A Nokia Lumia 920 developer model purchased on Craig's List, is providing a treasure trove of images relating to the upcoming GDR3 update for Windows Phone 8 users; Nokia users will be receiving the GDR3 update along with a Nokia update entitled "Bittersweet shimmer." The GDR3 update will indeed allow Microsoft to stuff upcoming Windows Phone modes with faster Qualcomm silicon...
Source: http://www.phonearena.com/news/Images-of-GDR3-and-Bittersweet-shimmer-update-for-Windows-Phone-8-are-leaked_id47196
Source: http://www.phonearena.com/news/Images-of-GDR3-and-Bittersweet-shimmer-update-for-Windows-Phone-8-are-leaked_id47196