Samsung Galaxy A21s
Specs
General
| Device Type | Smart Phone |
| Model | SM-A217F, SM-A217F/DS, SM-A217F/DSN, SM-A217M, SM-A217M/DS, SM-A217N |
| Announced | 15 May, 2020 |
| Released | 20 June, 2020 |
| Status | Available |
Design
| Dimensions | 163.7 x 75.3 x 8.9 mm |
| Weight | 192 g |
| Protection | Glass front, plastic frame, plastic back |
| Colors | Black, White, Blue, Red |
Display
| Refresh Rate | 60 Hz |
| Display Type Display Technology => A number of display technologies and types used in mobile phones => TFT (Thin Film Transistor), IPS (In-Place Switching), OLED (Organic Light Emitting Diode), AMOLED (Active-Matrix Organic Light-Emitting Diode), Super AMOLED (an even advanced version of AMOLED), Resistive Touchscreen (Resistive touchscreens contain two layer of conductive material with a very small gap between them which acts as a resistance), Capacitive Touchsceen (Capacitive touchscreen technology consists of a layer of glass coated with a transparent conductor) | PLS TFT LCD |
| Size | 6.5 inches (16.51 cm) |
| Resolution | 720x1600 px (HD+) |
| Display Colors Display Colors is refers to the number of different shades of colors that the screen is capable of displaying => 64K colors, 256K colors and 16 million colors, Obviously 16M is highest available range of colors and better than others. | 16M colors |
| Pixel Density Pixel Density (PPI) is refers to the concentration of pixels on a particular display, measured in pixels per inch (ppi). Pixel density is calculated by dividing the diagonal pixel resolution of a display by its diagonal size, higher pixel density better display quality. | 270 ppi |
| Touch Screen | Yes, Capacitive Touchscreen, Multi-touch |
| Display Protection Display Protection => Gorilla Glass is a special alkali-aluminosilicate glass shield with exceptional damage resistance that helps protect mobile displays from scratches, drops, and bumps of everyday use, It is always better to go for a smartphone with Gorilla Glass for that added protection and peace of mind. | Glass front, plastic frame, plastic back |
| Features | Active noise cancellation with dedicated mic, ANT+ support |
Camera
| Front Camera | 13 MP, f/2.2, (wide), 1/3.1 |
| Camera Setup | Quad |
| Main Camera Camera is able to capture photographs and usually videos, The most important characteristics of a camera are the resolution (measured in megapixels), lens focus type (fixed or automatic), higher megapixel cameras are known to capture higher quality photos, but not always a good measurement of the photos quality. |
48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 123˚ (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) |
| Image | 8000 x 6000 Pixels |
| Video | 1920x1080 @ 30 fps |
| Camera Features | Geo-tagging, touch focus, face detection, panorama, HDR, Video (1080p@30fps) |
| Flash Flash Light => There is commonly two types of flash lights are used in camera mobile phones, LED Flash (LED flash offers lower power consumption with drive circuitry that takes up very little room, LEDs can be strobed faster than any other light source), Xenon Flash (xenon flash produces an extremely intense full-spectrum white light for a very short duration) | LED flash |
Hardware
| Operating System OS => Every computer system run on a base software called Operating System (OS). Operating System controls all basic operations of the computer (such as smartphone, PDAs, tablet computers and other handheld devices). The Operating System allows the user to install and run third party applications (apps), apps are used to add new functionality to the device. | Android 10 |
| Chipset Chipset is a group of integrated circuits designed to perform one or a more dedicated functions, often with real time computing constraints, Popular smartphones are equipped with more advanced embedded chipsets that can do many different tasks depending on their programming. | Samsung Exynos 8 Octa 850 |
| CPU CPU (Central Processing Unit) mostly known as processors, CPU processes instructions in order to carry out certain functions that make your device operate properly. Processors are often described as the brain of computers, smartphones and tablets, Smartphones and tablets rely on processors to carry out their every task, Processors are an incredibly important factor in selecting any type of computing device, including your smartphone. | Octa core (2 GHz, Quad core, Cortex A55 + 2 GHz, Quad core, Cortex A55) |
| Architecture | 64 bit |
| Fabrication | 8 nm |
| GPU GPU (Graphics Processing Unit) is a single-chip processor designed to rapidly manipulate and alter memory to accelerate the creation of images in a frame buffer intended for output to a display, This includes things such as lighting effects, object transformations, and 3D motion. | Mali-G52 MP1 |
| RAM (Memory) RAM (Random Access Memory) is a type of computer memory that can be accessed randomly, any byte of memory can be accessed without touching the preceding bytes that allows information to be stored and accessed quickly from random locations. RAM is the most common type of memory found in computer systems, smartphones, tablets and other electronic devices. | 4 GB |
| Internal Storage Internal Storage is a data storage space (flash memory) mostly used in smartphones, tablets and other electronic devices where operating system, apps, music, photos, videos, files and other user data Is stored. | 64 GB |
| Card Slot Memory Card Slot is a special slot for inserting a memory card. Memory cards allow you to expand the phone's built-in memory, A memory card (sometimes called a flash memory card or a storage card) is a small storage medium used to store data such as text, pictures, audio, and video, for use on small, portable or remote computing devices such as mobile phones, mp3 players, digital cameras. | |
