The application of TV value-added education belongs to value-added service, and the general charging methods of value-added service are communication fee and information fee. Communication fee: the fee arising from the occupation of Unicom's communication network resources, such as SMS communication fee and Internet traffic fee. Information fee: refers to the fee generated by users using information and application services provided by value-added service providers (SP/CP for short). There are a variety of charging methods, such as per time, per day, on time, monthly subscription, annual subscription, etc. Query and unsubscribe methods are as follows:

1. You can log on to the homepage of online business hall of China Unicom, and click "Deal with Business" > "Other Business" > "Deal with Business Record" to inquire about the SP business information you have handled, such as the acceptance place and date.

2. unsubscribe method: if you need to cancel, you can click business processing > other business > value-added business > my new business > business unsubscribe on the homepage of Unicom's online business hall. The service you ordered will be displayed in the interface. After finding the service you want to unsubscribe, you can unsubscribe from the value-added service.

3. You can also call the local customer service hotline 100 10 to unsubscribe.

Tips: If other operators have value-added services, it is recommended to call the corresponding local manual customer service for details.