WP Central posts today:
"Sprint just dropped us a line to let us know that the Windows Phone 8.1 update that was announced at Build 2014 will be coming to a few of their handsets this summer. The HTC 8XT and Samsung ATIV S Neo are mentioned explicitly, though specific dates and details will be mentioned later on.
Windows Phone 8.1 is going to have a bunch of cool stuff, like background images for Live Tiles, lock screen themes, and the Cortana virtual assistant. This is good news overall for Sprint subscribers..."
Here's the link, but that's literally all there is to it:
Wait and (hopefully) see...