If you need to change your default payment in Wallet or have other issues such as the inability to add passes you can go to these links which covers managing Wallet and wallet use.
Add and manage passes in Wallet on iPhone - Apple Support, please note that passes cannot be directly added within wallet, except for QR code enabled passes. For everything else, its done either through the associated app, an email, airdrop or a link in a website.
If you get an error that you already have the maximum amount of cards in wallet with less than 22 cards signing out of your Apple ID and back in usually resolves this issue.
If you are getting a message to contact the card issuer, call the bank or credit card company who issued you the card to make sure there are no restrictions on the card.
If you are getting a message that Apple Pay services are unavailable at this time, sign out of your Apple ID and back in.
If you need to change your default payment in Wallet or have other issues such as the inability to add passes you can go to these links which covers managing Wallet and wallet use.
Add and manage passes in Wallet on iPhone - Apple Support, please note that passes cannot be directly added within wallet, except for QR code enabled passes. For everything else, its done either through the associated app, an email, airdrop or a link in a website.
If you get an error that you already have the maximum amount of cards in wallet with less than 22 cards signing out of your Apple ID and back in usually resolves this issue.
If you are getting a message to contact the card issuer, call the bank or credit card company who issued you the card to make sure there are no restrictions on the card.
If you are getting a message that Apple Pay services are unavailable at this time, sign out of your Apple ID and back in.