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Samsung Galaxy S21 Ultra 5G
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Battery: Li-Ion 5000 mAh
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RAM: 12GB, 12GB, 16GB, 12GB, 16GB
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Storage: 128GB, 256GB, 256GB, 512GB, 512GB
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Display: Dynamic AMOLED 2X, 6.8 inches
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Camera: Rear 108 MP+10 MP+10 MP+12 MP, and Front 40 MP
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OS: Android 11, upgradable to Android 14, One UI 6
Full Specifications
General
| Model | Samsung Galaxy S21 Ultra 5G |
| Announced | 2021, January 14 |
| Released | 2021, January 29 |
| Status | Available |
Price
| Official | 119999 BDT 12GB/256GB 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. | 165.1 x 75.6 x 8.9 mm (6.5 x 2.98 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. | 227 g (Sub6), 229 g (mmWave) (8.01 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. |
Nano-SIM and eSIM or Dual SIM (2 Nano-SIMs and eSIM, dual stand-by) IP68 dust/water resistant (up to 1.5m for 30 min) Stylus support |
| Colors |
Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown, Navy |
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. | Dynamic AMOLED 2X |
| 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. | 6.8 inches, 112.1 cm2 |
| Resolution | 1440 x 3200 pixels, 20:9 ratio |
| Refresh Rate | 120Hz |
| 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. | 515 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 Victus |
| Features |
HDR10+, 1500 nits (peak) 89.8% screen-to-body ratio Always-on display |
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. | No |
| 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. |
128GB 12GB RAM, 256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM UFS 3.1 |
Main Camera
| Camera Setup | Quad |
| Resolution |
108 MP, f/1.8, 24mm (wide), 1/1.33", 0.8µm, PDAF, Laser AF, OIS 10 MP, f/2.4, 72mm (telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 3x optical zoom 10 MP, f/4.9, 240mm (periscope telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 10x optical zoom 12 MP, f/2.2, 13mm (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF, Super Steady video |
| Features |
LED flash, auto-HDR, panorama |
| Video | 8K@24fps, 4K@30/60fps, 1080p@30/60/240fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS |
Selfie Camera
| Camera Setup | Single |
| Resolution |
40 MP, f/2.2, 26mm (wide), 1/2.8", 0.7µm, PDAF |
| Video | 4K@30/60fps, 1080p@30fps |
| Features |
Dual video call, Auto-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 11, upgradable to Android 14, One UI 6 |
| 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 2100 (5 nm) - International; Qualcomm SM8350 Snapdragon 888 5G (5 nm) - USA/China |
| 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 (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International; Octa-core (1x2.84 GHz Cortex-X1 & 3x2.42 GHz Cortex-A78 & 4x1.80 GHz Cortex-A55) - USA/China |
| 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-G78 MP14 - International; Adreno 660 - USA/China |
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-Ion (Lithium Ion) |
| 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 |
25W wired, PD3.0 15W wireless (Qi/PMA) 4.5W reverse wireless |
| 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 |
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, with stereo speakers |
| 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. | No |
| Audio Features |
32-bit/384kHz audio Tuned by AKG |
Sensors
| Fingerprint | Yes (under display, ultrasonic) |
| Other Sensors | accelerometer, gyro, proximity, compass, barometer, Samsung DeX, Samsung Wireless DeX (desktop experience support), Ultra Wideband (UWB) support |
Network & Connectivity
| Technology | GSM / CDMA / HSPA / EVDO / LTE / 5G |
| Speed | HSPA 42.2/5.76 Mbps, LTE (7CA) Cat20 2000/200 Mbps, 5G (5+ Gbps DL) |
