Things appear to be looking up for Nokia and its Lumia series of Windows Phone devices as its latest series, Lumia 925 marks the first time when the mobile device maker has used metal in its Lumia portfolio. The latest series being a solid mix of hardware and software, the phone maker is banking on its camera state-of-art technology to give it the edge over other leading brands like Apple iPhone 5 , TECNO , Samsung Galaxy S4 among others.