So you say
And then later you say
So the first suggests you can’t connect over USB to any of them, the latter that it’s just one of them. I’m guessing it’s really all four, right?
I don’t have personal experience with this (still waiting for my GTM token), but from posts in the SDK Zone section, I have the impression that the USB cable used has to be OTG. Are the cables you’re trying OTG?
–Richard