FAQs Brief Specs Question Why do I need to download the diagnostic software after installing the TopScan app? Features Answer Since there are various vehicle manufacturers, different diagnostic software is required for different brands. Functions Question Do I need to update the firmware before using it for the first time? How to Activate the Software Answer Yes. Firmware will automatically update to the latest version once the TopScan is connected with your phone via Bluetooth. You can also tap Me > Firmware Update to update the firmware manually. What's In The Box? FAQs