Nokia Lumia 638

 
 
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Code RM-1010 
Announced 2014-12-18 

Esentials

Operating System

  • Software release: Windows Phone 8.1 with Lumia Cyan 

Size & weight

  • Height: 129.5 mm
  • Width: 66.7 mm
  • Thickness2: 9.2 mm
  • Weight: 134 g

Display

  • Display size: 4.5 ''
  • Display resolution: FWVGA (854 x 480) 
  • Display colours: TrueColor (24-bit/16M) 
  • Display technology: ClearBlack, IPS LCD 
  • Pixel density: 221 ppi
  • Display features: Lumia Color profile, Wide viewing angle
  • 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 
  • Free cloud storage: 15 GB
  • User data storage: In device, Memory card, OneDrive cloud storage, App and data storage on memory card

Battery

  • Replaceable battery: Yes 
  • Battery capacity: 1830 mAh
  • Battery voltage: 3.7 V
  • Maximum standby time: 20 days
  • Maximum music playback time: 58 h
  • Maximum Wi-Fi network browsing time: 9.4 h
  • Maximum video playback time: 7 h

Design

  • Other user interface features: Vibrating alerts, Voice commands

Keys and Input Methods

  • User Input: Touch 
  • Operating keys: Volume keys, Power/Lock key

Sensors

  • Sensors: Accelerometer, SensorCore

Processor

  • CPU name: Snapdragon™ 400 
  • Number of cores: Quad core 
  • Clock rate: 1200 MHz

Connectivity

Connectivity basics

  • SIM card type: Micro SIM 
  • 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, Object Push profile (OPP) 1.1, Phone Book Access Profile (PBAP) 1.1
  • Wi-Fi: WLAN IEEE 802.11 b/g/n 
  • Wi-Fi hotspot: Up to 8 Wi-Fi-enabled devices 
  • Other wireless connectivity: Screen projection 

Local sharing

Cellular connectivity

  • GSM network: 850 MHz, 900 MHz, 1800 MHz, 1900 MHz
  • GSM max data speed DL: EGPRS 236.8 kbps 
  • GSM max data speed UL: EGPRS 236.8 kbps 
  • WCDMA network: Band 1 (2100 MHz), Band 2 (1900 MHz), Band 5 (850 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 3 (1800 MHz), Band 7 (2600 MHz)
  • LTE max data speed DL: 150 Mbps (Cat 4) 
  • LTE max data speed UL: 50 Mbps (Cat 4) 
  • td-scdma network: Band 34/A (2010-2025 MHz), Band 39/F (1880-1920 MHz)
  • TD-SCDMA max data speed DL: 2.8 Mbps 
  • TD-SCDMA max data speed UL: 2.2 Mbps 

Maps and navigation

GPS and navigation

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

Navigation apps

  • HERE Drive+
  • HERE Maps
  • Camera

Main camera

  • Main camera: 5.0 MP
  • Main camera focus type: Auto focus 
  • Camera digital zoom: 4 x
  • Sensor size: 1/4 inch 
  • Main camera f-number/aperture: f/2.4 
  • Camera focal length: 28 mm
  • Camera features: Auto and manual exposure, Auto and manual white balance, Automatic photo upload to web services, Full resolution photo and video upload, Full screen viewfinder, Geotagging, Landscape orientation, Touch focus
  • Camera minimum focus range: 10 cm

Video recording

  • Main camera video resolution: 720p (HD, 1280 x 720) 
  • Camera video frame rate: 30 fps
  • Camera video zoom: 4 x
  • Video recording features: Video zoom, Continuous autofocus
  • Video recording formats: MP4/H.264 

Photography apps

  • Lumia Camera
  • Lumia Cinemagraph
  • Lumia Selfie
  • Lumia Panorama

Video and Audio

Audio

  • Audio recording codecs: AAC LC, AMR-NB, GSM FR
  • Audio recording features: Mono 
  • Audio playback features: Album graphics display in Music player, Audio Streaming, Cloud music offline playback, Cloud music playback, Media Player, Music Player, Podcasts
  • Radio features: Internet Radio, FM Radio

Video playback

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

Music apps

  • MixRadio

Device security

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

Environmental features

  • Materials: Free of PVC, Contains recycled metals, Free of nickel on the product surface, Free of BFR, rFR as in NSL
  • Packaging: Made of renewable materials, Minimized package, Packaging is 100 % recyclable, Containing up to 30% recycled materials, Virgin wood fibres up to 90% certified
  • Energy efficiency: Automatic screen brightness adjustment, Battery saver feature, Energy efficient charger
  • Product recycling: 100% recoverable as materials and energy 
  • Eco content and services: Available at Store, Contains preinstalled eco content, HERE Drive: route optimization, HERE Maps: pedestrian navigation
  • User guide: In-device user guide, Small printed guide, full on our websites

Accessibility

  • Hearing: Vibrating alerts, HAC (M3/T3), BT neckloop compatible, TTY support
  • Vision: Vibrating alerts, Voice recognition, Font magnification, Voice commands, Customizable home screen, High contrast mode, Screen magnification
  • Physical skills: Voice commands, Customizable home screen, Speakerphone, Speed dial, Voice recognition

Other services and features

Tools and productivity

  • Back-up and restore your data: Yes 

Call management

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

Other Applications

Email

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

Messaging features

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

Browser

  • Internet browser capabilities: Internet Explorer 11 

Social apps

  • Facebook
  • LinkedIn
  • Twitter
  • WhatsApp
  • Foursquare
  • OneDrive

What's in the box

  • Lumia 638
  • High Efficiency Charger AC-20
  • Nokia Battery BL-5H 1830 mAh
  • Nokia Stereo Headset WH-108
  • User Guide