Messaging
| Short Message Service (SMS) |
Y |
| E-mail |
Y |
| Chat |
Y |
| MMS (Multimedia Messaging Service) |
Y |
| Instant messaging (IM) |
Y |
Navigation
| Wi-Fi positioning |
Y |
| GPS (satellite) |
Y |
| Assisted GPS (A-GPS) |
Y |
| Position location |
Y |
| GLONASS |
Y |
Camera
| Video recording modes |
720p, 1080p |
| Video recording |
Y |
| Maximum frame rate |
30 fps |
| Auto focus |
Y |
| Front camera |
Y |
| Digital zoom |
4 x |
| Rear camera resolution (numeric) |
8 MP |
| Built-in flash |
Y |
| Front camera resolution (numeric) |
0.9 MP |
Performance
| Video call |
Y |
| Themes |
Wallpapers |
| Flight mode |
Y |
| Personalization |
Shortcuts, Menu, Icons |
| Microphone mute |
Y |
| Personal info management (PIM) |
Alarm clock, Calculator, Calendar, Events reminder, Notes, To-do list |
Networking
| 3G |
Y |
| Wi-Fi |
Y |
| 4G |
N |
| Bluetooth |
Y |
| SIM card capability |
Dual SIM |
| Tethering (modem-mode) |
Y |
| 2G standards |
GSM, GPRS |
| 3G standards |
WCDMA |
| 3G bands supported |
850, 900, 1900, 2100 MHz |
| SIM card type |
MicroSIM |
Certificates
| Digital Living Network Alliance (DLNA) certified |
Y |
Ports & interfaces
| USB port |
Y |
| USB version |
2.0 |
| USB connector type |
Micro-USB B |
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 |
Display
| Touch technology |
Multi-touch |
| Orientation sensor |
Y |
| Pixel density |
294 ppi |
| Display type |
IPS |
Software
| Operating system version |
8.1 |
| Office support |
Y |
Call management
| Speakerphone |
Y |
| Call timer |
Y |
| Call divert |
Y |
| Voice dialing |
Y |
| Call hold |
Y |
| Voice commands |
Y |
| Conference call |
Y |
| Speed dialing |
Y |
| Vibrating alert |
Y |
| Call waiting |
Y |
| Caller ID |
Y |
Battery
| Battery recharge time |
8.7 h |
| Browsing time (Wi-Fi) |
10.9 h |
| Standby time (3G) |
840 h |
| Talk time (3G) |
20.3 h |
| Talk time (2G) |
27.3 h |
| Continuous video playback time |
86 h |
Subscription
| Subscription type |
No subscription |
Additionally
| Battery performance |
2500 mAh |
| AC adapter bundled |
Y |
| Internal RAM |
1 GB |
12.7 cm (5 ") 1280x720 IPS, DualSIM, 3G, Qualcomm Snapdragon 400 1.2GHz, 1GB RAM, 8GB eMMC, MicroSD, 8/0.9MP, 802.11b/g/n, A-GPS, A-GLONASS, 2500mAh, 145g, Windows Phone 8.1, Orange
<b>Microsoft Lumia 640 Dual SIM</b>
You never know when you’ll come up with your next great idea. So be ready to capture your creativity with a phone that has everything you need to turn inspiration into action.
<b>Life made easier</b>
Open the box and power on your Lumia 640 Dual SIM to the full range of free Microsoft services built in and ready to go. Connect to friends and family with Skype, enjoy instant access to your photos and music on OneDrive, and edit files with Microsoft Office from wherever you are. Balancing your work life and personal life just became easier.
<b>Power-infused performance</b>
Loaded with all the power you need, the Lumia 640 Dual SIM works as fast and efficiently as you do. It’s a workhorse that lets you concentrate more on what you're doing at any moment, with its Qualcomm® Snapdragon™ processor and Microsoft Office built in. And you’ll have plenty of juice to help you achieve more with the whopping 2500 mAh battery.
<b>Capture your world with clarity</b>
Want to relive your favorite moments? Capture all of them with superb quality and ease using the Lumia Camera app and 8 MP rear camera, then upload them to your free OneDrive cloud storage to bring back the moment. And with the wide-angle, front-facing camera, let your family and friends see more of your surroundings clearly in your free HD Skype video calls.
<b>Your favorite apps in a whole new way</b>
Get all the apps and games you want and see them come to life on the 5 inch HD display. Take your pick from a growing selection of hundreds of thousands of apps in Windows Phone Store – from Trip Advisor to Instagram to WhatsApp to Candy Crush Saga. They’re all available and always secure.
<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>Accessible at any time</b>
Easily manage your mobile costs and be reachable to all your friends and colleagues with Smart Dual SIM, allowing you to enable call waiting and call forwarding between two SIM cards. Operator charges may apply.
<b>Hi there. I'm Cortana.</b>
Meet Cortana, the most talked about assistant with a personal touch. From giving you the latest traffic conditions to reminding you to pick up a gift for mom's birthday, she's always available and ready to help. And of course, you have complete control over just how much Cortana knows about you.
<b>What would my Lumia look like?</b>
Try our personalization tool and create your own unique Lumia experience.
