Microsoft Lumia 640 XL LTE 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 LTE 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 LTE 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 LTE 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 LTE 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 LTE Dual SIM
2G Network:	GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
3G Network:	HSDPA 850 / 900 / 1700 / 1900 / 2100
4G Network:	LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 20(800), 28(700), 38(2600), 40(2300)
Wi-Fi:	Wi-Fi 802.11 b/g/n, DLNA, hotspot
Network:	GSM / HSPA / LTE
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, LTE Cat4 150/50 Mbps
USB:	microUSB 2.0
Camera Microsoft Lumia 640 XL LTE 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 LTE Dual SIM
3.5 mm Jack:	Yes
Radio:	FM radio
Design Microsoft Lumia 640 XL LTE 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 LTE 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 LTE Dual SIM
Release date:	2015, March
Sensors:	Accelerometer, proximity, compass, sensor core

Microsoft Lumia 640 XL LTE Dual SIM Overview

The Microsoft Lumia 640 XL LTE Dual SIM is a mid-range smartphone that offers a decent set of features at an affordable price point. Running on the Microsoft Windows Phone 8.1 operating system, this device is upgradable to Windows 10, ensuring a smooth user experience with access to the latest software updates.

Powered by a quad-core 1.2 GHz Cortex-A7 processor and Qualcomm MSM8226 Snapdragon 400 chipset, the Lumia 640 XL delivers reliable performance for everyday tasks. The Adreno 305 GPU ensures smooth graphics for gaming and multimedia applications.

With 8GB of internal storage and 1GB of RAM, users have enough space to store their files and multitask efficiently. The microSD card slot allows for further expansion of storage up to 256GB.

The 5.7-inch IPS LCD display offers a crisp resolution of 720 x 1280 pixels with Corning Gorilla Glass 3 protection. The ClearBlack display technology enhances visibility in various lighting conditions.

The 13MP main camera with Zeiss optics and LED flash captures detailed photos, while the 5MP front camera is suitable for selfies and video calls. The device supports 1080p video recording at 30fps.

Connectivity options include Wi-Fi, Bluetooth 4.0, NFC, GPS, and FM radio. The dual SIM capability provides flexibility for users who need to manage multiple phone numbers.

Pros:
- Large display with good resolution
- Expandable storage
- Good camera performance
- Dual SIM support
- Removable battery

Cons:
- Limited internal storage
- Older processor and chipset
- Average battery life compared to newer models
- Limited app selection on Windows platform