You can only connect with 3ds and wii u now. Select internet settings.

Manual Setup Nintendo Ds Lite Support Nintendo
3ds access point security not supported. Wedge antilles 6 years ago 1. Well you cant do it because the ds wifi connection was shut down along with the wiis wifi back in 2014. Select your access point from the list. For nintendo 3ds on the 3ds a gamefaqs message board topic titled access points security settings arent supported by the ds. Delete any existing connections. So let me start off by saying im not very tech savvy.
Complete these steps if the message is still on the screen tap okto return to the access point search page and tap backtwice. Press the big blue button at the top when you. Select connection settings. Select search for an access point. Select the corresponding number on the bottom. Power cycling your wireless router or access point may resolve an issue relating to your network being unresponsive.
The top screen will display the name of the different networks you have set connections up with. From the nintendo 3ds home menu highlight and select the settings icon. Ensure the access point being used is compatible with your system. I got pokemon y today and want to go online but when i try to set up my internet i get a message saying the access points security is not supported by the nintendo ds. Acess points security is not supported. Select an empty connection file.