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Samsung Galaxy A21
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Battery: Li-Po 4000 mAh
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RAM: 3GB
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Storage: 32GB
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Display: IPS LCD, 6.5 inches
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Camera: Rear 16 MP+8 MP+2 MP+2 MP, and Front 13 MP
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OS: Android 10, One UI 2.0
Full Specifications
General
| Model | Samsung Galaxy A21 |
| Announced | 2020, April 08 |
| Released | 2020, June 26 |
| Status | Available |
Price
| Official | 18499 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. | 167.8 x 76.7 x 8.1 mm (6.61 x 3.02 x 0.32 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. | 193 g (6.81 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 |
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. | IPS 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 | 79.3% 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 3GB RAM eMMC 5.1 |
Main Camera
| Camera Setup | Quad |
| Resolution |
16 MP, f/1.8, (wide), 1/3.06", 1.0µm, PDAF 8 MP, f/2.2, (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/2.0, (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, One UI 2.0 |
| 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. | Mediatek MT6765 Helio P35 (12nm) |
| 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 (4x2.35 GHz Cortex-A53 & 4x1.8 GHz Cortex-A53) |
| 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. | PowerVR GE8320 |
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. | 4000 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 / CDMA / HSPA / EVDO / LTE |
| Speed | HSPA 42.2/5.76 Mbps, LTE Cat4 150/50 Mbps |
| 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, 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 only) CDMA 800 / 1900 |
| 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 / 1700(AWS) / 1900 / 2100 - USA CDMA2000 1xEV-DO |
| 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, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 38, 39, 40, 41, 66, 71 - USA |
About the Samsung Galaxy A21
The Samsung Galaxy A21 is an affordable Android smartphone launched in June 2020, designed for users who want a big screen and modern features without spending much. It features a large 6.5-inch HD+ display, a quad-camera setup, and a 4000mAh battery to last through the day.
Powered by the MediaTek Helio P35 processor, the Galaxy A21 offers decent performance for everyday tasks like browsing, calling, social media, and light apps. It comes with 3GB of RAM and 32GB of internal storage, which is expandable via microSD card.
With a 16MP main rear camera, ultrawide, macro, and depth lenses, plus a 13MP front camera, this phone gives users solid photo options at a budget price. It runs on Android 10 and includes features like a rear fingerprint scanner, face unlock, and a 3.5mm headphone jack.
Main Key Features
- Display: 6.5-inch HD+ (1600 x 720 pixels) LCD
- Processor: MediaTek Helio P35 (MT6765)
- RAM: 3GB
- Storage: 32GB internal, expandable via microSD card
- Rear Cameras: 16MP main, 8MP ultrawide, 2MP macro, 2MP depth sensor
- Front Camera: 13MP
- Battery: 4,000mAh with 15W fast charging
- Operating System: Android 10
- Connectivity: 4G LTE, Wi-Fi, Bluetooth 5.0
- Other Features: Rear-mounted fingerprint sensor, 3.5mm headphone jack
Pros & Cons
Pros
- Affordable Price: Offers good value for budget-conscious consumers.
- Large Display: 6.5-inch screen suitable for media consumption.
- Quad-Camera Setup: Versatile camera options for various photography needs.
- Expandable Storage: microSD support allows for additional storage.
- Long Battery Life: 4,000mAh battery ensures extended usage.
Cons
- Low Screen Resolution: HD+ resolution may not be as sharp as Full HD displays.
- Limited Performance: MediaTek Helio P35 and 3GB RAM may struggle with intensive tasks.
- Plastic Build: Less premium feel compared to metal or glass constructions.
- No NFC: Lacks Near Field Communication for contactless payments.
- Software Updates: May not receive the latest Android updates promptly.
Opinion
The Samsung Galaxy A21 is a solid choice for users seeking a reliable smartphone for everyday use without breaking the bank. Its large display and versatile camera system cater to media enthusiasts and casual photographers. However, those requiring higher performance or sharper displays might consider alternative options in a slightly higher price range.
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FAQs about Samsung Galaxy A21
Q: Does the Samsung Galaxy A21 support 5G?
A: No, the Galaxy A21 supports up to 4G LTE networks.
Q: Can I expand the storage on the Galaxy A21?
A: Yes, it has a microSD card slot supporting additional storage.
Q: Is the Galaxy A21 suitable for gaming?
A: It’s capable of handling casual games but may struggle with graphics-intensive titles due to its hardware limitations.
Q: Does the Galaxy A21 have a fingerprint sensor?
A: Yes, it features a rear-mounted fingerprint sensor for added security.
Q: What version of Android does the Galaxy A21 run?
A: It comes with Android 10 out of the box.
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