The Lumia 800 Windows Phone was announced at Nokia World in October, and was only recently launched in Singapore. And from online sources, it looks like the Finnish company could be announcing a 4G-capable Lumia 900 in February next year with a larger touchscreen display.
According to a tweet by a customer service representative of telecommunications provider, Swisscom, it seems that details of a Nokia Lumia 900 was leaked. The tweet stated that the new phone could go to market at end of February 2012. The twitter reply was in response to a user of Swisscom, and the person also said that the Nokia Lumia 900 will have a larger screen and improved built-in camera, as well as better performance.
If the details are true, the Lumia 900 could be equipped with 4.3-inch ClearBlack AMOLED touchscreen, with a dimension of 125.5 × 65.8 × 9mm, 1.4GHz single-core processor with support for 4G LTE. This also means that it would be the first Windows Phone to support 4G network.