First - update to the latest version of the Lüm app! Second - enjoy some awesome new features!
We heard your feedback from the Member Forum and released a number of new features on August 10th (all at no extra cost to you). Learn more at https://help.lum.ca/kb/articles/65
I don't see any information on this, and I hope it's coming soon, but I think Wi-Fi Calling would really add to the value of services with Lum Mobile. I know SaskTel just launched it for iPhone, with Android presumably coming soon, so hopefully Lum Mobile isn't far behind.