Sony announced four new products at Mobile World Congress: two new Xperia phones, a matching tablet and a fitness band.

The Xperia Z2, the replacement for its Z1 waterproof phone, adds 4K video recording, SteadyShot image-stabilisation, digital noise-cancelling stereo mics and what the company describes as its ‘brightest and most vivid’ LED display. We first got wind of the 4K video capabilities last month via a screengrab of the camera app …  expand full story