Specifications

  • Lumia 640 LTE Dual SIM
    72.2 mm
  • Lumia 640 LTE Dual SIM
    8.8 mm
  • 141.3 mm
  • Lumia 640 LTE Dual SIM
    72.2 mm
  • Lumia 640 LTE Dual SIM
    8.8 mm
  • 141.3 mm
  • Lumia 640 LTE Dual SIM
    72.2 mm
  • Lumia 640 LTE Dual SIM
    8.8 mm
  • 141.3 mm
  • Lumia 640 LTE Dual SIM
    72.2 mm
  • Lumia 640 LTE Dual SIM
    8.8 mm
  • 141.3 mm

What's in the box

  • Battery
  • Charger
  • Product user guide
  • Microsoft Lumia 640 LTE

Operating System

  • Software release: Windows Phone 8.1 with Lumia Denim

Size & weight

  • Height: 141.3 mm
  • Width: 72.2 mm
  • Thickness: 8.8 mm
  • Weight: 145 g

Display

  • Display size: 5 ''
  • Display resolution: HD720 (1280 x 720)
  • Display colours: TrueColor (24-bit/16M)
  • Display technology: IPS LCD, ClearBlack
  • Pixel density: 294 ppi
  • Display features: Easy to clean, Lumia Color profile, Corning® Gorilla® Glass 3, Sunlight readability enhancements
  • Touch screen technology: Capacitive multipoint-touch

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: 36 days
  • Maximum talk time (2G): 26.5 h
  • Maximum talk time (3G): 17.5 h
  • Maximum music playback time: 86 h
  • Maximum Wi-Fi network browsing time: 10.8 h
  • Maximum video playback time: 8.6 h

Design

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

Keys and Input Methods

  • User Input: Touch
  • Operating keys: Volume keys, Power/Lock key, UI keys (back, start, search)

Sensors

  • Sensors: SensorCore, Magnetometer, Accelerometer, Proximity sensor, Ambient light sensor

Processor

  • CPU name: Qualcomm Snapdragon 400
  • Number of cores: Quad core
  • Clock rate: 1200 MHz
  • Read more: www.qualcomm.com
  • Qualcomm® Snapdragon

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: Hands-free profile (HFP) 1.6, Object Push profile (OPP) 1.1, Generic Attribute Profile (GATT), Message Access Profile (MAP) 1.1, Human Interface Device Profile (HID), Phone Book Access Profile (PBAP) 1.1, Personal Area Network Profile (PAN) 1.0, Advanced Audio Distribution Profile (A2DP) 1.2, Audio/Video Remote Control Profile (AVRCP) 1.4
  • NFC: Pairing, Sharing, Tagging, Secure NFC for payment
  • 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

Local sharing

  • Peer-to-peer sharing: Lumia Storyteller

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 5 (850 MHz), Band 8 (900 MHz), Band 1 (2100 MHz), Band 2 (1900 MHz), Band 4 (1700/2100 MHz)
  • WCDMA max data speed DL: 42.2 Mbps (Cat 24)
  • WCDMA max data speed UL: 5.76 Mbps (Cat 6)
  • LTE FDD network: Band 5 (850MHz), Band 8 (900MHz), Band 17 (700MHz), Band 20 (800MHz), Band 1 (2100 MHz), Band 12 (700 MHz), Band 2 (1900 MHz), Band 28 (700 MHz), Band 3 (1800 MHz), Band 7 (2600 MHz), Band 4 (1700/2100 MHz)
  • TD-LTE network: Band 38 (2570-2620 MHz), Band 40 (2300-2400 MHz)
  • LTE max data speed DL: 150 Mbps (Cat 4)
  • LTE max data speed UL: 50 Mbps (Cat 4)

GPS and navigation

  • Location technologies: A-GPS, BeiDou, A-GLONASS, Cellular and Wi-Fi network positioning
  • Maps: Free maps, Offline maps, Pin places to Start screen, Turn-by-turn walk directions, Online and offline favourites, Real-time traffic information, Venue maps - shopping and transport centers
  • Drive: Speed limit warnings, Favorite destinations, Live traffic information, Free global voice guided turn-by-turn drive navigation