| 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/6e, 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. | 5.2, 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, GALILEO |
| FM Radio | Yes |
| USB | USB Type-C 3.2, OTG |
| 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) CDMA 800 / 1900 & TD-SCDMA |
| 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 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, 14, 18, 19, 20, 25, 26, 28, 30, 38, 39, 40, 41, 46, 48, 66, 71 - SM-G998U1 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 32, 38, 39, 40, 41, 66 - SM-G998B |
| 5G Network The 5G Network section indicates the phone’s compatibility with fifth-generation mobile networks. 5G can provide higher data speeds, lower latency, and improved network capacity, supporting faster downloads, high-quality streaming, cloud services, and other demanding mobile applications. |
2, 5, 25, 41, 66, 71, 260, 261 SA/NSA/Sub6/mmWave - SM-G998U1 1, 3, 5, 7, 8, 20, 28, 38, 40, 41, 66, 77, 78 SA/NSA/Sub6 - SM-G998B |
About the Samsung Galaxy S21 Ultra 5G
The Samsung Galaxy S21 Ultra 5G, launched in January 2021, is a premium flagship smartphone designed for power users, photographers, and tech enthusiasts. It boasts a stunning 6.8-inch Dynamic AMOLED 2X display with WQHD+ resolution and a 120Hz refresh rate, offering ultra-smooth visuals. Powered by either the Exynos 2100 (international) or Snapdragon 888 (USA), this device delivers top-tier performance for multitasking, gaming, and productivity. It features a versatile quad-camera setup with a massive 108MP main sensor and dual telephoto lenses, offering incredible zoom and detail.
The phone is also the first in the Galaxy S series to support S Pen (sold separately). With 5G connectivity, a 5000mAh battery, and premium build quality, the S21 Ultra is built for those who want the best Samsung has to offer.
Main Key Features
- Display: 6.8″ WQHD+ Dynamic AMOLED 2X, 120Hz, HDR10+
- Processor: Exynos 2100 (5nm) or Snapdragon 888 (5nm)
- RAM & Storage: 12GB/128GB, 12GB/256GB, or 16GB/512GB (no microSD slot)
- Rear Camera: Quad – 108MP (wide) + 12MP (ultrawide) + 10MP (3x telephoto) + 10MP (10x periscope)
- Front Camera: 40MP selfie camera
- Battery: 5000mAh with 25W wired, 15W wireless, and 4.5W reverse charging
- OS: Android 11 (upgradable to Android 14), One UI
- Other Features: 5G support, IP68 water resistance, Gorilla Glass Victus, S Pen support (optional)
Pros & Cons
Pros
- Stunning WQHD+ 120Hz AMOLED display
- Powerful performance with Exynos 2100 or Snapdragon 888
- Professional-grade camera system with up to 100x zoom
- S Pen support for added productivity (optional accessory)
- Premium design with Gorilla Glass Victus & IP68 rating
- Strong battery life with fast and wireless charging options
Cons
- No microSD card slot
- S Pen not included in the box
- Bulky and heavy due to large size and battery
- Expensive, even for flagship standards
- No charger included in the box
Opinion
The Samsung Galaxy S21 Ultra 5G is one of the best Android smartphones of its generation, offering top-tier specs, a brilliant display, and an unmatched camera setup. Ideal for professionals and enthusiasts, it’s a productivity and multimedia powerhouse — but it comes at a premium price.
See Another Model:
FAQs about Samsung Galaxy S21 Ultra 5G
Q: Does the S21 Ultra support 5G?
A: Yes, it fully supports 5G networks globally.
Q: Can I use an S Pen with this phone?
A: Yes, the S21 Ultra supports S Pen, but it’s sold separately and there’s no slot to store it in the phone.
Q: Does the phone have expandable storage?
A: No, there is no microSD card slot in the S21 Ultra.
Q: How good is the camera zoom?
A: The S21 Ultra supports up to 100x Space Zoom, with excellent results up to 10x.
Q: Is the phone waterproof?
A: Yes, it is rated IP68 for dust and water resistance.
Q: Does the S21 Ultra come with a charger?
A: No, Samsung no longer includes a charger in the box for this model.
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