Nokia Lumia 820 official Pictures. Nokia Lumia 820 is a Smartphone of nokia. The Nokia Lumia 820 Windows Mobile Smartphone. Announced Sep 2012. Features 4.3″ Display, Snapdragon S4 Plus Chipset, 8 MP Primary Camera, 1650 MAh Battery, 8 GB Storage, 1000 MB RAM. Nokia Lumia 820 price starts.