The 'world's toughest' mobile phone that can survive 60C heat...

Have you accidentally broken your phone by dropping it down the toilet, knocking it off a window ledge or leaving it in the oven? Okay few people will have done the last one, but Land Rover claim it's new S1 phone can survive all three.They have teamed up with Sonim Technologies to launch what has been dubbed the 'world's toughest' mobile.Sir Ranulph Fiennes shows off his S1 Land Rover mobile. It