T-Mobile has officially launched the Nokia Lumia 810 and the HTC 8X. Two new Windows Phone 8 smartphones landing on T-Mobiles turf. These devices are now available from T-Mobile stores and are being offered for $149.99 (HTC 8X) and for $99.99 (Lumia 810). So it's your choice. You can head to T-Mobile's online store to get either of the two Windows Phone smartphone. Cheers!