I got a Mi Pad 6 Pro von China and installed HyperOS.
I managed to apply for unlocking in 168 h
What I did:
Checked that video:
Downloaded this:
https://drive.google.com/file/d/1R3zOXxRyYRY72o694XcwQWQnRXlpxzN4/view
Extracted to c:\php\ (be sure that you have all files and directories in c:\php and not c:\php\php)
Signin on MiPad with Xiaomi Account
Enable DeveloperMode and ADB as shown
Downloaded MiFlash from
https://dosya.co/zq1jej7lylai/miflash_unlock_en_7.6.727.43.zip.html
Extract and run MiUsbDriver.exe
Connect Pad to PC
Allow connection on Pad
Disconnect Pad
Start bypass.cmd in c:\php
Connect Pad
In developer options on pad click on Mi Unlock Status and Apply for unlock
If the command window of the script throws no errors->
Open MiFlash and sign in with same account as on Pad
Reboot Tab to Fastboot as explained
Unlock
It should stait you need to wait for 168 h
After 1 Week, start MiFlash again
Unlock should work now