So share the information of the main card and the auxiliary card of the mobile phone.

Do you mean how to share the information between the main card and the auxiliary card of the mobile phone? Can't share.

The main card and the auxiliary card of the mobile phone are two completely independent cards. The primary card and the secondary card can't view each other's call records, short messages and other information, so they can't share.

On the basis of the main card, the secondary card provides customers with both the main card and the secondary card. The main and auxiliary cards realize combined payment, and the main card is used as the payment account.