Avoid the latest version of the app. I was trying to register a new AIO-5 lite and it would never connect so I can't even get the unit to start. I also tried to connect to an older, already registered, AIO-5 lite and it won't connect either. At least it works because it had connected in the past but I can't use any of the app features (media download mostly).

I've tried restarting the app, clearing the cache, reinstalling the app, and even installing the app on another phone but nothing works. I've opened a ticket, so hopefully there will be a solution shortly.

For now, I would suggest not updating the app, if you can avoid it.