The Microsoft Lumia 640 XL comes with a 5.7-inch display (versus a 5-inch display on the Lumia 640), and it runs on Windows Phone 8.1 with the promise to get upgraded to Windows 10. Its features include a 1.2GHz quad-core procesor, 1GB of RAM, 8GB of storage, 13-megapixel main camera and a 5-megapixel shooter on the front.
