Certificates
Body SAR (EU) |
0.45 W/kg |
Head SAR (EU) |
0.73 W/kg |
Digital Living Network Alliance (DLNA) certified |
Y |
Ports & interfaces
USB port |
Y |
USB version |
2.0 |
USB connector type |
Micro-USB |
Networking
Wi-Fi |
Y |
4G |
Y |
Near Field Communication (NFC) |
Y |
3G |
Y |
Bluetooth |
Y |
SIM card capability |
Single SIM |
Tethering (modem-mode) |
Y |
4G bands supported |
2600, 2100, 1800, 900, 800 MHz |
2G standards |
GSM |
3G standards |
WCDMA |
3G bands supported |
850, 900, 2100 MHz |
SIM card type |
MicroSIM |
Processor
Processor frequency |
1.2 GHz |
Processor cores |
4 |
Ergonomics
Accelerometer |
Y |
Ambient light sensor |
Y |
Proximity sensor |
Y |
Storage
Internal storage capacity |
8 GB |
USB mass storage |
Y |
Maximum memory card size |
128 GB |
Camera
Video recording |
Y |
Auto focus |
Y |
Maximum frame rate |
30 fps |
Digital zoom |
4 x |
Front camera |
Y |
Rear camera resolution (numeric) |
8 MP |
Flash type |
LED |
Geotagging |
Y |
Built-in flash |
Y |
Front camera resolution (numeric) |
0.9 MP |
Video recording modes |
720p, 1080p |
Display
Touch technology |
Multi-touch |
Orientation sensor |
Y |
Pixel density |
294 ppi |
Display type |
IPS |
Software
Operating system version |
8.1 |
Office support |
Y |
Performance
Video call |
Y |
Themes |
Wallpapers |
Flight mode |
Y |
Personalization |
Shortcuts, Menu, Icons |
Support for contact groups |
Y |
Microphone mute |
Y |
Personal info management (PIM) |
Alarm clock, Calculator, Calendar, Events reminder, Notes, To-do list |
Navigation
GPS (satellite) |
Y |
Assisted GPS (A-GPS) |
Y |
Position location |
Y |
GLONASS |
Y |
Wi-Fi positioning |
Y |
Battery
Continuous audio playback time |
86 h |
Browsing time (Wi-Fi) |
10.8 h |
Talk time (3G) |
17.5 h |
Talk time (2G) |
26.5 h |
Continuous video playback time |
8.6 h |
Call management
Speakerphone |
Y |
Call timer |
Y |
Call divert |
Y |
Call hold |
Y |
Conference call |
Y |
Speed dialing |
Y |
Vibrating alert |
Y |
Call waiting |
Y |
Caller ID |
Y |
Messaging
E-mail |
Y |
Chat |
Y |
MMS (Multimedia Messaging Service) |
Y |
Instant messaging (IM) |
Y |
Short Message Service (SMS) |
Y |
Subscription
Subscription type |
No subscription |
Additionally
Battery performance |
2500 mAh |
Internal RAM |
1 GB |
Lumia 640 LTE - 5" 1280 x 720 IPS LCD 294 ppi, LTE, WCDMA, GSM, Qualcomm Snapdragon 400 Quad core 1200 MHz, RAM: 1 GB, 8.0 MP, Wi-Fi, Bluetooth, NFC, A-GLONASS, A-GPS, Windows Phone 8.1 Lumia Denim
<b>Increased Productivity</b>
Easily connect with work and personal e-mail correspondence on the go with Microsoft Outlook, built-in and free. Access, edit and share Word, Excel and PowerPoint documents, and OneNote notebooks, wherever you may be whether they are work presentations or your all-important CV.
<b>Built-in Skype Integration</b>
Skype comes pre-loaded on Lumia 640 so you have instant access to free calls to over 300 million Skype users. The Skype experience is made even better with built-in Skype integration and a front-facing camera which allow you to switch seamlessly between voice and video calls and chat with the utmost ease.
<b>Innovations Brought by Windows Phone 8.1 and Lumia Denim</b>
Have the most personalized home screen with the latest version of Windows Phone 8.1 which is powered by a speedy quad core processor. Lumia 640 comes complete with one-swipe Action Center, Word Flow, Live folders and Cortana (where available), a truly personal virtual assistant that anticipates your needs and makes tailored suggestions as a result. In addition to all of that, you can stay up-to-date with the best features through regular updates to Windows. Lumia 640 will upgrade to, and benefit from the core features of Windows 10 as it becomes available later this year.
<b>OneDrive Cloud Storage</b>
Save and sync photos, videos and Office documents securely with free OneDrive cloud storage*, so that your documents go
wherever you go.