Have your wireless network name, or SSID, and wireless network key available. Both items are available through MyMidco by signing in and clicking on the Wireless Modem Network Key icon
Tap Settings icon
Tap Wi-Fi
Confirm Wi-Fi is set to ON - if not, tap OFF to enable it
Wi-Fi Networks will show available wireless networks
Tap the wireless network name (SSID) you would like to join
Enter the wireless network key, or password
Tap Join
Tap OFF next to Ask to Join Networks to automatically join networks device has joined previously
Once connected, press Home button to return to Home screen