Microsoft Lumia 640 XL Dual Sim is a Smart Phone that has been powered by Quad Core Qualcomm MSM8226 Snapdragon 400 chipset and comes with 1GB RAM. Lumia 640 XL Dual Sim contains 8 GB of internal storage. The phone has 5.7-inch touchscreen display along with the resolution of 720 x 1280 pixels. Concerning the camera, Microsoft Lumia 640 XL Dual Sim packs 13 MP camera on the rear as well as 5MP camera on the front. It comes in Glossy white, Matte white, Black, Orange and Matte cyan color variants.

Moreover, Microsoft Lumia 640 XL Dual Sim will be running on Microsoft Windows Phone 8.1 with Lumia Denim and will have Li-Ion 3000 mAh battery. The phone will weigh 171 g (6.03 oz), and its dimensions will be 157.9 x 81.5 x 9 mm (6.22 x 3.21 x 0.35 in) vis-à-vis height x width x thickness. Microsoft Lumia 640 XL Dual Sim is a dual SIM Smart Phone, and its connectivity options will include GPRS, EDGE, WLAN, Bluetooth, NFC, microUSB v2.0,

Features and Specification

Design
Design	Device Type	Smart Phone
	OS	Microsoft Windows Phone 8.1 with Lumia Denim
	Dimension	157.9 x 81.5 x 9 mm (6.22 x 3.21 x 0.35 in)
	Weight	171 g (6.03 oz)
Technology
Technology	2G Network	GSM
	3G Network	HSPA
	SIM	Micro-SIM
	Announced	March, 2015
	Status	April, 2015
Display
Display	Type	IPS LCD capacitive touchscreen, 16M colors
	Size	5.7 inches (~69.1% screen-to-body ratio)
	Multi-touch	Yes
	Protection	Corning Gorilla Glass 3 - ClearBlack display
Photography
Photography	Rear Camera	13 MP, 4128 x 3096 pixels, Carl Zeiss optics, autofocus,
	Features	1/3'' sensor size
	Video	1080p@30fps
	Front Camera	5 MP, 1080p
Memory
Memory	Card slot	microSD, up to 128 GB
	Internal	8 GB, 1 GB RAM
Sound
Sound	Alert types	Vibration; MP3, WAV ringtones
	Loudspeaker	Yes
	3.5mm jack	Yes
Connectivity
Connectivity	GPRS	Yes
	EDGE	Yes
	Speed	HSPA 42.2/5.76 Mbps
	WLAN	Wi-Fi 802.11 b/g/n, DLNA, hotspot
	Bluetooth	v4.0, A2DP
	NFC	Yes
	USB	microUSB v2.0
Battery
Battery	Capacity	Li-Ion 3000 mAh battery
	Stand-by	Up to 936 h (2G) / Up to 936 h (3G)
	Talk time	Up to 31 h 20 min (2G) / Up to 23 h 40 min (3G)
	Talk time Dual	Up to 31 h 20 min (2G) / Up to 23 h 40 min (3G)
Tests
Tests	Display	Contrast ratio: 1119:1 (nominal), 3.065 (sunlight)
	Audio Quality	Noise -93.0dB / Crosstalk -94.4dB
	Battery Life	Endurance rating 74h
Features
Features	Chipset	Qualcomm MSM8226 Snapdragon 400
	CPU	Quad-core 1.2 GHz Cortex-A7
	GPU	Adreno 305
	Sensors	Accelerometer, proximity, compass
	Messaging	SMS (threaded view), MMS, Email, Push Email, IM
	Browser	HTML5
	Radio	FM radio
	GPS	Yes, with A-GPS, GLONASS, Beidou
	Java	No
	Colors	Matte cyan, Orange, Black, Matte white, Glossy white
	Others	- MP3/WAV/eAAC+/WMA player - MP4/H.264/WMV player - OneDrive (30 GB cloud storage) - Document viewer - Photo/video editor