Download the latest Wi-Fi software for EchoUAT EchoUAT Wi-Fi Software Connect your PC to the Echo Wi-Fi by connecting to the Ping-XXX network and if required enter the passphrase uavionix (all lowercase). Open a web browser and access the EchoUAT at http://192.168.4.1/update If the page does not load confirm you are connected to the EchoUAT Wi-Fi. Click Choose [...]