Made By Google on Twitter: "@Jorriss Google Wifi uses WPA-2 security protocol. If the Nintendo DS supports WEP, it will not be able to connect to GWifi's system." / Twitter
Nintendo Support: What Are the Differences Between a Primary and Non-Primary Nintendo Switch Console?
Nintendo - Customer Service | Nintendo DS
Nintendo - Customer Service | Internet Connection Support Information
Nintendo Removing Credit Card Support From 3DS And Wii U eShop In Europe - Nintendo Life