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Key features:
1 GB RAM | 8 GB ROM | Expandable Upto 128 GB
5 inch HD Display
8MP Rear Camera | 0.9MP Front Camera
2500 mAh Battery
Qualcomm Snapdragon 400 Processor
Warranty Summary: Brand Warranty of 1 Year Available for Mobile and 6 Months for Accessories
Connectivity Features
Wi-Fi Hotspot: Yes
Pre-installed Browser: Internet Explorer 11
EDGE Features: 236.8 kbps
Network Type: 3G, 2G
3G: Yes
USB Connectivity: Yes
Audio Jack: 3.5 mm
Supported Networks: GSM, WCDMA
Wi-Fi Version: 802.11 b/g/n
Bluetooth Version: 4
NFC: Yes
Bluetooth Support: Yes
Wi-Fi: Yes
3G Speed: 42.2 Mbps HSDPA; 5.76 Mbps HSUPA
GPS Support: Yes
GPRS Features: 296.0 kbps
Map Support: HERE Transit, HERE Drive+, HERE Maps
Micro USB Port: Yes
Internet Connectivity: 3G, Wi-Fi, GPRS, EDGE
Micro USB Version: 2
Width: 72.2 mm
Depth: 8.8 mm
Weight: 145 g
Height: 141.3 mm
Memory & Storage Features
Internal Storage: 8 GB
Supported Memory Card Type: MicroSD
Expandable Storage: 128 GB
Phone Book Memory: Yes
Call Log Memory: Yes
SMS Memory: Yes
Browse Type: Smartphones
Touchscreen: Yes
SIM Type: Dual Sim
Color: White
Brand: Microsoft
In The Box: Nokia Stereo Headset WH-108, Product User Guide, Battery, Charger, Handset
Model Number: RM - 1077
Model Name: Lumia 640
Sound Enhancements: Integrated Hands-free Speakers, Noise Cancellation
Call Features
Call Divert: Yes
Speed Dialing: Yes
Call Wait/Hold: Yes
Hands Free: Yes
Video Call Support: Yes
Conference Call: Yes
Phone Book: Yes
Multimedia Features
Music Player: Yes
Video Formats: H.264, VC-1, H.263, MP4, Windows Video, AVC, MPEG4
Audio Formats: AMR-NB, GSM FR, AAC-LC
DLNA Support: Yes
FM Radio: Yes
Other Details
Smartphone: Yes
Removable Battery: Yes
SMS: Yes
MMS: Yes
Touchscreen Type: Capacitive
Important Apps: YouTube, Touch UI, XBox-Live Hub, DirectX 11, MixRadio, Skype Video Call, Facebook, Linkedin, Twitter, WhatsApp, OneDrive, Lync (Corporate IM) Free Download, Company Hub for Enterprise Applications
Other Features: 30 GB Free Cloud Storage, OneDrive Cloud Storage, Vibrating Alerts, Word Flow Keyboard, Micro-USB-B System Connectors, WLAN Support, Double-tap to Wake, Glance Screen, Tactile Feedback, Peer-to-peer Sharing: Lumia Beamer, Lumia Storyteller, Audio and Video Streaming, Device Lock, PIN Code, Device Lock Passcode, Backup and Restore Via Internet, Mobile VPN, Remote Lock and Wipe, Voice Recognition, Customizable Home Screen, Font Magnification, High Contrast Mode, Screen Magnification, Calculator, Clock, Calendar, Alarm Clock with Ringtones, Reminders, To-do List, Family Room, Kids Corner, Call Waiting, Call History, One Integrated Phonebook, Voice Mail, Text-to-speech Message Reader, Digital Zoom - 4x
Upgradable Operating System: Windows 10
SIM Access: Dual Standby
Sensors: Sensor Core, Proximity Sensor, Accelerometer, Ambient Light Sensor, Magnetometer
SIM Size: Micro SIM
Voice Input: Yes
Browser: Internet Explorer
Camera Features
Secondary Camera Available: Yes
Full HD Recording: Yes
Frame Rate: 30 fps
Secondary Camera Features: f-number/aperture: f/2.4, Still Image Capture, Video Call, Video Recording (1280 x 720 Pixels), Lumia Selfie, Wide Angle
Flash: LED
Video Recording Resolution: 1920 x 1080
Primary Camera Available: Yes
Video Recording: Yes
HD Recording: Yes
Digital Zoom: Yes
Secondary Camera: 0.9MP
Primary Camera Features: Auto Focus, Sensor size: 1/4-inch, f-number/aperture: f/2.2, Focal Length: 28 mm, Backside-illuminated Image Sensor, Focus Range: 10 cm, Dynamic Flash, Rich Capture, Lumia Camera, Lumia Refocus, Lumia Moments
Primary Camera: 8MP
Battery & Power Features
Battery Capacity: 2500 mAh
Os & Processor Features
Operating Frequency: GSM - 850, 900, 1800, 1900; WCDMA - 2100
Processor Type: Qualcomm Snapdragon 400
Operating System: Windows 8.1
Primary Clock Speed: 1.2 GHz
Processor Core: Quad Core
Display Features
Display Type: IPS LCD
Display Size: 5 inch
Display Colors: 16 M
GPU: Adreno 305
Resolution: 1280 x 720 Pixels
Resolution Type: HD
Other Display Features: Lumia Color Profile, Easy to Clean, Multi-point Touch, Corning Gorilla Glass 3, Sunlight Readability Enhancements