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Microsoft Lumia 640 Review

LTE Dual SIM (RM-1109)     See other variants reviews Score: 64.3 / 100

Microsoft Lumia 640 is a high quality Windows Phone 8.1 phone, coming with a big 5 inches multi touch capacitive screen, a powerful 1.2 GHz Quad-Core processing unit, and 2 cameras, an 8 mega-pixels back camera and a 0.9 MP front-facing camera. Great! That's it? No, it's just the shortest summary.

Microsoft decided to build this phone using a powerful 1200 megahertz Quad-Core processing unit, included in a Qualcomm Snapdragon 400 system chip with 1 GB RAM. The Lumia 640 counts with an interesting 8 GB internal storage memory and a slot for an external memory card, allowing the user to install hundreds of apps and games without any problem.

This cellphone feels much lighter than what one would expect from a cellphone this size. Microsoft sells this cellphone in many color variations: black, orange, blue and white. The Lumia 640 is a very compact device, taking into consideration it has a 5 inches display and it's only 5.56" long and 2.84 inches wide. This device is extremely slim and stilized, being just 0.35 inches thick.

This phone is equipped with two cameras, an 8 mega-pixels back-facing camera and a 0.9 megapixels front-facing camera. It can also capture 1920x1080 Full HD videos at 30 fps. The camera also features a couple of good characteristics: flash, auto-focus, face detection shooting, HDR mode and geo tagging.

Microsoft designed this phone with a interesting 5 inches screen, and a resolution of 1280 x 720 (HD), providing this cellphone with a good graphic quality. Its screen uses IPS LCD capacitive technology, and can detect multi touch gestures.

This phone counts with a large 2500 mAh replaceable battery that can keep it running for several hours without having to charge it at all. Microsoft reports a stand by time of 864 hs and a talk time of 26.5 hours for this device.

The Lumia 640 provides wifi connection (and it can be provided to other devices as a mobile hotspot), 4G (LTE) high performance connection type and also HSPA+ internet connection, that is a slower 4G variation and fast 3G connection type, over HSDPA, HSUPA and EDGE technologies. This cellphone has dual sim cards so it's able to work with two different phone numbers or carriers at the same time.

This cellphone also features a wide range of interesting features like Wireless charging system, NFC, Bluetooth (4.0), GPS and FM Radio, and plenty of sensors like Light Sensor, Proximity Sensor, Accelerometer and Compass.

Microsoft is selling this phone for $ 139, which is not so cheap for comparing with similar cellphones. This phone is very appropiate for you no matter if you are an amateur photographer, want a cellphone for work, want a social phone or will use it as a gaming device.



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Specifications

Device Type:Phone
Brand:Microsoft
Operating System (OS):Windows Phone 8.1
Variant:LTE Dual SIM
See other variants reviews
Product code:RM-1109
Dimensions:5.56 x 2.84 x 0.35 inchesMetric14.12 x 7.21 x 0.89 cmImperial
Weight:5.11 ouncesMetric144.87 gImperial
Colors:Black, Blue, Orange and White
Scratch Resistant Glass:Yes
Price:$ 139.00

Display

Screen Type:IPS LCD (16M colors)
Size:5 inchesMetric12.7 cmImperial
Resolution:720 x 1280 pixels (HD)
Pixel density:294 pixels per inchMetric115.75 pixels per cmImperial
Touch screen:Capacitive, Multi-touch

Hardware

Chipset:Qualcomm Snapdragon 400
Processor: Quad-Core 1200 MHz
RAM Memory:1 GB
Graphics Processor:Yes
Internal Memory:8 GB
SD Card Slot:microSD, microSDHC, microSDXC (up to 128 GB)

Battery

Removable:Yes
Capacity:2500 mAh
Wireless Charging:Yes
Stand-by Time:864 hours
Talk Time:26.5 hours

Camera

Back camera:8 megapixels
    Aperture:f/2.20
    Focal length:28mm (35mm equivalence)
    Sensor size:0.25 inches (1/4")
    Flash:Yes
Front camera:0.9 megapixels
Max video resolution:1920 x 1080 (30 fps) (Full HD)
Camera features:Auto-Focus, Face Detection Shooting, Geo Tagging and HDR Mode

Networks

Wi-Fi:Yes
    Mobile Hotspot:Yes
SIM Card Type:Micro SIM
Dual SIM:Yes
LTE (4G) Bands:700 (band 12), 700 (band 17), 700 (band 28), 800 (band 20), 850 (band 5), 900 (band 8), 1700/2100 (band 4), 1800 (band 3), 1900 (band 2), 2100 (band 1), 2600 (band 7)
UMTS Bands:850, 900, 1700/2100, 1900, 2100
GSM Bands:850, 900, 1800, 1900
Technologies:LTE (4G), HSPA+ (4G), HSDPA, HSUPA, EDGE, GPRS and GSM

Other Features

Bluetooth:Version 4.0
GPS:Yes
NFC (Near Field Communication):Yes
Radio:FM Radio
Sensors:Accelerometer, Compass, Light Sensor and Proximity Sensor