Sony's 'super mid-range' XA1 and Xperia XZs flesh out its 2017 phone range

Sony’s just-announced XZ Premium isn’t the company’s only new smartphone debuting here at Mobile World Congress. Along with the Premium, billed as Sony’s “most ground-breaking smartphone to date,” three other phones are also being unveiled today. The first and most interesting is the Xperia XZs, which features the exact same, new 19-megapixel Motion Eye camera system that’s found in the XZ Premium. It can do the 960-frames-per-second slowmo. It’s g