Theme download codes must be redeemed in the Theme Shop on Nintendo 3DS.In-game DLC must be redeemed within the specific Nintendo 3DS game.On Nintendo 3DS, download codes for in-game DLC and Themes cannot be redeemed online.If redeeming a download code for Nintendo Switch content, you must first access the Nintendo eShop on Nintendo Switch using your Nintendo Account at least once.If you are redeeming a download code on a Wii U or Nintendo 3DS, you must also link your Nintendo Network ID to your Nintendo Account.A Nintendo Account is required to redeem download codes online.
