Is Current 4K-T & 4K-X Inventory "-S1" or "S2"?

Thanks. Question is not related to Spring Lottery/Sale promotion.

Just trying to understand what I would receive if I bought something right now. The posted specs point to "S1" AFAIK.

So to rephrase: "Would I get an "-S1" or "-S2" if I purchased a camera today?
 
I don't recall there being a difference between S1 and S2 as it relates to the 4K models like there is with the S3 model versus S1 and S2 of the 5442 (54IR) series.

There was no difference between the S1 and S2 model of the 5442.
 
The S2 variant of 5849 is mostly fictional one.. it only exist on Dahua site..
I tried to find & buy it in Europe... Everywhere is only S1 (even if on the webshop page there is S2 specs copied from Dahua website)..

The only 5xx9 Full Color cam which is available as S2 is 5449-ZE (varifocal one). It didn't exist as S1...

I have it - it have AcuPick 1.0 & Video MetaData.. Plus new Web UI.. Problems with soft focus persist....