Microsoft Lumia 550 official Pictures. Microsoft Lumia 550 is a Smartphone of microsoft. The Microsoft Lumia 550 Windows Mobile Smartphone. Announced Oct 2015. Features 4.7″ Display, Snapdragon 210 Chipset, 5 MP Primary Camera, 2 MP Front Camera, 2100 MAh Battery, 8 GB Storage, 1000 MB RAM. Microsoft Lumia 550 price starts.