Just came back from the Vancouver. They were poorly organized and kicked off TELUS property. So instead they are doing it across the street (around Pacific Car Rental) and there's a small line up. Lots of sims left for those planning to go.
It sounds like you might need to do a factory reset. See this thread: http://productioncommunity.publicmobile.ca/t5/Phones-Hardware/LG-G4-not-connected-to-cellular-data/td-p/59868