At Nokia's London launch event, we've just managed to spend a bit of time with the 4.5-inch Lumia 925. If you felt its polycarbonate predecessor was a little unwieldy in dimensions or weight, you might be pleased with what Nokia's crafted here. Its new Windows Phone flagship marks the company's return to metal-bodied smartphones, and in the process, it's become both lighter and thinner. This isn't a marginal shedding of a few grams, either -- there's a noticeable difference when com
