Microsoft Lumia 640 Review

LTE Dual SIM (RM-1109)     See other variants reviews Score: 7.06/10
Microsoft Lumia 640 XL 8GB Unlocked GSM Quad-Core WIndows Smartphone w/ 13MP Camera - Orange Microsoft Lumia 640 XL 8GB Unlocked GSM Quad-Core WIndows Smartphone w/ 13MP Camera - Orange Microsoft Lumia 640 XL 8GB Unlocked GSM Quad-Core WIndows Smartphone w/ 13MP Camera - Orange Microsoft Lumia 640 XL 8GB Unlocked GSM Quad-Core WIndows Smartphone w/ 13MP Camera - Orange
Microsoft Lumia 640 White 8GB LTE (RM-1072) 5

Microsoft Lumia 640 is a good quality Windows Phone 8.1 phone, with a comfortable 5-inches screen, a powerful Quad-Core CPU running at 1200 MHz, an 8 mega-pixels back-facing camera and a 0.9 megapixels front side camera. Let's take a closer sight of what this phone can give us.

Microsoft decided to sell this device with a quite powerful 1.2 gigahertz Quad-Core CPU, bundled in the Qualcomm Snapdragon 400 system chip with 1 GB of RAM. A good advantage of the Lumia 640 is its quite large 8 GB internal storage and a slot for an SD memory card, which allows you to install a couple hundred apps and games without running out of space.

This device is much lighter than what one would think about a phone this size. This cellphone just has 5.56" long and 2.84" wide, but it still manages to hold a 5" screen. This cellphone is just 0.35" thick, making it one of the thinnest cellphones nowadays. Microsoft made this phoneavailable just in a variety of colors like black, orange, blue and white.

Microsoft packed this phone with a nice 5" screen, and a 1280 x 720 (HD) resolution, making everything look very good. Its screen uses IPS LCD capacitive technology, and has multi-touch detection.

This phone is equipped with two cameras, an 8 megapixels back side camera and a 0.9 mega-pixels front camera. It also captures videos up to 1920x1080 (Full HD) at 30 fps. In addition, the camera includes a couple of useful features: flash, face detection shooting, auto-focus, geo tagging and HDR mode.

The Lumia 640 provides WiFi connectivity (which can be shared with other devices around, acting as a modem), LTE 4G high performance data connection and also HSPA+ data connection, that is a bit slower 4G technology or fast 3G connection type, over HSDPA, HSUPA and EDGE technologies. This phone supports dual SIM cards so it can to use 2 different phone numbers and even different carriers.

This phone also includes many interesting features like Bluetooth (4.0), FM Radio, GPS Localization and NFC, and multiple sensors like Light Sensor, Proximity Sensor, Accelerometer and Compass.

The Lumia 640 has a great 2500 mAh battery providing this phone an amazing battery duration. According to Microsoft, this phone has an estimated 864 hs stand by time and a 26.5 hours talk time.

Microsoft is offering this device for only 139 dollars, which is an incredible offer comparing with similar devices. No matter whether you are looking for a device to majorly use social networks, will use it as a gaming phone or will use it as a work cellphone, this cellphone is definitely a very good choice .

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Device Type:Phone
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


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


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)


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


Back camera:8 megapixels
    Focal length:28mm (35mm equivalence)
    Sensor size:0.25 inches (1/4")
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


    Mobile Hotspot:Yes
SIM Card Type:Micro SIM
Dual SIM:Yes
GSM Bands:850, 900, 1800, 1900
UMTS Bands:850, 900, 1700/2100, 1900, 2100
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)
Technologies:LTE (4G), HSPA+ (4G), HSDPA, HSUPA, EDGE, GPRS and GSM

Other Features

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