| Sensors Sensors are electronic components that detects and responds to some type of input from the physical environment. The specific input could be light, heat, motion, moisture, pressure and location, The output is generally a signal that is converted to use in computing systems, a location sensor, such as a GPS receiver is able to detect current location of your electronic device. | Accelerometer, Fingerprint (rear mounted), Gyro, Proximity |
Network
| SIM TYPE SIM (Subscriber Identity Module) is a small card that contains mobile network subscriber's account information. This allows the phone using the card to attach to a mobile network. The SIM card is most commonly associated with GSM and UMTS mobile networks. Moving a SIM card from one phone to another allows a subscriber to switch mobile phones without having to contact their mobile network carrier. SIM cards can also be used by a phone to store limited amounts of data, such as phone numbers and text messages. | Nano SIM |
| SIM Technology | Dual Sim, Dual Standby |
| 2G Network | GSM 850 / 900 / 1800 / 1900 |
| 3G Network | HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network | LTE |
Multimedia
| FM Radio | |
| Stereo Speakers | NO |
| Loudspeaker | YES |
| Audio Jack | 3.5mm Audio Jack |
Connectivity
| Wi-fi Wi-Fi is a popular wireless networking technology using radio waves to provide high-speed network connections that allows devices to communicate without cords or cables, Wi-Fi is increasingly becoming the preferred mode of internet connectivity all over the world. | Yes, Wi-Fi 5 (802.11 b/g/n/ac) 5GHz |
| Bluetooth Bluetooth is a wireless communications technology for exchanging data between mobile phones, headsets, computers and other network devices over short distances without wires, Bluetooth technology was primarily designed to support simple wireless networking of personal consumer devices. | Yes, v5.0 |
| GPS GPS The Global Positioning System is a satellite-based radio navigation system, GPS permits users to determine their position, velocity and the time 24 hours a day, in all weather, anywhere in the world, In order to locate your position, your device or GPS receiver must have a clear view of the sky. | Yes + A-GPS support & Glonass, BDS, GALILEO |
| USB | 2.0, Type-C 1.0 reversible connector |
| EDGE EDGE (Enhanced Data GSM Environment) is a wireless network technology generally considered the next step in the 2G network offers data transfer rates up to four times faster than ordinary GSM networks, Generally, EDGE is used for the purpose of wireless data transfer, such as sharing pictures and videos or browsing the Internet via a mobile phone connection. | |
| GPRS GPRS (General Packet Radio Service) is a packet oriented mobile data service on the 2G and 3G cellular communication system's global system for mobile communications (GSM), Generally, GPRS is used for the purpose of wireless data transfer, such as sharing pictures and videos or browsing the Internet via a mobile phone connection. | |
| Speed | 3G (HSPA 42.2/5.76 Mbps), LTE-A |
| Wi-fi Hotspot | |
| NFC NFC (Near field communication) is a set of standards for smartphones and similar devices to establish peer-to-peer radio communications with each other by touching them together or bringing them into proximity, usually no more than a few inches. |
Features
| Messaging | SMS(threaded view), MMS, Email, Push Mail, IM |
| Web Browser Web Browser => a web browser is a software application used to locate, retrieve and display content on the World Wide Web, including Web pages, images, video and other files, The primary function of a web browser is to render HTML, the code used to design or markup webpages. | HTML5 |
| Games | Built-in + Downloadable |
| Torch |
Battery
| Battery Type Battery Type => Cell phones run on various kinds of batteries depending on the manufacturer, phone size or shape and features. There are basically four types of cell phone batteries => Lithium Polymer, Lithium Ion, Nickel Metal Hydride and Nickel Cadmium. | Li-Ion (Lithium Ion) |
| Capacity Battery Capacity is a measure (typically in Amp-hr) of the charge stored by the battery, and is determined by the mass of active material contained in the battery. The battery capacity represents the maximum amount of energy that can be extracted from the battery under certain conditions. | 5000 mAh |
| Placement | Non-removable |
| Wireless Charging Wireless Charging (Inductive Charging) uses an electromagnetic field to transfer energy between two objects. This is usually done with a charging station. Energy is sent through an inductive coupling to an electrical device, which can then use that energy to charge batteries or run the device. | Yes |
| Talk Time Talk Time is the longest time that a single battery charge will last when you are constantly talking on the phone under perfect conditions, Ambient temperature and highly dependent on the cellular network environment such as the distance to the closest cell network tower. | Up to 54 Hours(4G) |
| Extra | Fast battery charging 15W |
Samsung Galaxy A21s Detailed Review
Introduction: The Samsung Galaxy A21s is a budget-friendly smartphone launched in June 2020. It is part of Samsung’s A-series, designed to offer a balanced mix of features at an affordable price. The Galaxy A21s is aimed at users who need a reliable device with a large display, decent performance, and a versatile camera setup. This review provides an in-depth look at its design, display, performance, camera quality, battery life, software, and overall user experience, along with a summary of its pros and cons.
