Microsoft Lumia 640 бял, поддържа 2 sim карти, 5" (12.7 cm) HD IPS LCD дисплей, четири-ядрен Cortex-A7 1.2 GHz, 1 GB RAM, 8GB Flash памет(+microSD слот), 8.0 & 0.9 Mpix camera, Windows 8.1, 145g

Microsoft Lumia 640 Dual SIM

You never know when you’ll come up with your next great idea. So be ready to capture your creativity with a phone that has everything you need to turn inspiration into action.

Power-infused performance

Loaded with all the power you need, the Lumia 640 Dual SIM works as fast and efficiently as you do. It’s a workhorse that lets you concentrate more on what you're doing at any moment, with its Qualcomm® Snapdragon™ processor and Microsoft Office built in. And you’ll have plenty of juice to help you achieve more with the whopping 2500 mAh battery.

Capture your world with clarity

Want to relive your favorite moments? Capture all of them with superb quality and ease using the Lumia Camera app and 8 MP rear camera, then upload them to your free OneDrive cloud storage to bring back the moment. And with the wide-angle, front-facing camera, let your family and friends see more of your surroundings clearly in your free HD Skype video calls.

Hi there. I'm Cortana.

Meet Cortana, the most talked about assistant with a personal touch. From giving you the latest traffic conditions to reminding you to pick up a gift for mom's birthday, she's always available and ready to help. And of course, you have complete control over just how much Cortana knows about you.


Operating System
Software release: Windows Phone 8.1 with Lumia Denim

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

Design
Design details: Exchangeable back cover
Other user interface features: Double-tap to wake, Glance screen, Tactile feedback, Vibrating alerts, Voice commands, Word flow keyboard

Processor
CPU name: Qualcomm Snapdragon 400
Number of cores: Quad core
Clock rate: 1200 MHz

Memory
Mass memory: 8 GB
RAM: 1 GB
Maximum memory card size: 128 GB
Expandable memory card type: MicroSD
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

Connectivity
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
Bluetooth: Bluetooth 4.0
Bluetooth profiles: Advanced Audio Distribution Profile (A2DP) 1.2, Audio/Video Remote Control Profile (AVRCP) 1.4, Generic Attribute Profile (GATT), Hands-free profile (HFP) 1.6, Human Interface Device Profile (HID), Object Push profile (OPP) 1.1, Personal Area Network Profile (PAN) 1.0, Phone Book Access Profile (PBAP) 1.1, Message Access Profile (MAP) 1.1
NFC: Pairing, Secure NFC for payment, Sharing, Tagging
Wi-Fi: WLAN IEEE 802.11 b/g/n
Wi-Fi hotspot: Up to 8 Wi-Fi-enabled devices
Other wireless connectivity: DLNA, Screen projection

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)

Camera
Main camera
Main camera: 8.0 MP
Main camera focus type: Auto focus
Camera digital zoom: 4x
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: 4x
Video recording features: Video zoom, Continuous autofocus, Video light
Video recording formats: MP4/H.264

Size & weight
Height2: 141.3 mm
Width3: 72.2 mm
Thickness4: 8.8 mm
Weight: 145 g



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