Call management
| Call waiting |
Y |
| Caller ID |
Y |
| Speakerphone |
Y |
| Call divert |
Y |
| Call hold |
Y |
| Voice commands |
Y |
| Conference call |
Y |
| Speed dialing |
Y |
| Vibrating alert |
Y |
Performance
| Microphone mute |
Y |
| Support for contact groups |
Y |
| Personal info management (PIM) |
Alarm clock, Calculator, Calendar, Notes |
Battery
| Continuous video playback time |
11.7 h |
| Continuous audio playback time |
102 h |
| Browsing time (Wi-Fi) |
13 h |
| Standby time (2G) |
936 h |
| Talk time (3G) |
23.7 h |
| Talk time (2G) |
31.3 h |
Networking
| Wi-Fi |
Y |
| 4G |
Y |
| Near Field Communication (NFC) |
Y |
| 3G |
Y |
| Bluetooth |
Y |
| SIM card capability |
Dual SIM |
| 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 |
Ports & interfaces
| USB port |
Y |
| USB version |
2.0 |
| USB connector type |
Micro-USB |
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 |
| Maximum memory card size |
128 GB |
| USB mass storage |
Y |
Camera
| Video recording |
Y |
| Maximum frame rate |
30 fps |
| Auto exposure |
Y |
| Auto focus |
Y |
| Zoom capability |
Y |
| Front camera |
Y |
| Rear camera resolution (numeric) |
13 MP |
| Digital zoom |
4 x |
| Flash type |
LED |
| Geotagging |
Y |
| Built-in flash |
Y |
| Video capture resolution (max) |
1920 x 1080 pixels |
| Video recording modes |
1080p |
| Front camera resolution (numeric) |
5 MP |
Display
| Touch technology |
Multi-touch |
| Display type |
IPS |
| Orientation sensor |
Y |
| Pixel density |
259 ppi |
Software
| Operating system version |
8.1 |
| Office support |
Y |
Navigation
| GPS (satellite) |
Y |
| Pedestrian navigation |
Y |
| Assisted GPS (A-GPS) |
Y |
| Position location |
Y |
| GLONASS |
Y |
| Wi-Fi positioning |
Y |
Multimedia
| FM radio |
Y |
| Equalizer |
Y |
| Image formats supported |
JPG |
Messaging
| E-mail |
Y |
| Chat |
Y |
| MMS (Multimedia Messaging Service) |
Y |
| Text-to-speech message reader |
Y |
| Instant messaging (IM) |
Y |
| Short Message Service (SMS) |
Y |
Subscription
| Subscription type |
No subscription |
Additionally
| Battery performance |
3000 mAh |
| Internal RAM |
1 GB |
Qualcomm Snapdragon 400 (1.20 GHz), 1GB RAM, 8GB Flash/microSD up to 128GB, 14.478 cm (5.7 ") IPS LCD (1280 x 720/259ppi), 13/5MP, Micro USB 2.0, 802.11 b/g/n, Bluetooth 4.0, 4G/LTE, 3G/WCDMA, A-GPS/GLONASS, NFC, 3000mAh, Windows Phone 8.1, 171g, Cyan
<b>Powerful ideas</b>
You never know when you’ll think of something amazing. And with an extra-large battery, you won’t be looking around for an outlet when you’re ready to act on your next great idea. Turning inspiration into action is easy when you have a 3000 mAh battery and a Qualcomm® Snapdragon™ processor.
<b>The best moments in life</b>
From snapping a quick picture on holiday to calling home with Skype, the Lumia 640 XL LTE Dual SIM helps you turn inspiring experiences into precious memories. Enjoy high-quality, wide-angle Skype calls with the 5 MP front-facing camera and take stunning photographs with the 13 MP main camera.
<b>Afterwork apps</b>
Enjoy your free-time with apps like TripAdvisor, WhatsApp, Instagram, and Flipboard. Restaurant reviews and the latest news articles are always just a few taps away. And with a 5.7 inch HD display, the things you love about your afterwork apps are bigger and better than ever before.
<b>A little goes a long way</b>
It’s the small things in life that make a big difference. From the convenience of Action Center to the magic of Live Tiles, the simplicity of Windows Phone makes everyday tasks easier so you can focus on doing what you love.
<b>Room for two</b>
Optimizing your calls is easy with the Lumia 640 XL LTE Dual SIM. Simply pick the best SIM card for each of your contacts and enable call waiting or call forwarding between SIM cards.
<b>A proactive personal assistant</b>
Let Cortana manage your daily activities and enjoy the feeling of a worry-free day. From location-based reminders to real-time traffic updates, life is easier when you don’t have to think about where you need to be, how to get there, or who you’re meeting.
