Hands-on review: MWC 2015: Microsoft Lumia 640

Microsoft took to MWC 2015 to announce its next addition to the mid-range Lumia range, the Microsoft Lumia 640, and we got a bit of time to play around with the new handset.Don't expect the world to change with this new handset, the same design language as the Nokia Lumia 635 is here with the plastic backing coming in either vibrant the Cyan or Orange, or the much duller black or white.This time around the corners have been a little more rounded off but it still feels a little slippery in the ha