| Brand | Samsung |
| Model | SM-G991U Galaxy S21 5G UW Dual SIM TD-LTE US 256GB / SM-G991R4 |
| Released | 2021 Jan 29 |
| Announced | 2021 Jan 14 |
| Hardware Designer | Samsung Electronics |
| Manufacturer | Samsung Electronics |
| Codename | Samsung Unbound M1 |
| OEM ID | G991UZAEUSC |
| 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) , CDMA800 (BC0) , CDMA1900 (BC1/BC14) , CDMA800 (BC10) , LTE1900 (B2) , LTE1700/2100 (B4) , LTE850 (B5) , LTE2600 (B7) , LTE700 (B12) , LTE700 (B13) , LTE1900 (B25) , LTE850 (B26) , LTE700 (B29) , TD-LTE2600 (B38) , TD-LTE1900 (B39) , TD-LTE2300 (B40) , TD-LTE2500 (B41) , TD-LTE5900 (B46) , TD-LTE3600 (B48) , LTE1700/2100 (B66) , LTE600 (B71) , NR1900 (N2) , NR1700/2100 (N66) , NR600 (N71) , 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 , cdmaOne , CDMA2000 1x , CDMA2000 1xEV-DO , CDMA2000 1xEV-DO Rev A , 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 |
| SAR (hotspot) | 1.090 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) , CDMA800 (BC0) , CDMA1900 (BC1/BC14) , CDMA800 (BC10) , LTE1900 (B2) , LTE1700/2100 (B4) , LTE850 (B5) , LTE2600 (B7) , LTE700 (B12) , LTE700 (B13) , LTE1900 (B25) , LTE850 (B26) , LTE700 (B29) , 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 , cdmaOne , CDMA2000 1x , CDMA2000 1xEV-DO , CDMA2000 1xEV-DO Rev A , 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 | United States Cellular Corporation |
| 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-G991R4📱
Title: Unveiling the Specification of the Device: A Comprehensive Overview
Introduction:
In today’s world, technology has become an essential part of our lives. With so many devices available in the market, it’s crucial to understand the specifications of the device before making a purchase decision. In this blog post, we will provide you with a comprehensive overview of a device’s specifications. So, buckle up and get ready to explore the fascinating world of technology.
Lineup:
The device comes in various models, each with unique specifications and features. The lineup includes different models with varying levels of performance and capabilities. Whether you are looking for a device for work or play, there is a model that will fit your needs.
Design:
The device boasts a sleek and modern design that is both attractive and functional. Its ergonomic design makes it comfortable to hold and use for extended periods. The device’s build quality is exceptional, with a sturdy and durable frame that can withstand daily wear and tear.
🌐Network:
The device supports multiple networks, including Wi-Fi, 4G LTE, and Bluetooth. This allows you to stay connected to the internet and other devices easily. The device also has a built-in GPS that ensures accurate and reliable location services.
📅LAUNCH:
The device was launched on the specified date, and it has been creating ripples in the technology world ever since. Its unique features and specifications have made it a popular choice among tech enthusiasts and experts alike.
🏋️BODY:
The device has a compact and lightweight design that makes it easy to carry around. Its dimensions are (length x width x height) with a weight of (weight in grams). The device is available in different colors, and the display has a (screen-to-body ratio) aspect ratio.
🌈 DISPLAY:
The device features a (size of the display) display with a (resolution) resolution. The display supports (features of the display, such as HDR or DCI-P3) and has a (refresh rate) refresh rate.
🤖 OS:
The device runs on the (name of the operating system) operating system, which is renowned for its ease of use and seamless performance.
🛠️CHIPSET:
The device is equipped with a powerful (name of the chipset) chipset that ensures smooth performance and efficient power usage.
💪 CPU:
The device features a (name of the CPU) CPU with a (number of cores) core and (base clock speed) base clock speed. This ensures fast and efficient processing, even when running multiple applications.
🖥️GPU:
The device has a (name of the GPU) GPU that supports (features of the GPU) for a smooth and immersive gaming experience.
🧠 MEMORY:
The device has a (amount of memory) amount of memory, allowing you to run multiple applications simultaneously without any lag.
🗂️STORAGE:
The device offers a (amount of storage) storage capacity, providing you with ample space to store all your files, photos, and applications.
📷 CAMERA:
The device has a (number of rear cameras) rear camera setup and a (number of front cameras) front camera setup. The rear camera features (features of the rear camera) and the front camera has (features of the front camera).
🎥VIDEO:
The device can record videos in (maximum video recording resolution) resolution at (frame rate).
🔈SOUND:
The device has a (features of the speaker(s)) speaker setup and a (features of the microphone) microphone for high-quality audio.
📡 COMMS:
The device supports (features of the communication modules) for easy connectivity.
💡FEATURES:
The device has (unique features of the device) that sets it apart from its competitors.
🔋 BATTERY:
The device features a (capacity of the battery) battery with (charging technology) charging technology.
Conclusion:
In conclusion, the device is a powerful and versatile piece of technology that is perfect for both work and play. Its unique features and specifications make it a great choice for those who demand the best from their devices. We invite you to leave a comment and share your thoughts on the device.
