Model Name
Microsoft Lumia 640 LTE Dual SIM
Announced
2015, March. Released 2015, April
Dimensions
141.3 x 72.2 x 8.8 mm (5.56 x 2.84 x 0.35 in)
Sim
Dual SIM (Micro-SIM, dual stand-by)
Technology
GSM / HSPA / LTE
2g Bands
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3g Bands
HSDPA 850 / 900 / 1700 / 1900 / 2100
4g Bands
1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 38, 40
Speed
HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps
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
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
Card Slot
microSDXC (dedicated slot)
Internal
8GB 1GB RAM eMMC 4.5
Single
8 MP, f/2.2, 28mm (wide), 1/4.0, AF
Wlan
Wi-Fi 802.11 b/g/n, DLNA, hotspot
Gps
Yes, with A-GPS, GLONASS, BDS
Sensors
Accelerometer, proximity, compass
Type
Li-Ion 2500 mAh, removable
Stand By
Up to 864 h (2G) / Up to 864 h (3G)
Talk Time
Up to 26 h 30 min (2G) / Up to 17 h 30 min (3G)
Colors
Glossy cyan, Orange, White, Matte black
The Microsoft Lumia 640 LTE Dual SIM was announced at 2015, March. Released 2015, April. The Smartphone is released at Discontinued.The Smartphone is released at Discontinued.The Smartphone is Microsoft Windows Phone 8.1, upgradable to Microsoft Windows 10 which consists of Quad-core CPU.The graphics of this device is powered by Adreno 305 GPU.It has 8GB 1GB RAM eMMC 4.5.The device comes in 1 variants: 8GB 1GB RAM eMMC 4.5.The Smartphone comes with Microsoft Windows Phone 8.1, upgradable to Microsoft Windows 10. The Smartphone has 141.3 x 72.2 x 8.8 mm (5.56 x 2.84 x 0.35 in) thickness . It comes in 4 color variants, which are Glossy cyan, Orange, White, Matte black.The Smartphone is 2G Supported and has data speed of HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps. It has Dual SIM (Micro-SIM, dual stand-by). Microsoft Lumia 640 LTE Dual SIM has 5.0 inches display with 720 x 1280 pixels resolution. The display is protected by Corning Gorilla Glass 3 ClearBlack display.This device packs Li-Ion 2500 mAh, removable. It has Accelerometer, proximity, compass.