Do you want to know more about the Microsoft Lumia 640 XL Dual SIM? We have already selected all the specifications for you and listed below.
The Microsoft Lumia 640 XL Dual SIM was launched in April 2015. The smartphone comes with a 5,7 inch screen with a resolution of 720 x 1280 pixels.
This Microsoft is powered by a Qualcomm Snapdragon 400 MSM8926 chip with a 1,2 GHz Quad-Core processor. This chipset has a quad-core processor with 1024 MB RAM. With a thickness of 9 millimeters, the device is not too thick. This phone weighs 171 grams.
The Lumia 640 XL Dual SIM has a 13 megapixel camera, it means that the camera is capable of capturing detailed images without the added cost and complexity of a higher megapixel count. This can be useful if you want to take high-resolution photos that you can zoom in on or crop without losing too much detail, but you don't need the very highest level of image quality. In general, having this amount of megapixels can provide a good balance of image quality and affordability. You can also use the 5 megapixel selfie camera for video calling, for example.
Pros
- 13 megapixel camera
- Quad core processor
- Not too thick with 9 millimeters
- One of the newest operating systems: Windows Phone 8.1
- HSDPA, LTE support for super fast internet
- Voice over LTE (VoLTE) and / or Voice over WiFi (VoWiFi) support (depending on the provider)
- Dual SIM
Negatives
Call & data functions
The Microsoft Lumia 640 XL Dual SIM supports frequencies from international networks with which you can use the fast LTE network. The speed of LTE is perfect for intensive use of internet on the road where the speed does not differ much from home. Please note that it is very fast and you do not take out a small data plan, because the data is used up before you realize it. You can also connect via WiFi at home or at the office.
Dual-sim
A dual-SIM phone is a type of mobile device that has the ability to use two separate SIM cards. This allows the phone to be connected to two different mobile networks at the same time, which can be useful for a variety of reasons. For example, a dual-SIM phone can be used to have two different phone numbers on the same device, or to have a separate work and personal phone number. Dual-SIM phones can also be useful for people who travel frequently and need to use local SIM cards in different countries. Some dual-SIM phones have a physical slot for the second SIM card, while others use a virtual or eSIM.
Memory and connection options
The Microsoft Lumia 640 XL Dual SIM has 1024 MB of RAM (1 GB) and 8 GB internal storage . Expandable memory: microSD up to 128 GB. There is a USB connection, you can use this to exchange data with your laptop or to charge your device. Connecting Bluetooth headsets or car kits is no problem.
Do you take a lot of photos and videos? Then the storage of 8 GB is less suitable. You may need to clean your phone after a while. Furthermore, there are of course possibilities to expand storage in the cloud, such as with Google Drive or Dropbox.
Screen & operation
The phone is operated via the large 5,7 inch touchscreen.The Microsoft Lumia 640 XL Dual SIM can display up to a 16 millions colors. This screen has a resolution of 720 x 1280 pixels. With 258 pixels per inch, this HD screen is sharp and easy to read. It also takes less effort to look at it for a long time.
Operating system
Windows Phone 8.1 is an update of Microsoft's Windows phone 8 mobile platform. The core of Windows Phone 8 is based on the stable previous versions. It means that this Windows Phone has a good foundation with regard to common networks, security, media, web browser technology and a common file system. This translates into better performance, more functions and new possibilities for app developers and hardware manufacturers to innovate faster. 
