Hello jafreeman,
As far as auxinput's comments on Region Free is concerned, he is partially correct. Here's a linked article that explains the details well, it's from 2016 but I believe it's still accurate:
https://www.220-electronics.com/blog/region-free-4k-ultra-hd-blu-ray-players-fact-fiction/
Here's another good article from 2019:
https://www.whathifi.com/us/advice/ultra-hd-blu-ray-everything-you-need-to-know
Mattmiller, if the above articles are still correct, makes a good point.
Tim
As far as auxinput's comments on Region Free is concerned, he is partially correct. Here's a linked article that explains the details well, it's from 2016 but I believe it's still accurate:
https://www.220-electronics.com/blog/region-free-4k-ultra-hd-blu-ray-players-fact-fiction/
Here's another good article from 2019:
https://www.whathifi.com/us/advice/ultra-hd-blu-ray-everything-you-need-to-know
Mattmiller, if the above articles are still correct, makes a good point.
Tim