ConnectIQ is telling me I need to update my watch, but I've downloaded all updates (new Forerunner 570)

I just received my brand new Forerunner 570, and was attempting to add Spotify and some new watch faces. No matter which app I select in the ConnectIQ store, I keep getting the same message: Device update needed. To get the latest version of this app, you must update your Forerunner 570 in Garmin Express.

I have already downloaded all available updates via the watch itself and using the check for updates function in Garmin Connect. I've also downloaded and installed Garmin Express and added my watch to that app. Garmin Express tells me that there are no more updates. 

So - what am I doing wrong?!? This whole process worked perfectly with my Forerunner 265s. I'm beyond frustrated with this! HELP!!!