Glad you got it sorted out and thanks for adding the solution to the topic.

Hold SELECT + DPAD DOWN = Switch the positions of the A-B and X-Y keys

It would be nice if 8BitDo would include this info in the Modkit manual, they are mentioning _ SELECT + DPAD DOWN_ as a way to send the Home button only when the modkit is paired in Switch mode.

I'll mark this topic as solved.