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Samsung Galaxy A21s
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Battery: Li-Po 5000 mAh
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RAM: 2GB, 3GB, 4GB, 3GB, 4GB, 6GB, 3GB, 4GB, 6GB
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Storage: 32GB, 32GB, 32GB, 64GB, 64GB, 64GB, 128GB, 128GB, 128GB
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Display: PLS LCD, 6.5 inches
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Camera: Rear 48 MP+8 MP+2 MP+2 MP, and Front 13 MP
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OS: Android 10, upgradable to Android 12, One UI 4.1
Full Specifications
General
| Model | Samsung Galaxy A21s |
| Announced | 2020, May 15 |
| Released | 2020, June 02 |
| Status | Available |
Price
| Official | 16999 BDT 3GB/32GB Approx. |
Design
| Dimensions The Dimensions section shows the phone’s physical size in Height × Length × Width (H × L × W) format, along with its volume, when available. For flip phones, the dimensions are measured with the flip closed. This information helps users understand the phone’s overall size, thickness, portability, and how comfortably it may fit in the hand or pocket. | 163.7 x 75.3 x 8.9 mm (6.44 x 2.96 x 0.35 in) |
| Weight The Weight section shows the total weight of the phone, usually measured in grams (g). It helps users understand how light or heavy the device feels during everyday use and carrying. For phones with different designs or configurations, the listed weight may vary depending on the materials, battery, and other hardware components. | 192 g (6.77 oz) |
| SIM The SIM section provides details about the phone’s supported SIM configuration, including SIM type, number of SIM slots, and eSIM support, where available. It may specify options such as Nano-SIM, Single SIM, Dual SIM, or Hybrid Dual SIM. This information helps users understand how the phone handles multiple mobile numbers and which SIM format is required. For Dual SIM devices, the section may also indicate whether both SIMs can remain active simultaneously and support mobile network connectivity. |
Single SIM (Nano-SIM) or Dual SIM (Nano-SIM, dual stand-by) |
| Colors |
Black, White, Blue, Red |
Display Specification
| Display Type The Display Type section identifies the technology used for the phone’s screen, such as IPS LCD, AMOLED, OLED, or LTPO AMOLED. It helps users understand the display’s overall visual quality, including color reproduction, contrast, brightness, viewing experience, and power efficiency. The display type is an important specification when comparing smartphone screens. | PLS LCD |
| Size The Display Size section shows the diagonal size of the phone’s screen, usually measured in inches. It helps users understand the available viewing area and overall screen experience. A larger display is generally better for watching videos, gaming, and browsing, while a smaller display can offer easier handling and portability. | 6.5 inches, 102.0 cm2 |
| Resolution | 720 x 1600 pixels, 20:9 ratio |
| 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 density |
| Features | 82.8% screen-to-body ratio |
Storage
| Card Slot The Storage Card Slot section indicates whether the phone supports an external memory card, such as a microSD card, for expanding storage. It shows users whether they can add extra space for apps, photos, videos, and other files beyond the phone’s built-in storage. If the phone does not support a memory card, it will be listed as Not Supported. | microSDXC (dedicated slot) |
| Internal Storage The Internal Storage section shows the built-in storage capacity available on the phone, usually measured in GB. It determines how much space is available for apps, photos, videos, documents, and other files. Phones may come with different storage options, such as 128GB, 256GB, or 512GB, depending on the model and variant. |
32GB 2GB RAM, 32GB 3GB RAM, 32GB 4GB RAM, 64GB 3GB RAM, 64GB 4GB RAM, 64GB 6GB RAM, 128GB 3GB RAM, 128GB 4GB RAM, 128GB 6GB RAM eMMC 5.1 |
Main Camera
| Camera Setup | Quad |
| Resolution |
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) |
| Features |
LED flash, panorama, HDR |
| Video | 1080p@30fps |
Selfie Camera
| Camera Setup | Single |
| Resolution |
13 MP, f/2.2, (wide), 1/3.1", 1.12µm |
| Video | 1080p@30fps |
| Features | - |
Platform
| Operating System The Operating System (OS) section shows the software platform that powers the phone and manages its hardware, apps, and system features. It typically includes the OS name and version, such as Android or iOS, and may also mention the manufacturer’s custom user interface. This information helps users understand the phone’s software experience, features, compatibility, and available updates. | Android 10, upgradable to Android 12, One UI 4.1 |
| 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. | Exynos 850 (8nm) |
| 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 (4x2.0 GHz Cortex-A55 & 4x2.0 GHz Cortex-A55) |
