Windows Phone 7.8

Nokia Lumia 505

CPU: 800 GHz
RAM: 256 MB
Storage: 4 GB
Rumored: Dec 5, 2012
Released: Jan 1, 2013

Nokia Lumia 510

CPU: 800 GHz
RAM: 256 MB
Storage: 4 GB
Rumored: Sep 2, 2012
Released: Nov 6, 2012