Microsoft Lumia 640 Dual SIM

Specifications
Microsoft Lumia 640 Dual SIM
MORE PICTURES
  • 5.0" 720x1280 pixels
  • 8MP 1080p
  • 1GB RAM Snapdragon 400
  • 2500mAh Li-Ion
Released 2015, April 145g, 8.8mm thickness Microsoft Windows Phone 8.1 8GB storage, microSDXC
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Network
Technology GSM / HSPA
2G bands GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G bands HSDPA 850 / 900 / 1900 / 2100
Speed HSPA 42.2/5.76 Mbps
Launch
Announced 2015, March. Released 2015, April
Status Discontinued
Body
Dimensions 141.3 x 72.2 x 8.8 mm (5.56 x 2.84 x 0.35 in)
Weight 145 g (5.11 oz)
SIM Dual SIM (Micro-SIM, dual stand-by)
Display
Type IPS LCD
Size 5.0 inches, 68.9 cm2 (~67.6% screen-to-body ratio)
Resolution 720 x 1280 pixels, 16:9 ratio (~294 ppi density)
Protection Corning Gorilla Glass 3
 ClearBlack display
Platform
OS Microsoft Windows Phone 8.1, upgradable to Microsoft Windows 10
Chipset Qualcomm MSM8926 Snapdragon 400 (28 nm)
CPU Quad-core 1.2 GHz Cortex-A7
GPU Adreno 305
Memory
Card slot microSDXC (dedicated slot)
Internal 8GB 1GB RAM
 eMMC 4.5
Main Camera
Single 8 MP, f/2.2, 28mm (wide), 1/4.0", AF
Features LED flash
Video 1080p@30fps
Selfie Camera
Single 1 MP
Video 720p
Sound
Loudspeaker Yes
3.5mm jack Yes
Comms
WLAN Wi-Fi 802.11 b/g/n, DLNA, hotspot
Bluetooth 4.0, A2DP
GPS Yes, with A-GPS, GLONASS, BDS
NFC No
Radio FM radio
USB microUSB 2.0
Features
Sensors Accelerometer, proximity, compass
Battery
Type Li-Ion 2500 mAh, removable
Stand-by Up to 840 h (2G) / Up to 840 h (3G)
Talk time Up to 27 h 30 min (2G) / Up to 20 h 30 min (3G)
Misc
Colors Glossy cyan, Orange, White, Matte black
Price About 170 EUR
Tests
Display Contrast ratio: 1034 (nominal), 2.563 (sunlight)
Loudspeaker Voice 70dB / Noise 65dB / Ring 75dB
Audio quality Noise -93.1dB / Crosstalk -93.2dB
Battery life Endurance rating 76h

User opinions and reviews

  • Anonymous

On my When you put the cover, the aftermarket in general, it holds the sound keys, and the phone don't start. Put you cover gently, or lime little, the inside off the bottom. I hope the fix the problem.

  • Anonymous

I have the same issue

  • Anonymous

From September 2015 till now I still use this phone. Battery still last whole day at normal usage. Battery health is 100% (according to battery X app). Display is like new (Gorilla glass 3). Some apps like whats Up, messenger do not work anymore. Fac...

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