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Samsung Galaxy M21
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Battery: Li-Po 6000 mAh
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RAM: 4GB, 6GB
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Storage: 64GB, 128GB
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Display: Super AMOLED, 6.4 inches
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Camera: Rear 48 MP+8 MP+5 MP, and Front 20 MP
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OS: Android 10, upgradable to Android 11, One UI 3.1 Core
Full Specifications
General
| Model | Samsung Galaxy M21 |
| Announced | 2020, March 18 |
| Released | 2020, March 23 |
| Status | Available |
Price
| Official | 16999 BDT 4GB/64GB 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. | 159 x 75.1 x 8.9 mm (6.26 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. | 188 g (6.63 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 |
Midnight Blue, Raven 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. | Super AMOLED |
| 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. | 6.4 inches, 100.5 cm2 |
| Resolution | 1080 x 2340 pixels, 19.5:9 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. | 403 ppi density |
| 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. | Corning Gorilla Glass 3 |
| Features |
420 nits (peak) 84.2% 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. |
64GB 4GB RAM, 128GB 6GB RAM UFS 2.1 |
Main Camera
| Camera Setup | Triple |
| Resolution |
48 MP, f/2.0, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 12mm (ultrawide), 1/4.0", 1.12µm 5 MP, f/2.2, (depth) |
| Features |
LED flash, panorama, HDR |
| Video | 4K@30fps, 1080p@30fps, 720p@240fps, gyro-EIS |
Selfie Camera
| Camera Setup | Single |
| Resolution |
20 MP, f/2.2, 26mm (wide) |
| Video | 1080p@30fps |
| Features | HDR |
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 11, One UI 3.1 Core |
| 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 9611 (10nm) |
| 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 (4x2.3 GHz Cortex-A73 & 4x1.7 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. | Mali-G72 MP3 |
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. | 6000 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, 3, 5, 7, 8, 20, 38, 40, 41 |
About the Samsung Galaxy M21
The Samsung Galaxy M21, launched in March 2020, is a mid-range smartphone designed to offer a balanced mix of performance, display quality, and battery life. It features a 6.4-inch Full HD+ Super AMOLED display, delivering vibrant colors and sharp visuals. Powered by the Exynos 9611 processor and equipped with 4GB or 6GB of RAM, the device handles everyday tasks efficiently. Its triple rear camera setup includes a 48MP main sensor, providing versatile photography options. The standout feature is its substantial 6,000mAh battery, ensuring prolonged usage without frequent charging. Running on Android 10 with Samsung’s One UI 2.0, the Galaxy M21 offers a user-friendly interface and a suite of customization options.
Main Key Features
- Display: 6.4-inch Full HD+ (2340 x 1080) Super AMOLED
- Processor: Exynos 9611 Octa-core (4×2.3 GHz Cortex-A73 & 4×1.7 GHz Cortex-A53)
- RAM & Storage: 4GB/6GB RAM with 64GB/128GB internal storage, expandable via microSD up to 512GB
- Rear Cameras: 48MP main sensor, 8MP ultra-wide sensor, 5MP depth sensor
- Front Camera: 20MP
- Battery: 6,000mAh with 15W fast charging support
- Operating System: Android 10, upgradable to Android 12 with One UI 4.1
- Connectivity: Dual SIM, 4G LTE, Wi-Fi, Bluetooth 5.0, USB Type-C, 3.5mm headphone jack
- Security: Rear-mounted fingerprint sensor, Face Unlock
Pros & Cons
Pros
- Vibrant Super AMOLED display enhances viewing experience
- Long-lasting 6,000mAh battery ensures extended usage
- Versatile triple camera setup for diverse photography needs
- Expandable storage up to 512GB via microSD
- User-friendly One UI interface with customization options
Cons
- Exynos 9611 may not handle intensive gaming smoothly
- Average low-light camera performance
- Plastic build may not feel as premium as glass or metal counterparts
- No official IP rating for water or dust resistance
Opinion
The Samsung Galaxy M21 is a well-rounded mid-range smartphone that excels in display quality and battery life. Its Super AMOLED screen and substantial battery capacity make it suitable for media enthusiasts and users seeking prolonged usage. However, those requiring high-performance gaming or advanced camera capabilities might explore other options in a slightly higher price bracket.
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FAQs about Samsung Galaxy M21
Q: Does the Galaxy M21 support fast charging?
A: Yes, it supports 15W fast charging, allowing quicker battery replenishment.
Q: Can I expand the storage on the Galaxy M21?
A: Absolutely, the device supports microSD cards up to 512GB, providing ample storage expansion.
Q: Is the Galaxy M21 suitable for gaming?
A: While it can handle casual games smoothly, the Exynos 9611 processor may not deliver optimal performance for graphics-intensive games.
Q: Does the Galaxy M21 have a fingerprint sensor?
A: Yes, it features a rear-mounted fingerprint sensor for secure unlocking.
Q: What colors are available for the Galaxy M21?
A: The Galaxy M21 is available in Black, Blue, and Green color options.
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