Microsoft Lumia 640 and Lumia 640 XL announced at MWC 2015
Today at Mobile World Congress 2015, Microsoft Corporation has announced low-end Lumia 640 and Lumia 640 XL. However Windows 10 for Phones is not yet ready, both the devices will be upgrade-able to Windows 10 when it will be ready and available to offer greater productivity. Windows 10 for Phones will be available later this year.