This is fun. Let's see.
1. Maybe boot rom date: May 21, 2020, revision 1. Same on the Switch 1. Which would be interesting if true.
2. Unknown, My switch 1 has 3.28, and my switch 2 has 3.27.
3. Maybe NAT type? Mine is "A" Though on the Switch 1 I have it's "B", so maybe not.
5. Not a clue. My...