All the software should automatically download the latest version of firmware and install it automatically. To make sure you have the latest firmware, please do the following: 1. If you have a FlightScope app open, please close it. 2. Connect your iPad or PC to the internet (do not have it connected to your radar). 3. Open the applicable FlightScope app. 4. If firmware is available it will automatically start to download and a message will appear on screen "Downloading new firmware.." (download will take less than one minute). 5. Once the download is complete, connect your device to the X3.