The Nokia Lumia 620 is an entry-level smartphone designed, developed and marketed by Nokia. It is the successor to the Lumia 610, and is one of the first Nokia phones to implement Windows Phone 8 alongside the Nokia Lumia 920 and Nokia Lumia 820. Although sharing a similar name with the Lumia 610, the Lumia 620 is a major overhaul over its predecessor, employing a 1.0 GHz dual-core processor. It also has exchangeable back covers which come in black, white, magenta, yellow, cyan etc.Nokia Hard Cover for Lumia 620
