Three and EE will both be stocking the next Samsung handset, with pre-registration already going live for the former.
While not naming the actual handset, Three stated: "The latest flagship addition to the popular Galaxy range of mobile devices will be revealed to the world in New York on March 14th."
There's no information beyond that, and sadly no Galaxy S4 price or release date – but then again, we'd be gobsmacked if there had been. You can pre-register with Three here.
EE has joined the party too, but more cryptically – it's posted a picture to its Twitter feed of the banner in Times Square.
It's not an actual confirmation, but there's no way the network would be talking up the next flagship handset otherwise.
EE also upped the crypticity with this response to our question as to whether it will have a pre-registration page: "As the only UK network to offer superfast 4G, we regularly introduce new handsets to our range, to provide our customers with a choice of the latest high end smartphones."
Let's be honest here: if any of the networks DON'T take the Samsung Galaxy S4 it will be more of a story. But hey – it's launch week, so we can't help but bring you every juicy morsel ahead of our coverage of the launch event itself.