Mountain climbing! Off-road biking! Skiing! Climbing trees! All of these activities are simply too extreme for your current smartphone, or so Cat (nee Caterpillar, the bulldozer people) would have you believe. Their latest Android-powered rugged phone is the S50, announced today at IFA in Berlin and boasting mid-range specs with a body that looks like it's designed to shrug off shrapnel. It's the follow-up to Cat's B15, a phone durable enough to survive an encounter with a front-end loader.

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