THE SONY XPERIA GO is the latest rugged smartphone to hit the UK market, boasting resistance against dust, scratches and water.
While it managed to wow us with its ability to sit in water and withstand tumbles, we were disappointed that it runs Google's ageing Android 2.3 Gingerbread operating system, which looks somewhat cluttered on the 3.5in display. It's also not the nicest phone to look at, and feels clunky and difficult to hold in the hand.
Uses 20 percent less power than traditional systems
It's becoming more prevalent in car research and development
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