You can tell if the lines on the graph are below the -90db for the 1khz and bellow the -100db line for the 4khz. If it’s in FCC mode the two lines will be above the -90 and -100 lines. I’m not super concerned as it is now its range is still as...
I used the controller to update it. After the first update ran, it was still stuck in CE mode, but then I rebooted everything and got prompted to do a second update and after that (plus one more controller reboot), it went into FCC mode.
It seems the one I received is in CE mode though I’m in the US. Did you use the controller to update it to put it in FCC mode or did you use the computer app?
I am happy to report the Mavic 4 Pro arrived yesterday in what appears to be perfect condition. The box was undamaged and completely factory sealed. It arrived in less than 3 days after it was shipped. I have no clue what shipping practices...