I'm new to the appradio completely. Just got a refurb from best buy for $179 looked brand new. Cables all sealed etc. I upgraded to version 2.50, I had 2.19 I think. This took two microsd cards, one to upgrade boot stuff, then one for the appradio software. Then I had a third with appradio plus on it. I'm not sure if I installed appradio plus correctly. I put everything in root. The layout in the .rar was different then I put on the microsd. In the rar there was a folder appradio plus 23_250 etc, then under that was folder Appradio and 5 files. On the microsd card I put everything in the Appra