When I was a newbie, I often struggle to identify different Android Head Unit Models, there are unbranded or branded as Advanz, Azentek, Ca-Fi, Chinavasion, Erisin, Klyde, Ouku, Pixen, Yeamax, Xtrons, Newsmy, etc. I even didn’t have any idea for which unit fit my car or didn’t know how to select them. http://forum.xda-developers.com is a great site, you can learn everything you want to know for the head unit. The purpose to write this article is for sharing you a great article http://forum.xda-developers.com/wiki/Generic_Android_Head_Unit to learn how to identify different Android Head Unit. Hope it can help you know more about Android Head Units.