Samsung Galaxy A21: A Closer Look at Specs and Cameras
Samsung announced the launch of the Galaxy A21 smartphone in 2020. The manufacturer is offering the Samsung Galaxy A21 phone with 6.5 inch display, Mediatek Helio P35 MT6765 chipset, 3 GB of RAM and 32 GB of internal storage.
The Samsung Galaxy A21 series was launched with Android OS v10.0 pre-installed, but it is upgradable to newer versions of OS as they become available. The Galaxy A21 comes with a high-quality AMOLED display. AMOLED displays offer several advantages that contribute to their popularity in smartphones and other devices. The multi-camera setup on the Galaxy A21 offers versatility, allowing you to capture a wide range of subjects and scenes with different perspectives. With multiple cameras, you can capture the same scene from different angles or focal lengths simultaneously. The front camera of Galaxy A21 gives you the freedom to capture moments with yourself or your friends and family easily.
Samsung Galaxy A21 pictures
The specifications below are based on the official data published by the manufacturer, but we also take user reviews into consideration. If you found an error or something lacking in the specifications above for the Samsung Galaxy A21, then don’t hesitate and signal the problem to us.
Samsung Galaxy A21 specifications
|SIM type||Nano SIM|
A Nano SIM is a small (12.3 x 8.8 x 0.67 mm) chipcard that is used in smartphones as a subscriber identity module (SIM) for connecting to a cellular network.
|OS version||Android OS v10.0|
|SoC||Mediatek Helio P35 MT6765|
|CPU||Octa-core, Quad-core 2.3 GHz Cortex-A53, Quad-core 1.8 GHz Cortex-A53|
The Samsung Galaxy A21 comes with Android OS v10.0 out of the box, but it is upgradable to the next OS. Android is based on the Linux kernel and includes a user interface, middleware, and a range of pre-installed applications. The Galaxy A21 utilizes Mediatek Helio P35 MT6765 chipset. This octa-core CPU is managed by an advanced scheduler that allocates tasks to the CPU for speed and power efficiency in real time.
The Galaxy A21 utilizes PowerVR GE8320 GPU. A GPU (Graphics Processing Unit) is a specialized chip that is primarily designed to handle and accelerate the processing of graphics and visual data. It is responsible for rendering images, videos, and animations on a smartphone screen. PowerVR GPUs are a popular choice for mobile device manufacturers, and are known for their power efficiency and strong performance.
|Display type||Super AMOLED|
|Screen size||6.5 inch|
|Resolution||720 x 1600 px|
The Galaxy A21 features a 6.5 inch AMOLED display. AMOLED displays enable an Always-On Display feature, where a portion of the screen remains active to display information such as time, date, notifications, or custom widgets, even when the rest of the display is off. The 6.5 inch display should be large enough to provide a comfortable viewing experience for your needs, whether it's reading text, browsing the web, or watching videos.
The size of the screen is measured diagonally, from corner to corner. A larger screen typically requires more power to illuminate, which can impact battery life. The display of Samsung Galaxy A21 is multitouch capable. Multitouch technology enables the device's touchscreen to detect and interpret multiple touch points on the screen simultaneously.
|Internal storage||32 GB|
|Memory card slot||microSD|
With 3 GB of RAM, a smartphone can run multiple apps simultaneously without experiencing any significant lag or slow performance. The amount of RAM needed for optimal performance depends on factors such as the operating system, the apps and services you use, and how you use your device. 32 GB of internal storage is generally considered to be the minimum amount of storage you would want in a smartphone. The Galaxy A21 has 32 GB of internal storage. The internal storage of the Galaxy A21 (32 GB) can be expanded with a compatible microSD card. MicroSD cards are popular because they're small, lightweight, and easy to use.
|Main camera||16 + 8 + 2 + 2 MP, 4608 x 3456 px, autofocus|
|Selfie camera||13 MP|
The multi-camera setup of Galaxy A21 allows you to adapt to different photography situations and achieve various perspectives and compositions. The main camera of the Galaxy A21 is equipped with autofocus. An autofocus (or AF) optical system uses a sensor, a control system and a motor to focus on an automatically or manually selected point or area. Very few Android cameras come without autofocus. Galaxy A21 is equipped with a basic camera setup, and it does not have any advanced features. Basic camera setups are designed to fulfill the needs of users who prioritize affordability and basic photography requirements.
|GSM 2G bands||850 / 900 / 1800 / 1900|
|Network coverage||2G / 3G / 4G|
|Wi-Fi||Wi-Fi 802.11 b/g/n|
|Headphone||3.5 mm jack|
The Samsung Galaxy A21 supports 4G/LTE networks. 4G networks are widely used around the world and have become the standard for mobile networks in many countries. To connect to a Wi-Fi network on the Samsung Galaxy A21, you simply need to go to the Wi-Fi settings on the device, select the network you want to connect to, and enter the password. The Galaxy A21 supports the latest Bluetooth standards, which offers faster data transfer speeds, better range, and improved reliability compared to previous versions of Bluetooth.
The Galaxy A21 has a GPS receiver. GPS allows smartphones to determine their precise location and provide accurate navigation and mapping services. This includes turn-by-turn directions, real-time traffic updates, points of interest, and alternative routes. The Galaxy A21 has a built-in NFC chip, which allows it to support various NFC applications and services such as contactless payments, data transfer, and access control.
The Galaxy A21 phone has built-in FM radio. During emergencies or natural disasters when cellular networks may be congested or disrupted, FM radio can provide a reliable source of information and emergency alerts. The Galaxy A21 has an USB Type-C port. Type-C is a small, reversible connector that can be plugged in to a device in either orientation, making it more convenient to use than older USB connectors that only worked when plugged in a certain way. The Galaxy A21 smartphone has a 3.5 mm headphone jack. A 3.5 mm headphone jack is a small round port, that allows you to connect wired headphones or earphones to the device.
|Type||Li-Po 4000 mAh, non-removable|
The Li-Po 4000 mAh, non-removable battery gives the smartphone a good battery backup. The lithium polymer (Li-Po) battery is a thin, light-weight, rechargeable battery. No periodic discharge is needed and charging can be done at random. The battery of Galaxy A21 isn't removable without voiding the warranty.
|Sensors||accelerometer, compass, fingerprint, gyroscope, hall, light, proximity|
|Specials||Dual SIM, Fast charging|
Smartphones today come with a wealth of sensors to facilitate a better user experience. The Samsung Galaxy A21 smartphone has an accelerometer. The presence of an accelerometer in smartphones enables a range of interactive and intuitive functionalities that enhance the user experience and enable innovative applications. The Galaxy A21 phone has a fingerprint scanner. This sensor identifies and authenticates the fingerprints of an individual in order to grant or deny access to a smartphone.
This Samsung phones come with proximity sensor. This proximity sensor detects how close the phone is to an outside object, such as your ear. The Galaxy A21 phone comes with a compass sensor. A compass sensor is a device that provides accurate directions in relation to the earth's North and South magnetic poles. The ambient light sensor detects the level of ambient light in the surrounding environment. The main purpose of a light sensor in a smartphone is to automatically adjust the brightness of the device's display.
The Dual SIM capability of Samsung Galaxy A21 phone is ideal for businesses wishing to provide staff with a mobile device that can offer separate numbers and bills for both personal and business use. The Galaxy A21 supports fast charging. With fast charging, you can get a significant amount of battery life in just a few minutes of charging, which is especially useful if you need to use your phone but don't have much time to wait for it to charge.
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