Specifications at a Glance
- Display: 6.5-inch PLS TFT, 720 x 1600 pixels (HD+)
- Processor: Exynos 850 (Octa-core, 8×2.0 GHz Cortex-A55)
- RAM: 3 GB / 4 GB
- Storage: 32 GB / 64 GB (expandable via microSD card up to 512 GB)
- Rear Cameras: 48 MP (f/2.0) main, 8 MP (f/2.2) ultrawide, 2 MP (f/2.4) macro, 2 MP (f/2.4) depth sensor
- Front Camera: 13 MP (f/2.2)
- Battery: 5,000 mAh
- Operating System: Android 10 with One UI 2.0
- Dimensions: 163.6 x 75.3 x 8.9 mm
- Weight: 192 grams
- Connectivity: 4G LTE, Wi-Fi 802.11 b/g/n, Bluetooth 5.0, USB Type-C, 3.5mm headphone jack
Design and Build Quality
Aesthetics:
- Modern Design: The Galaxy A21s features a modern design with a glossy plastic back that has a gradient finish, giving it a stylish look.
- Color Options: Available in Black, White, Blue, and Red, offering a variety of choices to suit personal preferences.
- Infinity-O Display: The front of the device has an Infinity-O display with a punch-hole cutout for the selfie camera, contributing to a contemporary and immersive appearance.
Build Quality:
- Plastic Construction: The phone’s plastic build is standard for budget smartphones, providing durability but lacking the premium feel of glass or metal.
- Comfortable Grip: The rounded edges and slim profile make the phone comfortable to hold and use, despite its large display.
Overall, the Galaxy A21s has a modern and attractive design with a plastic build that is both functional and comfortable to use, though it doesn’t have the premium feel of more expensive materials.
Display
Specifications:
- Size: 6.5 inches
- Resolution: 720 x 1600 pixels (HD+)
- Technology: PLS TFT
- Aspect Ratio: 20:9
- Pixel Density: ~270 ppi
Performance:
- Large Screen: The 6.5-inch display provides ample space for media consumption, browsing, and gaming.
- HD+ Resolution: The HD+ resolution is sufficient for general use but lacks the sharpness of Full HD screens, which can be noticeable when viewing detailed content.
- Color Accuracy: The PLS TFT panel delivers decent color reproduction, though it doesn’t match the vibrancy and contrast of AMOLED displays.
- Brightness Levels: The display performs reasonably well in various lighting conditions, though it may struggle in direct sunlight.
In summary, the Galaxy A21s offers a large display with decent color reproduction and brightness, making it suitable for everyday use, though its HD+ resolution and basic TFT technology mean it may not be as sharp or vibrant as higher-end displays.
Performance
Hardware:
- Processor: Powered by the Exynos 850, an octa-core processor designed to balance performance and power efficiency for budget devices.
- RAM: Available in 3 GB and 4 GB variants, providing adequate memory for multitasking and running standard applications.
- Storage: Comes with 32 GB or 64 GB of internal storage, expandable via microSD card up to 512 GB, offering ample space for apps, media, and files.
Performance Evaluation:
- Daily Tasks: The Galaxy A21s handles everyday tasks such as browsing, social media, and messaging effectively. Performance is generally smooth for these activities.
- Casual Gaming: Casual games run smoothly, but more graphics-intensive games may experience performance issues, particularly with the 3 GB RAM model.
- App Load Times: Apps load quickly for a budget device, though there may be some slowdowns with heavier applications or extensive multitasking.
