I've been through Hanksville and beyond many times, most recently two years ago to observe the total eclipse from near the entrance to Capitol Reef NP. There's captivating desert or mountain scenery nearby in every direction from my home.
I hope I haven't been misunderstood... I agree with you 100%. In fact I've argued here other times that VLOS requirements are unnecessary. I'd allow BVLOS flight with a little extra training as part of TRUST.
The FAA doesn't agree with me at all...
OP IIRC, while the drone and controller are powered on, go to the 3 dots for settings (Upper right), scroll down to About.
The Flight Controller number should start with 1581 as stated above. That is the serial number you want.
As far as I know, all Air 3S drones are the same. You cannot fly the Air3S in the US without RID and for this model, it is supposed to have standard RID since in genera, a recent heavy drone cannot ship to the US and force the flyer to rely on...