...
Check the device operating system (OS) and device type to ensure they meet the minimum requirements to be supported by DCI. View the article What devices, operating system (OS), and web browsers does DCI support? for specifics.
User has not downloaded the app
Update device iOS to 15.0 or later for Apple and version 8.0 or later for Android
Download the DCI Mobile EVV app
User has already downloaded the app
Delete the DCI Mobile EVV app from the device
Update device iOS to 15.0 or later for Apple and version 8.0 or later for Android
Download the DCI Mobile EVV app