How to unsubscribe from the universal card package?

I can't unsubscribe after the universal card package is successfully activated. It is recommended to bring my valid certificate to the business hall for cancellation. Customer service 34 will answer your questions. Guizhou users pay attention to China Telecom's customer service in Guizhou. The official account of WeChat can be paid by WeChat, and the phone bill can be checked with one click. Traffic, points, bills and detailed bills can be operated by themselves, which is convenient and fast.