Talking about the device, TS Sridhar, director, Microsoft Mobile Devices, said, “India is poised to be one of the leading 4G markets in the world owing to the exponential growth of smartphones and the growing access to Internet. Lumia 640XL LTE is a power packed smartphone that offers a great productivity package with the power of 4G.” The Lumia 640 XL smartphone features a 5.70-inch HD display. The device runs on Windows Phone 8.1 operating system, which will be upgradable to Windows 10 on mobile when it is available later this year. The Microsoft Lumia 640 XL is powered by a 1.2GHz Quad-Core Qualcomm Snapdragon 400 processor. The dual SIM smartphone offers 1GB of RAM and 8GB of internal storage which can be expanded up to 128GB using a microSD card. The 4G-enabled Lumia 640 XL smartphone sports a 13-megapixel rear camera with LED flash. There is a 5-megapixel front-facing camera also on board. The smartphone packs in a 3,120 mAh battery and offers 4G LTE, 3G, Wi-Fi, NFC, Bluetooth and GPS as connectivity options. The Microsoft Lumia 640 XL smartphone will come bundled with an offer from Airtel where consumers will be able to double their data for free.