Microsoft Lumia 640 Dual SIM - White
• Operating System
Software release: Windows Phone 8.1 with Lumia Denim
• Size & weight
Height2: 141.3 mm
Width3: 72.2 mm
Thickness4: 8.8 mm
Weight: 145 g
• Display
Display size: 5
Display resolution: HD720 (1280 x 720)
Display colours: TrueColor (24-bit/16M)
Display technology: ClearBlack, IPS LCD
Pixel density: 294 ppi
Display features: Sunlight readability enhancements, Corning® Gorilla® Glass 3, Easy to clean, Lumia Color profile
Touch screen technology: Capacitive multipoint-touch
• Memory
Mass memory1: 8 GB
RAM: 1 GB
Maximum memory card size: 128 GB
Expandable memory card type: MicroSD
Free OneDrive storage built in up to5: 30 GB
User data storage: In device, Memory card, OneDrive cloud storage, App and data storage on memory card
• Battery
Replaceable battery: Yes
Battery capacity: 2500 mAh
Battery voltage: 3.8 V
Maximum standby time with dual SIM: 35 days
Maximum talk time (2G): 27.3 h
Maximum talk time (3G): 20.3 h
Maximum music playback time: 86 h
Maximum Wi-Fi network browsing time: 10.9 h
Maximum video playback time: 8.7 h
• Sensors
Sensors: Ambient light sensor, Accelerometer, Proximity sensor, Magnetometer, SensorCore
• Processor
CPU name: Qualcomm® Snapdragon™ 400
Number of cores: Quad core
Clock rate: 1200 MHz
• Connectivity basics
SIM card type: Micro SIM
Dual SIM: Dual Standby SIM
AV connectors: 3.5 mm stereo headset connector
Charging connectors: Micro-USB
System connectors: Micro-USB-B
USB: USB 2.0
• Cellular connectivity
GSM network: 850 MHz, 900 MHz, 1800 MHz, 1900 MHz
GSM max data speed DL: EGPRS 296.0 kbps
GSM max data speed UL: EGPRS 236.8 kbps
WCDMA network: Band 1 (2100 MHz), Band 2 (1900 MHz), Band 5 (850 MHz), Band 8 (900 MHz)
WCDMA max data speed DL: 42.2 Mbps (Cat 24)
WCDMA max data speed UL: 5.76 Mbps (Cat 6)
• GPS and navigation
Location technologies: A-GLONASS, A-GPS, BeiDou, Cellular and Wi-Fi network positioning
• Main camera
Main camera: 8.0 MP
Main camera focus type: Auto focus
Camera digital zoom: 4 x
Sensor size: 1/4 inch
Main camera f-number/aperture: f/2.2
Camera focal length: 28 mm
Flash type: LED flash
Camera features: Backside-illuminated image sensor, Dynamic flash, Rich capture
Camera minimum focus range: 10 cm
• Front-facing camera
Front camera: HD 0.9 MP wide angle
Front camera f-number/aperture: f/2.4
Front camera features: Still image capture, Video call, Video recording
Front camera video resolution: 720p (HD, 1280 x 720)
• Video recording
Main camera video resolution: 1080p (Full HD, 1920 x 1080)
Camera video frame rate: 30 fps
Camera video zoom: 4 x
Video recording features: Video zoom, Continuous autofocus, Video light
Video recording formats: MP4/H.264
• Contents
Microsoft Lumia 640 Dual SIM
Nokia Stereo Headset WH-108
Product user guide
Battery
Charger
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