Benchmark Scores:
- Expected Performance: The performance benchmarks align with other budget smartphones, providing adequate power for typical use cases.
Overall, the Galaxy A21s delivers reliable performance for general use and light gaming, making it suitable for users who need a dependable device for everyday tasks.
Camera
Rear Cameras:
- 48 MP Main Camera (f/2.0): The primary camera captures good-quality photos with detailed and accurate colors, particularly in well-lit conditions.
- 8 MP Ultrawide (f/2.2): The ultrawide camera offers a broader field of view for capturing more of the scene, though it performs best in good lighting and may show some distortion at the edges.
- 2 MP Macro (f/2.4): The macro lens allows for close-up shots with decent detail, though it is limited in performance compared to dedicated macro cameras.
- 2 MP Depth Sensor (f/2.4): The depth sensor aids in creating portrait shots with background blur, though edge detection can be inconsistent.
Front Camera:
- 13 MP (f/2.2): The front camera provides good image quality for selfies and video calls, with decent performance in various lighting conditions.
Camera Performance:
- Daylight Photography: The main camera performs well in daylight, offering good detail and color accuracy.
- Low-Light Performance: Low-light performance is average, with increased noise and reduced detail, typical for budget smartphones.
- Portrait Mode: The portrait mode produces acceptable results with background blur, though edge detection can be hit-or-miss.
- Video Recording: The Galaxy A21s can record 1080p video at 30fps, offering decent quality with basic stabilization.
Overall, the camera setup on the Galaxy A21s provides versatile shooting options and decent performance for everyday photography, especially in well-lit conditions.
Battery Life
Specifications:
- Capacity: 5,000 mAh
- Charging: Standard 15W fast charging
Performance:
- Long Battery Life: The 5,000 mAh battery provides excellent battery life, easily lasting through a full day of moderate to heavy use.
- Charging Speed: The 15W fast charging feature allows for quicker recharging compared to standard charging speeds, though it may still take a while to fully charge the large battery.
In summary, the Galaxy A21s offers strong battery performance with the advantage of fast charging, ensuring long-lasting use and quicker power-ups.
Software and Ecosystem
Operating System:
- Android Version: Ships with Android 10, upgradable to newer versions with Samsung’s One UI 2.0.
- User Interface: One UI 2.0 provides a user-friendly and intuitive interface, designed to enhance the user experience with customization options and ease of use.
User Experience:
- Smooth and Intuitive: The software experience is smooth and easy to navigate, with customization options and features tailored for budget hardware.
- Software Updates: As a budget device, the Galaxy A21s may not receive updates as quickly as higher-end models, but it will receive essential security patches and feature updates.
Overall, the software on the Galaxy A21s is well-optimized for its hardware, offering a smooth and user-friendly experience with essential features and customization options.
Pros & Cons
Pros:
- Affordable Price: Provides a good balance of features at a competitive price, making it accessible for budget-conscious consumers.
- Large Display: The 6.5-inch screen offers ample space for media consumption, browsing, and general use.
- Versatile Camera Setup: The quad-camera system, including ultrawide and macro lenses, provides flexibility for various shooting scenarios.
- Long Battery Life: The 5,000 mAh battery delivers excellent battery life, easily lasting through a full day of use with the convenience of 15W fast charging.
- Expandable Storage: With support for microSD cards up to 512 GB, there is plenty of room for apps, photos, and videos.
Cons:
- Average Performance: The Exynos 850 processor and 3 GB or 4 GB of RAM provide adequate performance for basic tasks but may struggle with more demanding applications and multitasking.
- Low-Resolution Display: The HD+ resolution is sufficient for general use but may not be as sharp as Full HD displays, impacting the clarity of detailed content.
- Plastic Build: The plastic construction, while durable, lacks the premium feel of higher-end materials like glass or metal.
- Limited Low-Light Camera Performance: The camera’s performance in low-light conditions is average, with noticeable noise and reduced detail.
- Slow Software Updates: As a budget device, the Galaxy A21s may not receive timely updates, particularly for major Android versions.
Conclusion
The Samsung Galaxy A21s is a solid budget smartphone that offers a good mix of essential features at an affordable price. It provides a large display, versatile camera setup, and excellent battery life, making it a practical choice for users who need a reliable device for everyday use.
However, its average performance, low-resolution display, and limited low-light camera performance mean it is best suited for users who prioritize value for money and essential functionality over high-end features. Overall, the Galaxy A21s delivers strong value for its price, making it a worthy option for budget-conscious consumers seeking a dependable and well-rounded smartphone.
Review
Disclaimer Note
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