How to unsubscribe from Unicom app billing?

1 and WO+ capacity billing services are mostly on-demand products except a few periodic products. 2. On-demand products: there is no need to cancel the purchase order, as long as the purchase fee is not paid, there will be no cost; 3. Package periodic products: periodic billing products, with a fixed period of 30 days. The periodic billing of the package supports automatic renewal when it expires, and also supports users to unsubscribe themselves. Users can notify by SMS three days before the renewal, and users can choose to renew or unsubscribe (unsubscribe mode: users can reply to TD by SMS, or call the customer service center at 400060011to assist in unsubscribe processing).