7018B Double DIN Car Radio 7 inch Head Unit Multimedia Video Player

[@Gary-Seven-and-Isis-in-1968]

OK so why all of the different model numbers. we have 7010B , 7012B , 7018B , 7023B.
What is the difference between all of them. How many of these support Android Auto?
None of them support LOGO select anymore, why is that?