What to do if the Xiaomi Home Secure cannot be purchased?

If you are unable to purchase the Xiaomi Home Secure, please check the following points:
1. Ensure that your previous subscription has expired before attempting to purchase a new one. The system does not allow overlapping subscriptions.
2. Confirm that your account region matches the supported region for Xiaomi Home Secure. Mismatched regions can prevent purchase.
3. Close and reopen the Xiaomi Home App, and restart your phone to refresh the system.
4. If the device has issues, perform a reset and try purchasing again.
5. Uninstall the Xiaomi Home App and reinstall it to ensure you are using the latest version, then attempt the purchase again.
6. If the above solutions do not resolve the issue, please submit feedback through the Xiaomi Home App for further assistance.