It might be 2018ish as it received the IRST on the nose (later on of course) but in terms of upgrades it should be more similar to the 2016 models
The 6002 is used as a test platform before things are integrated into the in-service planes, it’s supposed to be as close to the in-service versions as possible so that compatibility can be tested.
Best way to tell if they had a difference is to get a solid picture of the belly of 6002, see if it features that same system then
