You can download the latest beta of MIUI 12.5 for your device from the links below. While all of these download links are directly from Xiaomi, users are advised to proceed at their own risk. We warn you once again, this is not intended for the average consumer and is recommended only for users comfortable with flashing ROMs.
REDMI K30S – MI 10T / 10T PRO
Poco F2 Pro/Redmi K30 Pro Zoom edition