Nokia gearing up to launch Windows Phone 7.8 update

Nokia gearing up to launch Windows Phone 7.8 update

The first Lumia models in line to run the OS are the 510, 610, 710, 800 and 900.

First announced in November, its launch was officially delayed to 2013. At the same time, a string of new smartphones using Windows Phone 7.8 will become available, at a lower price point than Windows Phone 8 devices.