Download the APK to a USB drive, plug it into the car stereo, and use the file manager to install it.
If the app says it is "not registered" after installation, restart the head unit. ZLINK 4 0 6 apk
If the app was lost after a system update, enter factory settings (often using password 16176669 ), navigate to the CarPlay/ZLink option, and save to restart. Download the APK to a USB drive, plug