| Brand | Samsung |
| Model | SM-G991U Galaxy S21 5G UW Dual SIM TD-LTE US 256GB / SM-G991T |
| Released | 2021 Jan 29 |
| Announced | 2021 Jan 14 |
| Hardware Designer | Samsung Electronics |
| Manufacturer | Samsung Electronics |
| Codename | Samsung Unbound M1 |
| OEM ID | G991UZAETMB |
| General Extras | Haptic touch feedback |
| Device Category | Smartphone |
| Width | 71.2 mm |
| Height | 151.7 mm |
| Depth | 7.9 mm |
| Dimensions | 2.80×5.97×0.31 inches |
| Mass | 171 g |
| Platform | Android |
| Operating System | Google Android 11 (R) |
| Software Extras | Voice Command , Business card recognition , Navigation software , Augmented Reality (AR) , Virtual Reality (VR) support , Intelligent personal assistant , Voice Recognition , Face Recognition |
| CPU Clock | 2842 MHz |
| CPU | Qualcomm Snapdragon 888 5G SM8350 (Lahaina), 2021, 64 bit, octa-core, 5 nm, Qualcomm Adreno 660 GPU |
| RAM Type | LPDDR5 SDRAM |
| RAM Capacity (converted) | 8 GiB RAM |
| Non-volatile Memory Interface | UFS 3.1 |
| Non-volatile Memory Capacity (converted) | 256 GB ROM |
| Display Hole | 1-hole |
| Display Diagonal | 158.4 mm |
| Resolution | 1080×2400 |
| Horizontal Full Bezel Width | 6.2 mm |
| Display Area Utilization | 86.9% |
| Pixel Density | 422 PPI |
| Display Type | AM-OLED display |
| Display Subtype | Dynamic AM-OLED |
| Number of Display Scales | 16.8M |
| Display Refresh Rate | 120 Hz |
| Scratch Resistant Screen | Gorilla Glass Victus |
| Graphical Controller | Qualcomm Adreno 660 |
| GPU Clock: | 840 MHz |
| A/V Out | DisplayPort |
| Microphone(s) | stereo |
| Loudspeaker(s): | stereo |
| Audio Output: | USB Type-C |
| Supported Cellular Bands | GSM850 , GSM900 , GSM1800 , GSM1900 , UMTS2100 (B1) , UMTS1900 (B2) , UMTS1700/2100 (B4) , UMTS850 (B5) , UMTS900 (B8) , LTE2100 (B1) , LTE1900 (B2) , LTE1800 (B3) , LTE1700/2100 (B4) , LTE850 (B5) , LTE2600 (B7) , LTE900 (B8) , LTE700 (B12) , LTE700 (B13) , LTE800 (B18) , LTE800 (B19) , LTE800 (B20) , LTE1900 (B25) , LTE850 (B26) , LTE700 (B28) , TD-LTE2600 (B38) , TD-LTE1900 (B39) , TD-LTE2300 (B40) , TD-LTE2500 (B41) , TD-LTE5900 (B46) , TD-LTE3600 (B48) , LTE1700/2100 (B66) , LTE600 (B71) , TD-NR2500 (N41) , NR600 (N71) , TD-NR39G (N260) , TD-NR28G (N261) bands |
| Supported Cellular Data Links | GPRS , GPRS C12 , EDGE , EDGE MSC12 , UMTS , HSUPA , HSUPA 5.8 , HSDPA , HSPA+ 21.1 , DC-HSDPA 42.2 , LTE , LTE 100/50 , LTE 150/50 , LTE 300/50 , LTE 300/75 , LTE 300/100 , LTE 400/150 , LTE 450/50 , LTE 450/100 , LTE 600/50 , LTE 600/100 , LTE 1000/100 , LTE 1200/200 , LTE 1600 , LTE 2000/300 , NR 1500 , NR 2600 , NR 3700 , NR 4600 data links |
| SIM Card Slot | e-SIM |
| Complementary Phone Services | Voice transmission , Voice speaker , Vibrate , Speakerphone , ANC , HD Voice , VoLTE , ViLTE |
| SAR (head) | 0.540 W/kg |
| SAR (body) | 1.080 W/kg |
| Dual Cellular Network Operation | Dual standby |
| Sec. Supported Cellular Networks: | GSM850 , GSM900 , GSM1800 , GSM1900 , UMTS2100 (B1) , UMTS1900 (B2) , UMTS1700/2100 (B4) , UMTS850 (B5) , UMTS900 (B8) , LTE2100 (B1) , LTE1900 (B2) , LTE1800 (B3) , LTE1700/2100 (B4) , LTE850 (B5) , LTE2600 (B7) , LTE900 (B8) , LTE700 (B12) , LTE700 (B13) , LTE800 (B18) , LTE800 (B19) , LTE800 (B20) , LTE1900 (B25) , LTE850 (B26) , LTE700 (B28) , TD-LTE2600 (B38) , TD-LTE1900 (B39) , TD-LTE2300 (B40) , TD-LTE2500 (B41) , TD-LTE5900 (B46) , TD-LTE3600 (B48) , LTE1700/2100 (B66) , LTE600 (B71) |
| Sec. Supported Cellular Data Links: | GPRS , GPRS C12 , EDGE , EDGE MSC12 , UMTS , HSUPA , HSUPA 5.8 , HSDPA , HSPA+ 21.1 , HSPA+ 42.2 , DC-HSDPA 42.2 , LTE 100/50 , LTE 150/50 , LTE 300/50 , LTE 300/75 , LTE 300/100 , LTE 400/150 , LTE 450/50 , LTE 450/100 , LTE 600/50 , LTE 600/100 , LTE 1000/100 , LTE 1200/200 , LTE 1600 , LTE 2000/300 |
