You're right, noticed the same with my new ux999. You have to select as the home Default launcher and after everything connects correctly just switch ti CLHas anyone tried to install a custom launcher on the CP600 Android 9 box and the carplay app is not working use the custom launcher but is able to run smoothly on default launcher.
It seems like the bluetooth is unable to connect on the custom launcher. The custom launcher that I am using is Car Launcher (Free)