First, just to clarify: you should not be using KML files for this workflow. DJI Fly expects KMZ files, not KML.
Please follow our guide to correctly export your flight using Litchi Hub and Litchi Hub Bridge (or manually, if you really prefer):
First, just to clarify: you should not be using KML files for this workflow. DJI Fly expects KMZ files, not KML.
Please follow our guide to correctly export your flight using Litchi Hub and Litchi Hub Bridge (or manually, if you really prefer):