It is a mobile phone that has a display, which is usually an LCD / liquid crystal display, it also contains built-in personal information management software, such as an electronic calendar, address book, which is usually available in a PDA, and the smartphone owns An operating system that enables the ability to install other computer programs to enable browsing the web, e-mail, music, video, and other applications.
Smartphone features
Manage individual personal information such as the calendar, daily to-do list, and personal notes.
The ability to connect it with other devices like desktop computers.
The ability to exchange checks and delete receipts.
The ability to pay bills and Store credit card information.
The ability to create a connection through Wi-Fi networks.
Smartphone operating systems
The smartphone includes an operating system as in the desktop for a computer or laptop, examples of Windows or macOS operating systems, also the most common system (iOS) created by (Apple), and the Android system Created by Google, in addition to the BlackBerry created by Research In Motion, and the Windows phone created by Microsoft.
Smartphone functions
Telephony
The main function of smartphone devices is to provide outgoing and incoming phone calls, in addition to that smartest phones provide the ability to choose the speakerphone for the call, as well as enjoy the service of leaving a message when not answering calls.
Photography
Smartphones include a high-definition digital camera that helps in obtaining digital photos, through the smartphone, an individual can directly share these images using the phone with others on the social media or by using the text messages, it also provides the ability to record video clips.
Text messages
The smartphone provides the ability to send and receive short text messages, as the smartphone has a keyboard that is displayed on the phone screen when needed, designed as a computer keyboard so that it is preferred over the traditional phone's keyboard.
Internet connection
The smartphone provides internet browsing through web browser programs, just like computers, this process is done by receiving Wi-Fi networks or receiving cell towers, Also, the individual can browse the world through web networks.
Comparison between Samsung galaxy m21 and Realme 6
The m21 was officially announced on March 18, 2020, while the Realme 6 was officially announced on March 5, 2020. The m21 has a 6.4-inch Super AMOLED capacitive touchscreen with 16M colors and a resolution of 1080 * 2340 pixels, while the Realme 6 consists of a screen 6.5-inch IPS LCD with 16M colors and resolution of 1080 * 2400 pixels.
The two phones differ from the processor also in the Samsung Galaxy M21 consists of an eight-core processor (4 * 2.3 GHz + 4 * 1.7 GHz) and 6 GB RAM with internal memory 128 GB, while Realme 6 consists of an eight-core processor (2 * 2.05 GHz + 6 * 2.0 GHz) and 4 GB RAM with 64 GB internal memory.
The two phones can be distinguished by the camera, too, where The Samsung Galaxy M21 consists of a 48 + 8 + 5-megapixel rear camera (48-megapixel lens f / 2.0 aperture of 0.8μm), (8-megapixel lens "Ultra Wide 123" Degree "Ultra Wide f / 2.2 aperture (1.12μm pixel size)), (5MP lens with f / 2.2 lens aperture for isolation) and a 20MP front camera with f / 2.0 lens slot, while Realme 6 consists of a back camera Quad lens 64 + 8 + 2 + 2 megapixels (64 megapixel Samsung GW1 lens with f / 1.8 lens and 0.8-megapixel size), (8 megapixels “ultrawide” lens for shooting ultra-wide frames at a 119-degree imaging angle and PV F / 2.3 lens (f / 2.4 first lens for B / w isolation feature with f / 2.4 aperture)) and (f / 2.4-second lens, a macro camera with f / 2.4 lens aperture for the close-up shooting of small objects) and 16MP front camera with f / 2.0 lens slot.
Mobile price in Qatar
Prices for phones in Qatar range greatly, as the price depends on the specifications and features of the phone itself, where Samsung phones start with 303 QR for the Samsung galaxy a2 core phone, and the Samsung phone can reach 5642 QR for the Samsung galaxy z flip phone, while iPhone prices range between 472 QR for iPhone 4 and can reach 4280 QR for iPhone 11 pro max, and all of these smartphones and their details on the OpenSooq application.
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