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Microsoft Lumia 640 Dual Sim LTE SPECS

Full specifications of the Microsoft Lumia 640 Dual Sim LTE phone, detailed technical information, specs, features, price, review. Everything about phone.

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Microsoft Lumia 640 Dual Sim LTE

Good Windows Phone phone with 1.2Ghz Quad-Core processor provides good performance and great system execution of the Microsoft Lumia 640 Dual Sim LTE.

An advantage of the Microsoft Lumia 640 Dual Sim LTE is the possibility of using two mobile carriers, a Dual-SIM device with two SIM card slots.

Great connectivity of this device includes Bluetooth 4.0 version with A2DP, WiFi 802.11 b/g/n and NFC to make payments and allows connection to other devices.

Including the battery, the Microsoft Lumia 640 Dual Sim LTE phone has 145 grams and it's a very thin device, only 8.8 mm.

Model and physical featuresMicrosoft Lumia 640 Dual Sim LTE
BrandMicrosoft
ModelLumia 640 Dual Sim LTE
Also known asMicrosoft Lumia 640 LTE Dual Chip RM-1077, Lumia 640 RM-1077
Country or region where it's soldfeature not registered
Release dateApril, 2015
Design / TypeBar
Depth8.8 millimeters (0.35 inches)
Size (width x height)72.2 x 141.3 millimeters (2.84 x 5.56 in)
Weight145 grams (5.08 ounces)
Qwerty physical keyboardNot supported
AntennaInternal antenna
Water protectionNot supported
Operating system (OS)Microsoft Lumia 640 Dual Sim LTE
Operating systemWindows Phone 8.1
Firmware updatefeature not registered
HardwareMicrosoft Lumia 640 Dual Sim LTE
Architecture - Chipset32bit - Qualcomm Snapdragon 400 MSM8926
CPU processor1.2Ghz Quad-Core ARM Cortex-A7
GPU graphical controllerQualcomm Adreno 305
RAM memory1GB LPDDR2
Internal storage8GB (3GB user available)
External storageUntil 128GB microSD, microSDHC, microSDXC
DisplayMicrosoft Lumia 640 Dual Sim LTE
Display typeTFT LCD IPS
Screen size5" inches
Screen-to-body ratio~67.6% (screen-to-body ratio)
TouchscreenCapacitive Multitouch
Display resolution720 x 1280 pixels
Pixel density (dot pitch)294 PPI
Colors16 million
Scratch-resistant glassGorilla Glass 3
Mobile networks and dataMicrosoft Lumia 640 Dual Sim LTE
Dual SIMDual SIM Standby - Call active on one sim card
SIM card2 slots Dual-SIM
micro-SIM (3FF)
GSM Mhz bandQuad-Band 850/900/1800/1900
2G networkGSM 850/900/1800/1900
3G networkUMTS 850/900/1900/2100
4G networkLTE Cat4 700/850/900/1700/1800/1900/2100/2300/2600 (Bands 1/2/3/4/5/7/8/12/17/20/28/32/38/40)
Data networkGPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+, LTE
2G network SIM2GSM 850/900/1800/1900
3G network SIM2Not supported
4G network SIM2Not supported
Data network SIM2GPRS, EDGE
Maximum download/upload150/50 Mbps
Messaging and callingMicrosoft Lumia 640 Dual Sim LTE
MessagingSMS (T9), MMS, E-mail, Push mail
SpeakerphoneSupported
Video callingSupported
Call controlVoice dialing, Voice recorder
Primary camera / Back cameraMicrosoft Lumia 640 Dual Sim LTE
Main camera8 megapixels
Main camera resolution3264 x 2448 pixels
Video recording (primary)Full HD (1920 x 1080 pixels) 30 fps
FlashLED flash
Focal aperturef/2.2 (aperture)
Focal lengthfeature not registered
Sensor size1/4" inches
Pixel sizefeature not registered
AutofocusAutofocus
Touch focusSupported
Image stabilizationfeature not registered
ZoomOnly digital zoom
Face/smile detectionFace detection
BSI sensorSupported
HDRHDR photo only main camera
Front camera / Secondary cameraMicrosoft Lumia 640 Dual Sim LTE
Front camera1 megapixels
Front camera resolution1280 x 720 pixels
Video recording (secondary)HD (1280 x 720 pixels)
Front flashNot supported
Focal aperturefeature not registered
Focal lengthfeature not registered
Sensor sizefeature not registered
Pixel sizefeature not registered
MultimediaMicrosoft Lumia 640 Dual Sim LTE
RadioFM
TVNot supported
Video formatsMP4, H.264, H.263, WMV
Audio formatsMP3, WAV, WMA, eAAC+
Connectivity and interfacesMicrosoft Lumia 640 Dual Sim LTE
USBUSB 2.0 Micro-B (Micro-USB)
TV outputNot supported
Audio output3.5mm jack
Bluetooth4.0 version with A2DP
WiFi802.11 b/g/n
DLNASupported
NFCSupported
GPSA-GPS, GeoTagging, GLONASS
Infrared portNot supported
Other functionsMicrosoft Lumia 640 Dual Sim LTE
Active noise cancellationSupported
Vibrating alertSupported
RingtonesPolyphonic and customized
Web browserHTML, XHTML, HTML5
Java / Flash playerNot supported
SensorsAccelerometer
Proximity
Compass
Ambient Light
Other features- Colors: Black
- Lumia Denim UI
- Microsoft ClearBlack display
- OneDrive 30GB
- Beidou GPS
- WiFi hotspot
Power supply and autonomyMicrosoft Lumia 640 Dual Sim LTE
Battery technologyLithium ion - Removable
Battery capacity2500 mAh
Battery modelfeature not registered
Talk time1200 minutes | 20 hours | 0.8 day
Standby50400 minutes | 840 hours | 35 days
Specific absorption rate (radiation)Microsoft Lumia 640 Dual Sim LTE
SAR USA, Mexico, Colombiafeature not registered
SAR European Union, UKfeature not registered

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