If you download the latest firmware via USB, we are confident that this will address any issues you are experiencing when connecting the LeapPad Ultra to your wifi. Here is a link from LeapFrog.com to help in getting your firmware updated: http://www.leapfrog.com/en_gb/landingpages/ultraupdates.html
If you continue to experience issues with your LeapPad Ultra, please contact our Customer Services team on 01702 200244 or send us an email to [email protected], a member of the LeapFrog team will contact you personally within 24 hours to resolve the issue.