Microsoft Lumia 640 XL Dual SIM

OS: Microsoft Windows Phone 8.1, upgradable to Microsoft Windows 10

CPU: Quad-core 1.2 GHz Cortex-A7

Display: 5.7" inc

Camera: 13 MP, Single

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Microsoft Lumia 640 XL Dual SIM smartphone runs on Microsoft Windows Phone 8.1, upgradable to Microsoft Windows 10 operating system. The phone is powered by Quad-core 1.2 GHz Cortex-A7 processor. It has 8 GB, 1 GB RAM. Internal storage options which can be extended with the help of microSD, up to 256 GB (dedicated slot). The smartphone has a IPS LCD providing, Screen-to-Body Ratio of 69.1%. The smartphone is fueled with a 3000 mAh, Removable Li-Ion. The main camera of the smartphone consists of a 13 MP, Single. The sensors include Accelerometer, proximity, compass, sensor core. Connectivity features in the smartphone include Bluetooth, A-GPS, GLONASS, BDS, Wi-Fi, NFC, 3.5 mm Jack and more. The Microsoft Lumia 640 XL Dual SIM are available in various colors such as Matte cyan, Orange, Black, Matte white, Glossy white. It measures 157.9 x 81.5 x 9 mm and weighs 171 g.

Hardware and OS Microsoft Lumia 640 XL Dual SIM
Operating system:	Microsoft Windows Phone 8.1, upgradable to Microsoft Windows 10
Processor:	Quad-core 1.2 GHz Cortex-A7
Chipset:	Qualcomm MSM8226 Snapdragon 400 (28 nm)
GPU:	Adreno 305
Internal memory:	8 GB, 1 GB RAM
External memory:	microSD, up to 256 GB (dedicated slot)
Display Microsoft Lumia 640 XL Dual SIM
Type:	IPS LCD
Size:	5.7" inc
Resolution:	720 x 1280 px
Protection:	Corning Gorilla Glass 3
Touchscreen:	capacitive touchscreen
Screen-to-Body Ratio:	69.1%
Display area:	88.9 cm²
Display aspect ratio:	16:9 (height:width)
Pixel Density:	259 PPI
Colors:	16M
Other:	ClearBlack display
Connectivity Microsoft Lumia 640 XL Dual SIM
2G Network:	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
Wi-Fi:	Wi-Fi 802.11 b/g/n, DLNA, hotspot
Network:	GSM / HSPA
SIM card:	Dual SIM (Micro-SIM, dual stand-by)
Bluetooth:	4.0, A2DP
Edge:	Yes
GPRS:	Yes
GPS:	Yes, with A-GPS, GLONASS, BDS
NFC:	Yes
Speed:	HSPA 42.2/5.76 Mbps
USB:	microUSB 2.0
Camera Microsoft Lumia 640 XL Dual SIM
Main camera:	13 MP, Single
Specs:	13 MP, f/2.0, 28mm (wide), 1/3', AF
Features:	Zeiss optics, LED flash
Video:	1080p@30fps
Selfie camera:	5 MP, Single
Specs:	5 MP
Video:	1080p@30fps
Multimedia Microsoft Lumia 640 XL Dual SIM
3.5 mm Jack:	Yes
Radio:	FM radio
Design Microsoft Lumia 640 XL Dual SIM
Colors:	Matte cyan, Orange, Black, Matte white, Glossy white
Dimensions:	157.9 x 81.5 x 9 mm
Weight:	171 g
Battery Microsoft Lumia 640 XL Dual SIM
Battery capacity:	3000 mAh, Removable Li-Ion
Battery life:	Stand by time- Up to 936 h (2G) / Up to 936 h (3G) Talking time- Up to 31 h 20 min (2G) / Up to 23 h 40 min (3G)
Other Microsoft Lumia 640 XL Dual SIM
Release date:	2015, March
Sensors:	Accelerometer, proximity, compass, sensor core

Microsoft Lumia 640 XL Dual SIM Overview

The Microsoft Lumia 640 XL Dual SIM is a mid-range smartphone that was released in March 2015. It runs on Microsoft Windows Phone 8.1 operating system, which is upgradable to Microsoft Windows 10. The phone is powered by a Quad-core 1.2 GHz Cortex-A7 processor along with Qualcomm MSM8226 Snapdragon 400 chipset and Adreno 305 GPU.

The Lumia 640 XL Dual SIM comes with 8 GB of internal storage and 1 GB of RAM, which can be expanded up to 256 GB via a microSD card. The device features a large 5.7-inch IPS LCD display with a resolution of 720 x 1280 pixels and Corning Gorilla Glass 3 protection. The screen-to-body ratio is 69.1% and the pixel density is 259 PPI.

In terms of connectivity, the phone supports Wi-Fi 802.11 b/g/n, Bluetooth 4.0, GPS, NFC, and microUSB 2.0. It also has dual SIM capabilities, allowing users to use two SIM cards simultaneously. The main camera on the Lumia 640 XL Dual SIM is a 13 MP shooter with Zeiss optics and LED flash, while the front camera is a 5 MP sensor.

Some pros of the Microsoft Lumia 640 XL Dual SIM include its large display, good camera quality, expandable storage, and long battery life. On the other hand, some cons of the device are its outdated operating system, limited internal storage, and average performance due to the older Snapdragon 400 chipset.