Information about the width, i.e. the horizontal side of the device when it is used in its standard orientation. Networks A mobile (cellular) network is a radio system, which allows a large number of mobile devices to communicate with each other. GSM

Information about the manufacturer and model of the image sensor used by this camera of the device. This is a graded product. A1 products are "as new" but have been box opened. All A1 products will be fully bubble-wrapped for transportation.Battery time is based on our own laboratory measurements, and may vary depending on factors such as device settings, usage patterns and operating conditions. One of the main characteristics of the display is its type/technology, on which depends its performance. 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.

UMTS stands for Universal Mobile Telecommunications System. Based on the GSM standard, it is deemed as a 3G mobile network standard. It has been developed by the 3GPP and its major advantage is the provision of greater bandwidth and spectral efficiency, due to the W-CDMA technology. Display The display of a mobile device is characterized by its technology, resolution, pixel density, diagonal length, color depth, etc. Type/technologyCPU is the Central Processing Unit or the processor of a mobile device. Its main function is to interpret and execute instructions contained in software applications. Speeds indicate the performance of different processor cores. Core numbers vary between processors. The instruction set architecture (ISA) is a set of commands used by the software to manage the CPU's work. Information about the set of instructions the processor can execute.

years from first global launch for S20 and S21 Series, Note20 Series, XCover 5, Tab Active3. 4 years for all other devices. Design Information about the dimensions and weight of the device, shown in different measurement units. Body materials, available colors, certifications. Width RAM (Random-Access Memory) is used by the operating system and all installed applications. Data in the RAM is lost after the device is turned off or restarted. 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. A CPU core is the processor unit, which executes software instructions. 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.

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System on Chip (SoC) A system on a chip (SoC) includes into a single chip some of the main hardware components of the mobile device. SoC Information about additional software and hardware features of the rear camera which improve its overall performance. 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.

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