prompted to add funds. Select ADD FUNDS to proceed.
One of the following is required to add funds:
-Nintendo eShop Card
-Nintendo eShop activation number
-Credit card
♦You can save your credit card details on your system. If you do this, you will not need to enter your details every time you add funds.
♦You can remove your saved credit card details at any time through SETTINGS / OTHER in Nintendo eShop.