Here where you will be able to take a look at the preferable Samsung Galaxy A21 review to understand what are the terminologies related to Samsung Galaxy A21 specifications, in terms of battery capacity, CPU type, screen size, etc. Consequently, you will know their meanings well, and you will be able to make a suitable decision when you invest in a new mobile phone.
After announced Samsung Galaxy A21 by Samsung on 4/8/2020, this model has been released in 2020, June 26. However, this model’s status in the market is Available.
When you buy Samsung Galaxy A21, you will gain a 16 MP, f/1.8, (wide), 1/3.06″, 1.0µm, PDAF rear camera and 7 MP, f/2.2 selfie camera. it also has 32GB 3GB RAM, and 4000 mAh battery life (the more mAh value gives more strength to the battery).
with 6.5 inches, 102.0 cm2 display size.
Samsung Galaxy A21 comes with the following OS and chips:
* Android 10, One UI 2.0 OS,
* Mediatek MT6765 Helio P35 (12nm) Chipset
* Octa-core (4×2.35 GHz Cortex-A53 & 4×1.8 GHz Cortex-A53) Processor.
To understand the meanings of this smartphone’s specs, continue browsing this Samsung Galaxy A21 review.
Read Samsung Galaxy A21 Review To Know More About The Body Specs
People are often interested in the mobile phone’s body features, which prompted most mobile phone producers to use a significant part of the company’s research and budget to evolve this aspect of phones so that it suits all the aspirations of the consumer. In the following lines, you will find Samsung Galaxy A21 review, which will demonstrate the most important details related to the body of this device.
* Body Dimensions: 167.8 x 76.7 x 8.1 mm (6.61 x 3.02 x 0.32 in) which means height, width, and thickness (depth) respectively.
* Body Weight: 193 g (6.81 oz).
For smartphones, a weight between 140g to 170g is considered convenient for most people.
* Body Build: Glass front, plastic back, plastic frame.
The most popular mobile phones body types are shown here:
* Metal. Some smartphone producers use metal in the construction of the phone’s body in order to give the best protection for its inside components.
* Glass. Devices whose body is made of glass may look more appealing, but this kind is not considered robust when fulling on hard surfaces.
* Plastic. This kind is very practical, so it is the most widespread one in the manufacture of cellular phone bodies.
Samsung Galaxy A21 Review of The Available Colors
Black and white are likely the most public colors for cellular phones covers, but that hasn’t stopped companies from manufacturing plenty of other colors in order to attract more customers.
Samsung Galaxy A21 comes in the following colors: Black.
All About Display specifications in one Samsung Galaxy A21 Review
As cellular phones innovations evolve quickly, it is difficult to know any smartphone or combination of features as the best. This applies to the quality and specifications of the screen. In fact, choosing it depends on your preference and the areas in which you use cell phones. In the following lines, we will represent the primary display features of Samsung Galaxy A21
Display Type: IPS LCD – Note that you need to look for a display kind that offers more vibrant colors and actual black color.
Display Size: 6.5 inches, 102.0 cm2 – The popular standard screen size of cell phones now averages between 4.7 and 6.5 inches.
Screen To Body Ratio: (~79.3% screen-to-body ratio). It gives the percentage of how much of the front face is covered by the screen. Smartphones that have the largest screen-to-body ratio look delicate and that give them a premium look.
Display Ratio: 20:9 ratio. the Aspect ratio is the relevance between the height and width of the smartphone screen. Taller aspect ratios like 19.5:9 is coming with the most modern smartphones, and it is suitable for web browsing, and other portrait orientation apps.
Display Resolution: 720 x 1600 pixels. It is the clarity of an image video in detail and sharpness. The pixel resolution for high-definition screens is 1920 x 1080.
Display Density: (~270 ppi density). It is the number of physical pixels per inch on a screen and is measured in Pixels Per Inch (ppi).
Samsung Galaxy A21 Review In Terms of Camera Specifications
In the following lines, you will find Samsung Galaxy A21 review about the main cameras.
* Main Camera Single: 16 MP, f/1.8, (wide), 1/3.06″, 1.0µm, PDAF.
Here are explanations about some of the symbols included in the camera features:
MP (Megapixels) is the resolution of the image taken by a smartphone.
(f value) is the aperture of a lens that indicates how much light it lets in. The larger the aperture, the more light is let in; conversely, a smaller aperture lets in less light.
(mm value) This measurement is of the lens’s focal length, which affects the final image that is produced by your camera.
AutoFocus (AF) is the function of a camera to automatically focus on a subject.
* Main Camera Dual: 8 MP, f/2.2, (ultrawide), 1/4.0″, 1.12µm
* Main Camera Triple: 2 MP, f/2.4, (macro)
* Main Camera Quad: 2 MP, f/2.4, (depth)
The main camera features are as follows:
HDR, panorama, 1080p@30fps main video camera.
In the following lines, you will see Samsung Galaxy A21 review of the selfie camera:
* Selfie Camera Single: 7 MP, f/2.2
The main camera specs are:
HDR, 1080p@30fps gyro-EIS Selfie video camera.
