Nokia may be preparing to launch a new Lumia flagship Windows Phone this spring. Industry insider Eldar Murtazin said the Lumia 910 could launch in Europe as soon as this May. The Lumia 900, Nokia’s upcoming flagship device, is expected to land in Europe a few months later in June of this year. Murtazin didn’t provide any details on the Lumia 910 other than the inclusion of a 12-megapixel camera. AT&T will launch Nokia’s Lumia 900 this coming March according to a recent newsletter Nokia sent to developers.