I haven't even thought about trying to check in while at the games, since it automatically counted my attendance last year. I have a card to get in, so it's not such a problem for me, but I had a friend who had to get someone to text them a screenshot of their ticket because there was absolutely no signal for them at the door I always try to screenshot/add to passbook anything I'm doing, but that's going to cause a lot of grief for a while.