Samsung Galaxy A21 Review of the SIM Card
A SIM (Subscriber Identity Module) is an electronic card that connects your wireless device to the mobile network so that you can make calls, send SMS messages, and use mobile internet services like 3G, 4G LTE, and 5G. For more info about 3G / 4G networks, refer to Samsung Galaxy A21 3G or Samsung Galaxy A21 4G articles You can use your smartphone without a SIM card for many things, like using the calculator, saving notes, playing games, capturing photos, and many other uses. The following three sizes are available for SIM cards: Standard (Mini), Micro, and Nano.
This phone model comes with Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by) card. For more information, refer to How to insert SIM card in Samsung Galaxy A21 article.
Here are the popular SIM card types:
* Nano-SIM. This removable SIM card size is the smallest available one, so it is the most modern one (other than eSIMs, which we’ll talk about it very soon) and it’s used by the vast majority of modern devices.
* Micro-SIM. They have a little bit larger chip, and they’re seldom been used in recent years.
* Standard SIM (Mini-SIM). It is the biggest SIM card size in use, and it’s the most rarely used.
* eSIM. It is an embedded SIM card, i.e., you can’t take it off of your mobile phone.
Samsung Galaxy A21 Review – The Main Hardware Platforms
This model has Mediatek MT6765 Helio P35 (12nm) chipset.
A chipset on a mobile phone is most usually termed as a system-on-chip (SoC). It is an integrated circuit that combines all the basic parts of a device on a single chip. The most famous kinds are Qualcomm Snapdragon, MediaTek chipsets, and Intel Atom.
Samsung Galaxy A21 has Octa-core (4×2.35 GHz Cortex-A53 & 4×1.8 GHz Cortex-A53) CPU.
The performance of the CPU will be improved by increasing the number of cores and the processing speed.
Samsung Galaxy A21 has the following GBU (Graphics Processing Unit): PowerVR GE8320.
All graphics jobs are processed and accelerated by this chip, and the faster the GPU, the more powerful the cellular phone will be.
Samsung Galaxy A21 Review of the Storage Specs and Capacity
The amount of storage that a new cellular phone provides is one of the primary decision considerations. Actually, Samsung Galaxy A21 comes with a microSDXC memory card slot, and the following internal storage: 32GB 3GB RAM
Two types of phone’s memory are available:
Internal: It is built into the phone, and can’t be increased. Nowadays, the majority of cell phones have internal memory that is at least 32GB or 64GB and a few high-end models feature 256GB or 512GB.
External: It is a removable SD card used as an alternative memory to store photos, music, videos, etc., regardless of the type of SD card slot.
Samsung Galaxy A21 Review of communication and Mobile Networks
Mobile networking refers to technology that can support voice and/or data network connections using wireless solutions. Three kinds of mobile networks are available: 3G, 4G (LTE), and 5G. All of it are working on most modern smartphones. However, 5G has been created with an extended capacity to enable next-generation user experiences, support innovative deployment models, and offer more enhanced services.
Samsung Galaxy A21 supports the following networks: 3G. For more info, refer to Samsung Galaxy A21 3G article. – 4G. For more info, refer to Samsung Galaxy A21 4G article.
Available Wireless Connections – Samsung Galaxy A21 Review
This model supports the following wireless connections:
* WLAN connection: Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot. Wireless Local Area Network uses Wi-Fi to communicate to the home or office wireless network using the local router and provides Internet access.
* Bluetooth connection: 5.0, A2DP, LE}. It is a common wireless communication protocol used to communicate two devices together over short ranges, allowing them to share data between different devices.
* GBS connection: Yes, with A-GPS, GLONASS, BDS. Global Positioning System allows mobile phones to locate any position you need.
* NFC connection: Yes (market/region dependent)}. Near Field Communication is a wireless technology that allows your mobile phone to send data to another device when they’re close together, so it’s generally used for contactless payments. For more info, refer to NFC on Samsung Galaxy A21 article.
* USB connection: USB Type-C 2.0. Universal Serial Bus is wired technology that allows users to connect two devices, such as a smartphone with a PC, to either transfer data or charge the connected device.
* Features Sensors: Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass. The sensor is a device that detects and majors the changes in the nearby environment such as ambient light and motion.
Samsung Galaxy A21 Review – The Operating System
This model comes with Android 10, One UI 2.0 operating system.
PHONE Review – The Battery Main Specifications
Nothing is more important than the smartphone’s battery, which powers these devices and keeps daily life going. In the following lines, you’ll see Samsung Galaxy A21 review of its primary battery.
* Battery Technology: Li-Po.
* Samsung Galaxy A21 comes with a non-a removable battery.
* Battery Capacity: 4000 mAh. It refers to the storage capacity a specific battery may offer. A battery with a 3100 mAh capacity rating could supply a current of 3100 mA for one hour. Higher mAh ratings for the same battery type will generally mean longer working time.
* Battery Charging: {Fast charging 15W}.
Samsung Galaxy A21 Review – The Battery Secondary Specs
Along with the primary Samsung Galaxy A21 characteristics that we just discussed, this model contains additional battery-related characteristics that differ somewhat depending on the kind of smartphone. These specifications are as follows:
* Battery Charging Original: {Fast charging 15W}.