How to purchase the Xiaomi Home Secure?

If you have not purchased the Xiaomi Home Secure, please go to the [Mi Home]/[Xiaomi Home] APP >> select [Device card] >> tap [Storage management] to go to the purchase page. If the Xiaomi Home Secure is already in use or the service expired, you can go to the Xiaomi Home Secure interface and tap [Settings] >> [Renew Now] at the upper right corner to purchase the new service.