Microsoft Lumia 640 Dual SIM
The first smartphone to come with Windows Phone 8.1 Update 2 onboard, Lumia 640 Dual SIM offers more than decent specs at an affordable price.
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STATUS
INTRODUCED
FORM FACTOR
NETWORKS
BATTERY
PLATFORM
INTRODUCED
FORM FACTOR
NETWORKS
BATTERY
PLATFORM
Available
April 2015
Block
2G, 3G
Li-Ion, 2500 mAh
Windows Phone
April 2015
Block
2G, 3G
Li-Ion, 2500 mAh
Windows Phone
Technical Specifications
general
- Introduced
- April 2015
- Announced
- March 2015
- Network (2G)
- GSM 900 / GSM 1800 / GSM 1900 / GSM 850
- Network (3G)
- HSDPA 850 / HSDPA 1900 / HSDPA 2100 / HSDPA 900
- Form factor
- Block
- Antenna type
- Internal
sim information
- SIM Type
- micro-SIM
- Multi-SIM
- Dual-Sim
- MUlti-SIM Mode
- Dual Standby
- SIM 2 Specifications
- GSM 850 / 900 / 1800 / 1900
software & os
- Platform
- Windows Phone
- OS & Version
- Microsoft Windows Phone 8.1 with Lumia Denim
hardware specs
- Internal Storage
- 8 GB
- RAM
- 1 GB
- CPU / Chipset
- Qualcomm MSM8926 Snapdragon 400 / Quad-core 1.2 GHz Cortex-A7
- GPU
- Adreno 305
size
- Weight
- 145.0 g (with battery)
- Dimensions
- 141.3 x 72.2 x 8.8
display
- Type
- Graphical
- Coloured
- Yes, IPS LCD capacitive touchscreen, 16M colors
- Size
- 5.00 inch
- Resolution
- 720 x 1280 pixels
- Extras
- - ClearBlack display- Gorilla Glass 3
ringtones
- Polyphonic ringtones
- Yes
- Ringtone profiles
- Yes
networking
- HSDPA speed
- 42.2 Mbps
- GPRS
- Yes
- EDGE
- Yes
- WLAN
- Yes, Wi-Fi 802.11 b/g/n, DLNA, hotspot
- Bluetooth
- Yes, 4.0, A2DP
- WAP
- Yes
- Browser
- Yes, HTML5
- Email client
- Yes
- PC kit
- No
camera
- Type
- Builtin, 8 MP
- Photo Resolution
- 3264 x 2448 pixels
- Flash
- LED Flash
- Autofocus
- Yes
- Secondary camera
- Yes, 1 MP, 720p
- Extras
- - 1/4'' sensor size
features
- Vibration
- Yes
- SMS
- Send / Receive
- MMS
- Send / Receive
- Java
- Games
- Yes, (changeable)
- Clock
- Yes
- Alarm
- Yes
- Calculator
- Yes
- Calendar
- Yes
- To-do list
- Yes
- Voice dialing
- Yes
- Voice memo
- Yes
- T9
- Yes
- Multiple numbers / contact
- Yes
- Handsfree
- Yes
- Headset jack
- Yes
- FM Radio
- Yes
- Extras
- - OneDrive (30 GB cloud storage)
standard battery
- Type
- Li-Ion
- Capacity
- 2500 mAh
- Standby time
- GSM: 840h / 3G: 840h
- Talk time
- GSM: 27h 30m / 3G: 20h 30m
Photo Gallery
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