The firmware must be updated first before starting the installation. If an older version of the cmu software is being used, the self-compatible usb hub carplay / android may not be recognized. The software must be v70.00.21 or later. If you are not sure of updating the software. Once the cmu has been attached to the usb hub compatible with cars / android, the software cannot be updated. Stay connected to your world while keeping your eyes focused on the road with our smartphone screen mirroring kit. This update kit improves the connect infotainment system with carplay by allowing you to access maps, playlists, contacts and applications compatible with your voice through the crab. Siri will also read incoming text messages and allow you to respond without taking your hands off the wheel. You can also browse the carplay features with the Perfectly positioned multifunction commander control. For android users, this update also adds automatic android functionality. Compatible with the following models: Fits:MX-5 2016-2020 Fits:-3 2016-2019 Fits:-5 2015-2020 Fits:-9 2016-2020 Settings:for 2 2016-2019 Settings:for 3 2014-2018 Adjustments:for 6 2016-2020 Compatible with the following hosts Name:Auto USB Adapter Hub Type:carplay USB port Specifications:car connection mobile phone interconnection carplay USB interface Din:Double Din Fit:For Retrofit 6 3 2 CX30 CX5 CX8 CX9 MX5 Colour:Black Material:ABS Package Contents: 1 x cable kit C922-V6-605A 1 x USB hub TK78-66-9U0C Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.