Things You'll Need
Instructions
Log in to your Windows account on your computer and click on the "Start" button.
Click on "Control Panel," "Network and Internet," "Network and Sharing Center" and "Manage Network Connections."
Click on the Sprint Internet connection (it will be labeled either "3G Connection" or "CDMA") with the right mouse button. Select "Properties" from the right-click menu. Click on the "Sharing" tab.
Check the box next to the words "Allow other network users to connect through this computer's Internet connection." Click the "OK" button.
Plug the Wii LAN adapter into one of the USB ports on the back of the Wii. Plug one end of the Ethernet cable into the Wii LAN adapter. Plug the other end of the Ethernet cable into your computer's Ethernet port.
Plug the Sprint USB card into your computer and connect to the Sprint network. Turn on the Wii; on the main menu, click on the "Wii" button in the bottom left corner of the screen.
Click on "Wii Settings" on the next screen. Click on the arrow icon on the right side of the screen. Click on "Internet."
Click on either "Connection 1," "Connection 2" or "Connection 3." Select "Wired Connection." From there, Nintendo will detect your Internet connection to Sprint and automatically set up your connection.