How to unlock the bootloader on HyperOS (F6)?

Hey, I have a Poco F6 and want to unlock the bootloader. I have been doing the application for unlocking through the Xiaomi Communty app every single day at 0:00 China time, but I keep getting the Application quota limit reached error.

I'm on HyperOS 3.0.5.0 (EEA). Did anyone manage to unlock the bootloader and got any tips? Or are there any other reliable ways or workarounds? Thanks!