Microsoft's Lumia 830 and Lumia 735 are coming "soon" to the US20
The Lumia 830 and Lumia 735 are now listed over at the official Nokia US website, both with a “coming soon” tag attached. Unlocked, the Lumia 830 may cost around $330, while the 735 should be priced at less than $250 (these estimations are based on the smartphone’s prices announced for Europe).
Rumors have it that the Lumia 830 will be released via AT&T, Verizon and Sprint, while the cheaper Lumia 735 could arrive at AT&T and Verizon. Until we get new details on this, to learn more about the features of the new Windows Phone 8.1 handsets, you may want to check out our Lumia 830 hands-on here, and our Lumia 730 hands-on here (the 730 is the dual-SIM, non-LTE variant of the Lumia 735).