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Estimated volume of the device, calculated from the dimensions provided by the manufacturer. Applies for devices in the form of a rectangular parallelepiped. 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 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 additional software and hardware features of the rear camera which improve its overall performance.
SM-A217F/DSN | Samsung Support UK
Information about the height, i.e. the vertical side of the device when it is used in its standard orientation. One of the main characteristics of the display is its type/technology, on which depends its performance. It’s a similar story when it comes to graphics processing. The Galaxy A21s manages to close the gap slightly, but it still lags behind the others. The lower-resolution screen does help boost performance, however, and I didn’t notice any glaring issues in less demanding games such as Stardew Valley and Gris. The SAR head rating shows the highest level of exposure to electromagnetic radiation measured when the device is held next to the ear in a talk position. In Europe, the SAR limit for hand-held mobile devices is set to 2 W/kg per 10 g of tissue. This standard is specified by the CENELEC, complies with the IEC standards and follows the ICNIRP Guidelines 1998.Display The display of a mobile device is characterized by its technology, resolution, pixel density, diagonal length, color depth, etc. Type/technology
Samsung Galaxy A21s Case, [Ultra Slim] Scratch Resistant For Samsung Galaxy A21s Case, [Ultra Slim] Scratch Resistant
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 This SAR rating shows the highest level of exposure to electromagnetic radiation measured when the device is placed at the hip level. The top SAR value for mobile devices used in Europe is limited to 2 W/kg per 10 g of tissue. This standard follows the ICNIRP Guidelines 1998 as well as the IEC standards and is determined by the CENELEC. 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.In India, the applicable limit for the head SAR is 1.6 W/kg per 1 g of tissue. Locally, the SAR levels are measured and certified by the Telecom Engineering Centre (TEC) or an internationally accredited lab. The Galaxy A21s has a 6.5" PLS TFT LCD Infinity O display with HD+ 720 x 1600 resolution, 20:9 aspect ratio, ~270 ppi density. The phone itself measures 163.7mm (6.44in) x 75.3mm (2.96in) x 8.9mm (0.35in) and weighs 192g (6.8oz). The phone is powered by Exynos 850 (8 nm) SoC ( System on a chip) with a octa-core (4x2.0 GHz Cortex-A55 & 4x2.0 GHz Cortex-A55) CPU and a Mali-G52 GPU. The phone comes with either 4GB or 6GB RAM as well as 64GB or 128GB internal storage, which can be expanded via a microSD card of up to 512GB. It comes with a non-removable 5000mAh lithium polymer battery which charges with a 15W Fast Charger. It also has a rear-mounted fingerprint sensor. [1] Cameras [ edit ] 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. Information about additional software and hardware features of the front camera which improve its overall performance. Specific Absorption Rate (SAR) The SAR rating shows the amount of electromagnetic radiation absorbed by the human body when using a mobile device, expressed in W/kg. Head SAR (EU)
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