Information about the width, i.

Information about the height, i. Estimated volume of the device, calculated from the dimensions provided by the manufacturer.

Applies for devices in the form of a rectangular parallelepiped.

Bekas microsoft lumia 640 lte dual sim x update flights

GSM Global System for Mobile Communications was developed to replace the analog cellular network 1Gtherefore it is referred to as a 2G mobile network.

Based on the GSM standard, it is deemed as a 3G mobile network standard. LTE is deemed to be the fourth generation 4G of mobile communications technology.

A further development of the technology is called LTE Advanced. There are several network technologies that enhance the performance of mobile networks mainly by increased data bandwidth.

Information about the communication technologies supported by the device and their respective uplink and downlink bandwidth.

Information about the process technology used in manufacturing the chip. The value in nanometers represents half the distance between elements that make up the CPU.

Its main function is to interpret and execute instructions contained in software applications.

Microsoft lumia 640 lte dual sim x update thor

The CPU bits are determined by the bit-size of the processor registers, address buses and data buses. Information about the set of instructions the processor can execute.

The cache memory is used by the processor in order to shorten the time needed to access data and instructions that a frequently used. The L1 level 1 cache memory has a small volume, but operates faster than the RAM and the rest cache memory levels.

If the processor does not find the data needed in L1, it continues to look for it in the L2 cache memory. In some processors the search in L1 and L2 is simultaneous.

The L2 level 2 cache memory is slower than L1, but has a larger capacity, instead, which allows it to cache more data. Just like L1, it is much faster than the system memory RAM.

A CPU core is the processor unit, which executes software instructions.

Microsoft Lumia XL LTE USB Driver Free Download – Uptodrivers

Presently, besides single-core processors, there are dual-core, quad-core, hexa-core and so on multi-core processors. They increase the performance of the device allowing the execution of multiple instructions in parallel.

The frequency of the processor describes its clock rate in cycles per second. They handle the computation of graphics in various applications.

That said, LTE speeds vary dramatically by time of day and exact location, so your speed situation could be very different depending on where you live. Windows Phone Tango Video “. Microsoft lumia 640 lte dual sim x update Simply great

Data in the RAM is lost after the device is turned off or restarted. Information about the capacity of the built-in storage of the device.

Microsoft Lumia XL LTE Dual SIM – User opinions and reviews – page 9

Sometimes one and the same model may is offered in variants with different internal storage capacity. The various types of memory cards are characterized by different sizes and capacity.

Information about the supported types of memory cards. The display resolution shows the number of pixels on the horizontal and vertical side of the screen.

The higher the resolution is, the greater the detail of the displayed content. Information about the number of pixels per centimeter ppcm or per inch ppi of the display.

Microsoft lumia 640 lte dual sim x update price

The higher the pixel density, the more detailed and clearer is the information displayed on the screen. The color depth of the display is also known as bit depth.

It shows the number of bits used for the color components of one pixel. Information about the maximum number of colors the screen can display.

Sensors vary in type and purpose. They increase the overall functionality of the device, in which they are integrated. Information about the sensor type of the camera.

Information about the dimensions of the image sensor used in the device. Usually cameras with larger sensors and less pixel density tend to provide better image quality despite the lower resolution.

Larger ones are capable of recording more light, hence, will offer better low light shooting and wider dynamic range compared to the smaller pixels.

On the other hand, smaller pixels allow for increasing the resolution while preserving the same sensor size. Crop factor is the ratio of the dimensions of a full frame camera’s sensor 36 x 24 mm, which equals the frame size of a 35 mm film and the dimensions of the image sensor of the device.

26.01.2020 – Because Lumia devices exclusively use Windows Phone, major operating system updates are often bundled with the firmware updates upon release. This copy is for your personal, non-commercial use only. A future update could help improve this. All devices in the Lumia line were smartphones including one tablet computer running Microsoft Windows software. If you are interested in using our specs commercially, check out our Phone specs database licensing page.

The number shown is the ratio between the diagonals of a full frame sensor The aperture f-stop number indicates the size of the lens diaphragm opening, which controls the amount of light reaching the image sensor.

The lower the f-stop number, the larger the diaphragm opening is, hence, the more light reaches the sensor. Usually, the f-stop number specified is the one that corresponds to the maximum possible diaphragm opening.

Focal length is the distance in millimeters from the focal point of the image sensor to the optical center of the lens. The 35 mm equivalent indicates the focal length at which a full-frame camera will achieve an angle of view that’s the same as the one of the camera of the mobile device.

Video playback – As rated by manufacturer. Microsoft lumia 640 lte dual sim x update Tech Crunch.

It is measured by multiplying the native focal length of the camera by the crop factor of the sensor. The crop factor itself can be determined as the ratio between the diagonal distances of the image sensor in the 35 mm camera and a given sensor.

The rear cameras of mobile devices use mainly a LED flash. It may arrive in a single, dual- or multi-light setup and in different arrangements.

One of the main characteristics of the cameras is their image resolution.

It states the number of pixels on the horizontal and vertical dimensions of the image, which can also be shown in megapixels that indicate the approximate number of pixels in millions.

Information about the maximum number of frames per second fps supported by the rear camera while recording video at the maximum resolution. Some of the main standard frame rates for recording and playing video are 24 fps, 25 fps, 30 fps, 60 fps.

Information about additional software and hardware features of the rear camera which improve its overall performance. Information about the number of pixels on the horizontal and vertical dimensions of the photos taken by the front camera, indicated in megapixels as well.

The loudspeaker is a device, which reproduces various sounds such as ring tones, alarms, music, voice calls, etc. Information about the type of speakers the device uses.

Some devices have the possibility to serve as Wi-Fi Hotspots by providing internet access for other nearby devices.

The technology has several versions, which improve the connection speed, range, connectivity and discoverability of the devices. Information about the Bluetooth version of the device.

Bluetooth uses various profiles and protocols related to faster exchange of data, energy saving, better device discoverability, etc.

Some of those supported by the device are listed here. Type of the USB connector used by the device.

With each following version the rate of data transfer is increased. Information about some of the most widely used connectivity technologies supported by the device.

Aperture size – The aperture of a camera is the opening through which light travels before it reaches the camera sensor. Asus ZenFone 3 Max ZC520TL Phone w/ 3GB RAM 32GB ROM Dual SIM — Grey It shows the number of bits used for the color components of one pixel.

List of some of the most common audio file formats and codecs supported standardly by the device. List of some of the most common video file formats and codecs supported standardly by the device.

The capacity of a battery shows the maximum charge, which it can store, measured in mili-Ampere hours. The battery type is determined by its structure and more specifically, by the chemicals used in it.

There are different battery types and some of the most commonly used in mobile devices are the lithium-ion Li-Ion and the lithium-ion polymer battery Li-Polymer.

Dimensions : Brand Brand name of the company that manufactures the device. Microsoft Model Model name of the device.

Dual SIM stand-by Both cards are active. Microsoft Windows Phone 8. Lumia Denim.

Suggest an edit. Huawei Honor 10i. Nokia 6. Nokia 7. Nokia 8. Nokia Lumia Realme X2. Xiaomi Redmi Note 7. Xiaomi Mi A3. Xiaomi Redmi Note 8 Pro.

Huawei Mate 20 Lite. Huawei P30 Lite. Huawei P Smart Z. Nokia 5. Nokia 4. Alcatel 3