What information can the mobile phone master card check for the secondary card?

The number, package, flow, bill, status and other information of the secondary card.

As a primary card user, you can query the basic information of the secondary card through the relevant service platform or APP of the mobile phone operator. Including the number of the secondary card, the package, the remaining traffic, the bill amount and the current status of the secondary card (such as activation, suspension, etc.). ). You can also check the usage of the secondary card, including call records, SMS records, phone bill balance and other information. By querying the bill details of the secondary card, you can know the expenses and consumption details generated by the secondary card.