How to watch the news from the secondary card?

Hello, if your number is 4G national master and deputy card package, the master card can check the bill, master and deputy card members and package business usage through all channels, such as the internet hall, mobile phone business hall, 100 10 self-service voice and business hall. (The use of the package business is subject to the MasterCard package). If you want to check the number details, it is recommended to log in with a secondary card to check the details. The usage information record cannot be found in the software of the mobile phone where the secondary card is located.