Samsung Gear S2 review: brilliant but with one big problem

Samsung wowed us when it unveiled the Gear S2, a fully circular Tizen-powered smartwatch with a nifty rotating bezel. It was impressive at first glance, but how about after a week of use? Our Samsung Gear S2 review will run you through the performance, software and specs of the standard and Classic models, to see if this smartwatch is good enough to make you switch to Tizen.