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Microsoft Lumia 640 Dual SIM Specifications & Users Reviews


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Description: Microsoft Lumia 640 Dual SIM comes with 5.0 inch display, Quad-core processor, 1 GB RAM, 8 GB ROM, Dual SIM (Micro-SIM, dual stand-by), 8 MP camera, 2G/3G network, Wi-Fi, FM radio, and Microsoft Windows Phone 8.1 with Lumia Denim, Bluetooth. for more details visit Microsoft Lumia 640 Dual SIM mobile phone specifications and user reviews, See specifications for more details.
Specifications
Network
Technology GSM / HSPA
2G Bands GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Bands HSDPA 850 / 900 / 1900 / 2100
4G Bands
Speed HSPA 42.2/5.76 Mbps
GPRS Yes
Edge Yes
Launch
Announced 2015, March
Status Available. Released 2015, April
Body
Dimensions 141.3 x 72.2 x 8.8 mm (5.56 x 2.84 x 0.35 in)
Weight 145 g (5.11 oz)
Build
SIM Dual SIM (Micro-SIM, dual stand-by)
Display
Type IPS LCD capacitive touchscreen, 16M colors
Size 5.0 inches (~67.6% screen-to-body ratio)
Resolution 720 x 1280 pixels (~294 ppi pixel density)
Multitouch Yes
Protection Corning Gorilla Glass 3
- ClearBlack display
Platform
OS Microsoft Windows Phone 8.1 with Lumia Denim
Chipset Qualcomm MSM8926 Snapdragon 400
CPU Quad-core 1.2 GHz Cortex-A7
GPU Adreno 305
Memory
Card slot microSD, up to 128 GB (dedicated slot)
Internal 8 GB, 1 GB RAM
Camera
Primary 8 MP, f/2.2, 28mm, autofocus, LED flash
Features 1/4" sensor size
Video 1080p@30fps
Secondary 1 MP, 720p
Sound
Alert types Vibration; MP3, WAV ringtones
Loudspeaker Yes
3.5mm jack Yes
Comms
WLAN Wi-Fi 802.11 b/g/n, DLNA, hotspot
Bluetooth v4.0, A2DP
GPS Yes, with A-GPS, GLONASS, BDS
NFC
Infrared port
Radio FM radio
USB microUSB v2.0
Sensors Accelerometer, proximity, compass
Messaging SMS (threaded view), MMS, Email, Push Email, IM
Browser HTML5
Java No
Features
- MP3/WAV/eAAC+/WMA player
- MP4/H.264/WMV player
- OneDrive (30 GB cloud storage)
- Document viewer
- Photo/video editor
Battery
Removable Li-Ion 2500 mAh battery
Standby Times Up to 840 h (2G) / Up to 840 h (3G)
Talk time Up to 27 h 30 min (2G) / Up to 20 h 30 min (3G)
Music play
Misc
Colors Glossy cyan, Orange, White, Matte black
SAR US
SAR EU
Tests
Performance
Display Contrast ratio: 1034 (nominal), 2.563 (sunlight)
Camera
Loudspeaker Voice 70dB / Noise 65dB / Ring 75dB
Audio quality Noise -93.1dB / Crosstalk -93.2dB
Battery Life Endurance rating 76h
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