Thanks for the additional information on the process. I suspect that some of the real magic lies in the editing finesse required to deal with the "mostly" identical Google Earth and drone paths.
In general DJI Products, firmware should be avoided, unless you know what you are going to gain.
I mostly familiar with the P3*,
Firmware for the bird.
Firmware for the remote.
Firmware for the batteries.
What is cool about this forum is the...