Unicom's supplementary card is added to the main package. Will the original bag be replaced?

Unicom's secondary card will be added to the main package, and the original package will be disconnected. According to relevant public information, Unicom's secondary card needs to join the main package business, and the package needs to be changed after the main and secondary cards are split. The owner himself carries his valid ID card to the Unicom main hall where the number belongs, splits the main card and the auxiliary card and exchanges the contents of the main card and the auxiliary card.