Nokia today unveiled three new Windows Phone 8 devices, the Lumia 1520, Lumia 1320 and Lumia 2520. All three come with Windows Phone 8 GDR3, the latest version of Microsoft’s mobile operating system as well as new and updated Nokia apps.
As part of its Nokia World 2013 announcement, Nokia also promised that “many of the new features and imaging innovations” found on its latest smartphones will be coming soon to existing Nokia Lumia smartphones running Windows Phone 8. The software update, called “Lumia Black” will also include the GDR3 update, is expected to begin rolling out in early 2014.
Rest assured that we’ll let you know more as additional information and more specific availability details are announced.
Source : Nokia Conversations