The firmware MUST BE UPDATED FIRST before beginning the installation. If an older version of the CMU software is being used, the CarPlay/Android Auto-compatible USB hub may not be recognized. The software must be v70.00.21 or later. If not be sure to update the software. Once the CMU has been attached to the CarPlay/Android Auto-compatible USB hub, the software cannot be updated.
Need instructions on how to install the Mazda 6 Apple Carplay and Android Auto Kit ? Click here
Apple Carplay Quick Start Guide Click here