Open the App, click "Smart - Featured Services"; click the service you want to unsubscribe; click the "My Orders" option in the upper right corner; click the "Subscription History" option on the right; find your order, click and select Unsubscribe That's it.If you do not find the path, please do as follows: open the App, open the App, click "Smart - Featured Services"; click "My Services", select the service you want to unsubscribe, and click Unsubscribe.