| Sec. SIM Card Slot | Nano-SIM (4FF) |
| Touchscreen Type | Capacitive multi-touch screen |
| Expansion Interfaces | No |
| USB | USB 3.0 / 3.1 Gen 1 / 3.2 Gen 1×1 |
| USB Services | USB charging , USB fast charging , USB Host , USB OTG 1.3 , USB OTG 2.0 , USB PD , USB PD 2.0 , USB PD 3.0 |
| USB Connector | USB C reversible |
| Max. Charging Power | 25.0 W |
| Bluetooth | Bluetooth 5.0 |
| Wireless LAN | 802.11a , 802.11b , 802.11g , 802.11n , 802.11ac , 802.11ax |
| Wireless Services | DLNA , Miracast , Wi-Fi Direct , Wi-Fi Tethering , WiDi , Wi-Fi Calling |
| NFC | NFC A , NFC B |
| FM Radio Receiver | No |
| Complementary Satellite Services | Simultaneous GPS , A-GPS , Dual-frequency GPS , Geotagging , QuickGPS , QZSS |
| Supported GLONASS protocol(s) | L1OF , L2OF |
| Supported Galileo service(s) | E1 , E5a |
| Camera Placement | Rear |
| Camera Image Sensor | BSI CMOS |
| Image Sensor Pixel Size | 1.80 micrometer |
| Number of effective pixels | 12.2 MP camera |
| Aperture (W) | f/1.80 |
| Zoom | 2.2 x optical zoom |
| Focus | PD AF |
| Video Recording | 7680×4320 pixel |
| Flash | single LED |
| Camera Extra Functions | EIS , EIS (video) , OIS , HDR photo , HDR video , Red-eye reduction , Slow motion video , Burst mode , Refocus , Touch focus , Macro mode , Panorama Photo , Face detection , Face tagging , Smile detection , Face retouch , Face retouch (video) , Intelligent scene detection |
| Aux. Camera Image Sensor | BSI CMOS |
| Aux. Cam. Image Sensor Pixel Size | 1.40 micrometer |
| Aux. Camera Number of Pixels | 12.2 MP aux. cam |
| Aux. Camera Aperture (W) | f/2.20 |
| Aux. Cam. Min. Equiv. Focal Length | 13 mm |
| Aux. Camera Extra Functions | EIS (video) , HDR photo , HDR video , Slow motion video , Burst mode , Panorama Photo , Face detection , Face tagging , Smile detection , Face retouch , Face retouch (video) , Intelligent scene detection |
| Aux. 2 Camera Image Sensor | BSI CMOS |
| Aux. 2 Camera Number of Pixels | 64.4 MP aux. 2 cam |
| Aux. 2 Camera Aperture (W) | f/2.00 |
| Aux. 2 Cam. Min. Equiv. Focal Length | 29 mm |
| Aux. 3 Camera Image Sensor | No |
| Aux. 4 Camera Image Sensor | No |
| Secondary Camera Placement | Front |
| Secondary Camera Sensor | BSI CMOS |
| Secondary Camera Number of pixels | 10.0 MP sec. cam |
| Secondary Aperture (W) | f/2.20 |
| Secondary Camera Focus | PD AF |
| Secondary Camera Extra Functions | Pixel unification , HDR photo , HDR video , Slow motion video , Burst mode , Touch focus , Panorama Photo , Face detection , Face tagging , Smile detection , Face retouch , Face retouch (video) , Intelligent scene detection |
| Sec. Aux. Cam. Image Sensor | No |
| Built-in compass | 3D compass |
| Built-in accelerometer | 3D accelerometer |
| Built-in gyroscope | 3D gyro |
| Additional sensors | Barometer , In-screen FP sensor , Hall , HR sensor , L sensor , P sensor , Step counter |
| Protection from solid materials | 6 Totally protected from dust |
| Protection from liquids | 8 Protected against immersion beyond 1m of depth |
| Immersion into liquids (depth limit) | 150 cm |
| Immersion into liquids time limit | 30 min |
| Battery | Li-ion |
| Nominal Battery Voltage | 3.88 Volts |
| Nominal Battery Capacity | 4000 mAh battery |
| Nominal Battery Energy | 15.52 Wh |
| Estimated Battery Life | 15.0 hours |
| Talk Time: | 30.0 hours |
| Wireless Charging | PMA , Qi |
| Max. Wireless Charging Power | 15.0 W |
| Market Countries | USA |
| Market Regions | North America |
