Nokia is on a roll with Windows Phone 8 - when it comes to filling out its range, anyway. The Finnish company has spent 2013 slotting a Lumia into almost every possible gap in the market, and now has a third flagship-spec model in the shape of the Nokia Lumia 925. The latest to bear PureView branding, and arguably the best-quality handset running Microsoft's platform that we've seen to-date, the Lumia 925 ticks all the boxes on paper, certainly. Is this the smartphone to sign two years of your cellular life away to? Read on for the full review.