Change your default card
The first card that you add to Wallet is your default card. If you add more cards and want to change your default, use these steps.
Go to Settings > Wallet & Apple Pay on your iPhone or iPad. Tap Default Card, then choose a new card.
To change the default card for your iPhone, you can also open Wallet, touch and hold a card, then drag it to the front of your cards.
Update your billing and contact information
You can update the information for a card that you use with your iPhone or iPad at any time.