I want to update my saved card(s)
Simply go to 'My Account' and select the option 'Manage Saved Cards'. Choose the card that you want to update and you will see the 'Edit Card' screen.
Deleting a saved card
Simply go to 'My Account' and select the option 'Manage Saved Cards'. Choose the card you'd like to delete, and select the 'Delete Card' option. This will be removed from your account immediately.