Stephen Elop took the stage to open the Microsoft MWC 2015 event and right off the bat unveiled the Microsoft Lumia 640. After a brief intermission for a Windows 10 demo, Elop came back to unveil the larger Microsoft Lumia 640 XL. Both phones will launch Windows Phone 8.1, but Microsoft's intention is to bring them and other modern Lumias to Windows 10. The duo is powered by a quad-core 1.2GHz processor. Microsoft Lumia 640 The Microsoft Lumia 640 is bigger and has a better screen than other 6-series devices, it packs a 5" 720p display. The camera department has been upgraded too with an 8MP shooter. The camera also gained an LED flash, unlike previous models. The phone will be very flexible when it comes to connectivity and come in single and dual-SIM versions, 3G and LTE versions. There will be a dual-SIM LTE version in case you were wondering. There's a 2,500mAh battery to feed the larger screen and the advanced connectivity. Nokia Lumia 640 The Microsoft Lumia 640 will be available in April and will come in a variety of colors, including Cyan, Orange, Black and White. The 3G version will cost 140, while the LTE version will be 160. Microsoft Lumia 640 XL Microsoft's new phablet is in the affordable-but-capable 6-series, instead of the 13-series. The Microsoft Lumia 640 XL improves on its smaller namesake with a 5.7" HD screen. Despite the increase in size, the phone will measure 9mm thick and pack a 3,000mAh battery. The camera got a premium upgrade courtesy of Zeiss lens in front of a 13MP sensor. This one also has an LED flash. Microsoft Lumia 640 XL's features sound all the more impressive when you consider the price - 190 for the 3G version and 220 for the 4G LTE version. Again, there will be single and dual-SIM versions, including a 4G dual-SIM. Both phones will be available on a wide range of carriers: AT&T, T-Mobile (both US and UK), Carphone Warehouse, EE, O2, Orange, MetroPCS and Telefonica. Nokia Lumia 640 XL If you buy either a Lumia 640 or a Lumia 640 XL you'll get a free 1 year subscription to Office 365, 1TB of OneDrive storage. Additionally you get 60 Skype minutes per month, so you can call abroad on the...
Source: http://www.gsmarena.com/microsoft_unveils_5inch_lumia_640_and_57inch_lumia_640_xl-news-11383.php