For Audi A4 S4 A5 S5 B8 upgrade 10.25" Apple CarPlay & Android auto Head unit

Demo video: Compatible Models: Audi A4 A4 B8 A5  S4 S5 2009-2017 (Audi Concert, Audi multimedia, Audi Symphony) If your car has AMI but no AUX, you will need the AMI cable. Buy it now Note: If your Audi does not have factory navigation, please select "NO GPS" Version.       How does it work? While the unit (CarPlay Head unit) is inactive, the original video signal is passed unchanged, and your car works as before.After activating the CarPlay Head unit, the CarPlay unit video signal is shown on the display instead.When you reverse the car while using the CarPlay system, the system will automatically switch to the camera without manual operation.You can easily switch system back and forth between the unit and your original head unit.(TIPS: Press and hold the "menu" button to switch the system)    Features: This is a multimedia touch screen with built-in compatibility with Apple CarPlay and Google Android auto. It will replace your OEM screen and add the following features to your c