| 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 |
Battery
| Battery Type The Battery Type section identifies the technology and design of the phone’s built-in battery, such as Li-Ion (Lithium-Ion) or Li-Po (Lithium-Polymer). It helps users understand the type of battery used to power the device and provides a basic overview of its battery technology. | Li-Poly (Lithium Polymer) |
| Capacity The Battery Capacity section shows the amount of electrical charge the phone’s battery can store, usually measured in mAh (milliampere-hours). A higher capacity generally provides more energy for everyday use, although actual battery life also depends on the display, processor, software, network usage, and other hardware components. | 5000 mAh |
| Removable | No |
| Charging |
15W wired |
| 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. | No |
Multimedia
| Loudspeaker The Loudspeaker section indicates the type and configuration of the phone’s built-in speakers, such as single or stereo speakers. It helps users understand the device’s audio output for calls, music, videos, gaming, and other multimedia activities. Some phones may also include additional audio features for a better listening experience. | Yes |
| Audio Jack The Audio Jack section indicates whether the phone includes a dedicated 3.5mm headphone jack for connecting wired headphones, earphones, or external audio devices. If the phone does not have a traditional audio jack, users may need USB Type-C headphones or an adapter for wired audio. The specification helps users quickly check the phone’s compatibility with their preferred audio accessories. | Yes |
Sensors
| Fingerprint | Yes (rear-mounted) |
| Other Sensors | accelerometer, gyro, proximity, compass |
Network & Connectivity
| Technology | GSM / HSPA / LTE |
| Speed | HSPA, LTE-A |
| Wi-fi The Wi-Fi section shows the wireless networking technologies and standards supported by the phone for connecting to the internet and other compatible devices. It may include standards such as Wi-Fi 4, Wi-Fi 5, Wi-Fi 6, Wi-Fi 6E, or Wi-Fi 7, along with features like dual-band, tri-band, Wi-Fi Direct, and hotspot support, where available. This information helps users understand the phone’s wireless connectivity, network compatibility, speed capabilities, and connection features. | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct |
| Bluetooth The Bluetooth section shows the wireless communication technology and version supported by the phone, such as Bluetooth 5.0, 5.1, 5.2, 5.3, or 5.4. It enables the phone to connect wirelessly with headphones, speakers, smartwatches, keyboards, cars, and other compatible devices. Where available, this section may also mention features such as A2DP, LE, aptX, or other Bluetooth audio and connectivity technologies. | 5.0, A2DP, LE |
| NFC The NFC (Near Field Communication) section indicates whether the phone supports short-range wireless communication between compatible devices. NFC can be used for contactless payments, quick device pairing, data sharing, access cards, and other NFC-enabled services, depending on the phone and region. This specification helps users check whether the device supports convenient tap-to-connect and contactless features. | Yes |
| Positioning |
GPS, GLONASS, GALILEO, BDS |
| FM Radio | Yes |
| USB | USB Type-C 2.0 |
| 2G Network The 2G Network section shows whether the phone supports second-generation mobile networks, including GSM, GPRS, and EDGE technologies. It provides basic connectivity for voice calls, SMS, and limited mobile data services where 2G networks are available. |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) |
| 3G Network The 3G Network section indicates the phone’s compatibility with third-generation mobile networks, such as UMTS, HSPA, and HSPA+. 3G provides faster mobile data than 2G and supports services such as web browsing, video calling, and multimedia streaming. |
HSDPA 850 / 900 / 1900 / 2100 |
| 4G Network The 4G Network section shows whether the phone supports fourth-generation mobile networks, primarily LTE technology. 4G offers faster mobile internet speeds, lower latency, and improved performance for browsing, streaming, online gaming, and other data-intensive activities. |
1, 2, 3, 5, 7, 8, 20, 28, 38, 40, 41 |
About the Samsung Galaxy A21s
The Samsung Galaxy A21s, released in May 2020, is a mid-range smartphone that offers a balance between performance, camera capabilities, and battery life. Designed to cater to budget-conscious consumers, it features a 6.5-inch PLS TFT display, an octa-core Exynos 850 processor, and a substantial 5,000 mAh battery. Its quad-camera setup, headlined by a 48MP main sensor, provides versatility for various photography needs. While it launched with Android 10 and Samsung’s One UI 2.5, it has since received updates up to Android 12 with One UI 4.1. However, as of July 2024, Samsung has ceased providing security updates for this model, potentially exposing it to security vulnerabilities.