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: Rich capture, Dynamic flash, Backside-illuminated image sensor
  • 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: Video call, Video recording, Still image capture
  • 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, Video light, Continuous autofocus
  • Video recording formats: MP4/H.264

Audio

  • Audio recording codecs: AAC LC, AMR-NB, GSM FR
  • Audio recording features: Mono
  • Audio playback features: Podcasts, Media Player, Music Player, Audio Streaming, Virtual surround, Graphical equalizer, Cloud music playback, Cloud music offline playback
  • Radio features: FM Radio, Internet Radio

Video playback

  • Video playback frame rate: 30 fps
  • Video playback codecs: VC-1, H.263, MPEG-4, H.264/AVC, Windows video
  • Video streaming: Progressive video download, YouTube browsing and video streaming, Streaming from video services and internet

Tools and productivity

  • Personal information management features: Clock, Wallet, OneNote, Calendar, Phonebook, Reminders, Calculator, To-do list, Family Room, Kid's Corner, Notifications, Alarm clock with ringtones, Social networks in Phonebook
  • Business apps: Office apps, Microsoft Outlook, Adobe Reader free download, Lync (Corporate IM) free download, Company Hub for enterprise applications, OneDrive storage for documents and notes
  • Back-up and restore your data: Yes
  • Sync type: Exchange ActiveSync, Via Windows Phone apps
  • Device management: AirWatch, Symantec, MobileIron, Windows Intune, Microsoft System Center, OMA Device Management v1.2, OMA Client Provisioning v1.1, OMA Device Management v1.1.2

Call management

  • Call types: HD Voice call, Conference call, Skype video call
  • Call management features: Speed dial, Voice mail, Call history, Call waiting, Call forwarding, Integrated hands-free speakers
  • Noise reduction: Yes
  • Supported amount of phonebooks: One integrated phonebook

Other Applications

  • Game features: Xbox, Touch UI, DirectX 11

Email

  • Email features: HTML emails, Linked inboxes, Inbox filtering, Multiple email accounts, Conversational view on email, Text-to-speech message reader, Viewing and editing of email attachments

Messaging features

  • Messaging features: Text messaging, Multimedia messaging, Conversational chat style SMS, Text-to-speech message reader, Unified inbox for SMS and MMS, Number screening for messaging, Distribution lists for messaging, Concatenated SMS for long messages, Integrated text messaging and chat, Automatic resizing of images for MMS

Browser

  • Internet browsers: Internet Explorer 11

Device security

  • General security features: PIN code, Signed OS, Device lock, Secure boot, Consumer VPN, Device lock passcode, Application sandboxing, Application certification, Track and Protect via internet, Backup and restore via Internet, Regular signed firmware updates, Remote device lock via Internet, Remote device wipe via Internet, Browser integrated anti-phishing
  • Enterprise security features: Mobile VPN, Remote lock and wipe, Mobile device management, Remote security policy enforcement, Hardware accelerated device encryption
  • Supported security standards: SSL v3.0, TLS v1.0, TLS v1.1, TLS v1.2, Suite B ciphers
  • Wi-Fi security modes: WEP, WPA, EAP-AKA, EAP-SIM, EAP-TLS, WPA-Personal, PEAP-MSCHAPv2, WPA2-Personal, WPA-Enterprise, WPA2 (AES/TKIP), WPA2-Enterprise, EAP-TTLS/MSCHAPv2

Environment

  • Materials: Free of BFR, Free of PVC, Free of nickel on the product surface
  • Packaging: Minimized package, Made of renewable materials, Packaging is 100 % recyclable, Containing up to 55% recycled materials, Virgin wood fibres up to 100% certified
  • Energy efficiency: Power Save mode, Battery saver feature, Energy efficient charger, Automatic screen brightness adjustment
  • Product recycling: 100% recoverable as materials and energy
  • User guide: Small printed guide, In-device user guide

Accessibility features

  • Hearing: TTY support, Vibrating alerts, BT neckloop compatible
  • Vision: Voice commands, Vibrating alerts, Voice recognition, Font magnification, High contrast mode, Screen magnification, Customizable home screen
  • Physical skills: Speed dial, Speakerphone, Voice commands, Voice recognition, Customizable home screen