Microsoft unveiled a couple of mid-rangers, but no flagships. The high-enders will come later, for now we get the Microsoft Lumia 640 XL phablet with Zeiss camera and the Lumia 640, both on their way to a Windows 10 update and both with a full range...
Source: http://www.gsmarena.com/microsoft_mwc_2015-review-1220.php