The Hudl has an airplane mode which switches off WiFi etc, has he accidentally switched that on from the shortcut menu http://ttselectrical.custhelp.com/app/answers/detail/a_id/3566/~/accessing-the-shortcut-menu
Sorry, we can't find any related questions. Try using the search bar at the top of the page to search for some keywords, or choose a topic and submit your own question.