Main Key Features
- Display: 6.5-inch PLS TFT LCD, HD+ (720 x 1600 pixels), ~270 ppi density
- Processor: Exynos 850 (8nm), Octa-core (4×2.0 GHz Cortex-A55 & 4×2.0 GHz Cortex-A55)
- GPU: Mali-G52
- RAM & Storage Options: 3GB/32GB, 4GB/64GB, 6GB/128GB; expandable via microSDXC up to 512GB
- Rear Cameras: 48MP (wide, f/2.0), 8MP (ultrawide, f/2.2), 2MP (macro, f/2.4), 2MP (depth, f/2.4)
- Front Camera: 13MP (f/2.2)
- Battery: 5,000 mAh, 15W fast charging
- Operating System: Android 10, upgradable to Android 12 with One UI 4.1
- Connectivity: 4G LTE, Wi-Fi 802.11 a/b/g/n/ac, Bluetooth 5.0, GPS, 3.5mm headphone jack, USB Type-C
- Sensors: Rear-mounted fingerprint sensor, accelerometer, proximity sensor, compass
- Dimensions: 163.7 x 75.3 x 8.9 mm; Weight: 192g
- Colors Available: Black, White, Blue, Red
Pros & Cons
Pros
- Long-lasting Battery: The 5,000 mAh battery ensures extended usage without frequent charging.
- Versatile Camera Setup: Quad-camera system offers flexibility for various photography scenarios.
- Expandable Storage: Supports microSD cards up to 512GB, allowing ample storage expansion.
- User-Friendly Interface: Samsung’s One UI provides an intuitive and smooth user experience.
- Affordable Pricing: Offers a range of features at a budget-friendly price point.
Cons
- Display Quality: The PLS TFT screen lacks the vibrancy and sharpness of AMOLED displays.
- Performance Limitations: Exynos 850 may struggle with high-end gaming and intensive multitasking.
- No 5G Support: Limited to 4G LTE connectivity.
- Plastic Build: The plastic back may feel less premium compared to glass or metal counterparts.
- End of Software Support: No longer receives security updates, potentially exposing it to vulnerabilities.
Opinion
The Samsung Galaxy A21s stands out as a reliable mid-range smartphone, offering a robust battery life and a versatile camera system. Its performance caters well to everyday tasks, making it suitable for users seeking functionality without a hefty price tag. However, the lack of AMOLED display, limited processing power for demanding applications, and cessation of software updates are factors to consider. For those prioritizing battery life and camera versatility on a budget, the A21s remains a commendable choice.
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FAQs about Samsung Galaxy A21s
Q: Does the Samsung Galaxy A21s support fast charging?
A: Yes, it supports 15W fast charging via USB Type-C.
Q: Can I expand the storage on the Galaxy A21s?
A: Yes, it has a dedicated microSD card slot supporting up to 512GB.
Q: Is the Galaxy A21s compatible with 5G networks?
A: No, it only supports up to 4G LTE connectivity.
Q: What is the current Android version for the Galaxy A21s?
A: The device is upgradable to Android 12 with One UI 4.1.
Q: Does the Galaxy A21s have a fingerprint sensor?
A: Yes, it features a rear-mounted fingerprint sensor.
Q: Is the Galaxy A21s still receiving software updates?
A: As of July 2024, Samsung has discontinued security updates for the Galaxy A21s.
Q: Does the Galaxy A21s have NFC support?
A: NFC availability may vary by region; it’s advisable to check the specifications for your specific model.
Q: Is the Galaxy A21s suitable for gaming?
A: While it can handle casual games, the Exynos 850 processor may not provide optimal performance for graphics-intensive gaming.
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