OEM Unlocking and enter Mi Unlock Status and Apply for Unlocking. if it says that it was successful, then youre golden. if it tells you to go to mi community, install the mi community app, log into your xiaomi account, go to the me section and tap unlock botloader and at 12 pm chinese time, apply for unlocking. if it gives an error, try tommorow.
Step 4: Hard Part
Wait 7 Days.
yes, im serious.
after thats done, download the Latest Mi Unlock Tool Online and Log into your xiaomi account.
after that, put the device in fastboot mode (while shut down, hold power+vol down) and press continue in the mi unlock tool.
Voila!
WARNING: the mi unlock tool should look like this: