It says >> " It is literally a 'plug-in and play' setup. 'EVERYTHING' you need to fit the unit is included. ". This quote is from this ebay address:

https://www.ebay.com/itm/133549650220?hash=item1f182df12c:g:sccAAOSwADZfhHWV


It doesn't mention anything about a software update, actually it shouldn't, once installed the KN-7000 should recognize it as it's own, but that's only my opinion, I would do some more research on that if I were you.