Sunday

Microsoft Lumia 640 Dual SIM

Manufacturer       Microsoft                                                                                                                 
Technology GSM / HSPA 
SimDual SIM (Micro-SIM, dual stand-by)
Operating System    Microsoft Windows Phone 8.1 with Lumia Denim
PROCESSOR1.2 GHz Cortex-A7
Quad-core
ProtectionCorning Gorilla Glass 3
MEMORYRam 1 GB 
Bult-in 8GB

microSD, up to 128 GB
DISPLAY5 inch
IPS LCD capacitive touchscreen, 16M colors
Display Resolution720 x 1280 pixels
CameraPrimary       8.0 MP  (3264 x 2448 pixels)
Secondary  1.0 MP  (720p)
Video          1080p@30fps
WirelessWi-Fi 802.11 b/g/n, hotspot
Bluetoothv4.1, A2DP
USBmicroUSB v2.0 
SensorsAccelerometer, proximity, compass
BatteryLi-Po 2500 mAh battery
DIMENSIONS & WEIGHT

Width2.84 in
Depth0.35 in
Height5.56 in
Weight5.11 oz