I just installed a new Intel Sofia based Joying head unit in my vehicle today. On the head unit I can see the Bluetooth device from the settings app (and even my August Smart Lock)
http://www.crsi.ca/web_images/alp-02.jpg
However, when I "scan" for the bluetooth device within the app, it doesn't see it.
http://www.crsi.ca/web_images/alp-01.jpg
Any idea what the problem might be?