I can say, that with mine a week ago, AC first. When I started DJI Go 4, it asked to upgrade the AC first. Then after it finished, there was a place in the upper right, saying the controller needed updating. I did that, it completed, but did halt3and s so to retry, I did and it completed and it was good.
Update the aircraft first.
If updating from DJI GO, follow these instructions:
If updating from DJI Assistant 2, follow these instructions:
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