Microsoft Lumia 640 Dual SIM is an upcoming smartphone by Microsoft with an expected price of USD in USA, all specs, features and Price on this page are unofficial, official price, and specs will be update on official announcement.
BASIC INFO1
Status
Available. Released 2015, April
Dimension
141.3 x 72.2 x 8.8 mm (5.56 x 2.84 x 0.35 in)
Colors
Glossy cyan, Orange, White, Matte black
OS
Microsoft Windows Phone 8.1, planned upgrade to Windows 10
PROSESSING1
Processor
Qualcomm Snapdragon 400, Quad core 1.2 GHz cortex a7 Adreno 305 GPU
MEMORY1
Card Slot
8 GB Storage, 1 GB RAM, microSD, up to 32 GB card slot
DISPLAY1
Size
720 x 1280 pixels, 5 inches (~229 ppi pixel density)
Type
IPS LCD capacitive touchscreen, 16M colors
CAMERA1
Primary
8 MP, 3264 x 2448 pixels, autofocus, LED flash
BATTERY1
Battery
Li-Ion 2500 mAh battery
NETWORK1
2G Network
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network
HSDPA 850 / 900 / 1900 / 2100
CONECTIVY1
WALAN
Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi hotspot
BlueTooth
Yes, v4.0 with A2DP
GPS
Yes, with A-GPS, GLONASS, Beidou
OTHERS1