How to unsubscribe from Unicom app billing?

1 and WO+ capacity charging services are mostly on-demand products except for a small number of periodic products. 2. On-demand products: there is no need to cancel a single purchase, as long as the purchase is not paid, there will be no cost; 3. Package periodic product: it is a periodic billing product with a fixed period of 30 days. Regular subscription billing supports automatic renewal when it expires, and also supports users to unsubscribe themselves. Users can inform them 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 4000600611to assist in unsubscribe processing).