| Mobile Operator | T-Mobile USA |
| Price | 849.99 USD |
| Added | 2024-06-12 |
Specifications data description of this 📱Samsung SM-G991U Galaxy S21 5G UW Dual SIM TD-LTE US 256GB / SM-G991T📱
Title: **Device Specification: A Comprehensive Overview**
Hello and welcome to our latest blog post! Today, we’re going to take a close look at the specification of a remarkable device. We have gathered all the important details and organized them into different sections for your convenience. Let’s dive right in!
🌐 **Lineup**
Introducing the latest addition to our lineup, this device is designed to cater to a wide range of users, from casual browsers to power users seeking a reliable and versatile companion.
📅 **Design**
Sleek, stylish, and compact, this device boasts an attractive design that is sure to turn heads. It features a slim profile and a comfortable grip, ensuring ease of use in any situation.
🌈 **Display**
Immerse yourself in vibrant colors and sharp visuals with the device’s stunning display. With a high resolution and excellent color reproduction, you can enjoy your favorite content in all its glory.
🤖 **Operating System (OS)**
Powered by the latest OS, this device delivers a seamless and intuitive user experience. The OS supports a wide range of applications, including productivity tools, games, and multimedia apps.
🛠️ **Chipset**
Equipped with a powerful chipset, this device can handle demanding tasks and multitasking effortlessly. The chipset includes a state-of-the-art processor that ensures smooth performance and efficient power management.
💪 **CPU**
Experience lightning-fast performance with the device’s powerful CPU. Engineered for speed and efficiency, the CPU can handle complex computations and workloads swiftly.
🖥️ **GPU**
Whether you’re into gaming or multimedia editing, this device’s powerful GPU has you covered. It delivers stunning graphics and smooth visuals, ensuring an immersive experience.
🧠 **Memory**
Ample memory ensures quick access to your files and applications. The device’s generous memory allocation ensures smooth multitasking and a responsive user interface.
📷 **Camera**
Capture your favorite moments with the device’s versatile camera system. It features a high-resolution main camera and a secondary camera for selfies, ensuring crisp and clear images every time.
🎮 **Sound**
Immerse yourself in high-quality audio with the device’s powerful sound system. Enjoy rich bass, clear trebles, and crystal-clear voice calls.
📡 **Communications**
Stay connected with the device’s robust communication features. It supports fast and reliable data connectivity, allowing you to stay connected with your loved ones and access your favorite online content.
💡 **Features**
Packed with innovative features, this device offers a wide range of functionalities. From biometric authentication to AI-powered assistants, you can enjoy a convenient and hassle-free user experience.
🔋 **Battery**
A powerful battery ensures long-lasting usage, so you can stay productive and entertained throughout the day. The device also features fast charging, allowing you to quickly recharge and get back to what you were doing.
🔌 **Conclusion**
And there you have it—a comprehensive overview of the device’s specifications. This device is an excellent choice for users seeking a powerful and versatile device that delivers exceptional performance and user experience.
We invite you to share your thoughts in the comments section! Let us know what you think about this device and how it compares to other devices in the market.
Thank you for reading! Stay tuned for more exciting content on our channel.
