MWC 2013: Nokia Launches Power Packed Mid-Range Lumia 520 and 720 Smartphones

Finnish handset maker Nokia, which is riding high on record sales of Lumia smartphone series, has now expanded the flagship range with the unveiling of two power packed mid-range smartphones, Lumia 520 and Lumia 720, at the ongoing mobile convention MWC (Mobile World Congress) 2013 in Barcelona. Feb 25, 2013