Windows Phone 7.8

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Nokia Lumia 505

CPU: 800 GHz
RAM: 256 MB
Storage: 4 GB
Rumored: Dec 5, 2012
Released: Jan 1, 2013
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Nokia Lumia 510

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