Another possibility is that their final factory test procedure produces psuedo flight logs even though the unit wasn't actually flown.I couldn't see the factory in China actually physically flying each and every drone. Each assembled circuit board is tested prior to assembly & I'm guessing one final test once assembled which would consist of a quick run through of the circuitry. To fly each drone would require a massive amount of time and manpower.
The only thing I can think of is that, like on most assembly lines, every 10th or 50th or 100th drone is taken off the line and given an actual physical flight test to confirm all is well with the last batch of assembled products. You may have received one of those.
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