Samsung GALAXY S21 Detailed Specifications
| Build | OS | Android 11 OS | |
|---|---|---|---|
| UI | One UI 3.1 | ||
| Dimensions | 151.7 x 71.2 x 7.9 mm | ||
| Weight | 171 g | ||
| SIM | Dual Sim, Dual Standby, eSIM (Nano-SIM) | ||
| Colors | Phantom Gray, Phantom White, Phantom Violet, Phantom Pink | ||
| Frequency | 2G Band | SIM1: GSM 850 / 900 / 1800 / 1900 SIM2: GSM 850 / 900 / 1800 / 1900 |
|
| 3G Band | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | ||
| 4G Band | LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 32(1500), 38(2600), 39(1900), 40(2300), 41(2500), 66(1700/2100) | ||
| 5G Band | 5G SA/NSA | ||
| Processor | CPU | Octa-core (1 x 2.9 GHz Cortex-X1 + 3 x 2.80 GHz Cortex-A78 + 4 x 2.2 GHz Cortex-A55) | |
| Chipset | Exynos 2100 (5 nm) | ||
| GPU | Mali-G78 MP14 | ||
| Display | Technology | Dynamic AMOLED 2X Capacitive Touchscreen, 16M Colors, Multitouch | |
| Size | 6.2 Inches | ||
| Resolution | 1080 x 2400 Pixels (~424 PPI) | ||
| Protection | Corning Gorilla Glass Victus | ||
| Extra Features | Eye Comfort Shield, Always-on display, 120Hz, HDR10+, 1300 nits (peak) | ||
| Memory | Built-in | 128/256GB Built-in, 8GB RAM, UFS 3.1 | |
| Card | No | ||
| Camera | Main | Triple Camera: 12 MP, f/1.8, 26mm (wide), 1/1.76", Dual Pixel PDAF, OIS + 64 MP, f/2.0, 28mm (telephoto), 1/1.76", PDAF, OIS, 1.1x optical zoom, 3x hybrid zoom + 12 MP, f/2.2, 13mm, (ultrawide), 1/2.55", Super Steady video, LED Flash | |
| Features | Geo-tagging, touch focus, face/smile detection, Auto HDR, panorama, Video (8K@30fps, 4K@30/60fps, 1080p@30/60/120fps, 720p@960fps, HDR10+, stereo sound rec., gyro-EIS & OIS) | ||
| Front | 10 MP, f/2.2, 26mm (wide), 1/3.24 | ||
| Connectivity | WLAN | Wi-Fi 802.11 a/b/g/n/ac/6e, dual-band, Wi-Fi Direct, hotspot | |
| Bluetooth | v5.0 with A2DP, LE | ||
| GPS | Yes + A-GPS support & Glonass, BDS, GALILEO | ||
| USB | USB Type-C 3.2, USB On-The-Go | ||
| NFC | Yes | ||
| Data | GPRS, Edge, 3G (HSPA 42.2/5.76 Mbps), 4G LTE-A (CA), 5G capable | ||
| Features | Sensors | Accelerometer, Barometer, Compass, Fingerprint (under display, ultrasonic), Gyro, Proximity, SpO2 | |
| Audio | 32-bit/384kHz audio, MP4/DivX/XviD/WMV/H.265 player, MP3/WAV/WMA/eAAC+/FLAC player, Speaker Phone | ||
| Browser | HTML5 | ||
| Messaging | SMS(threaded view), MMS, Email, Push Mail, IM | ||
| Games | Built-in + Downloadable | ||
| Torch | Yes | ||
| Extra | Glass front + Gorilla Glass Victus), Plastic back, Aluminum frame, Stylus support, Tuned by AKG, Active noise cancellation with dedicated mic, ANT+, Bixby natural language commands and dictation, Samsung DeX, Samsung Wireless DeX (desktop experience support), Samsung Pay (Visa, MasterCard certified), IP68 dust/water resistant (up to 1.5m for 30 mins), Document viewer, Photo/video editor | ||
| Battery | Capacity | (Li-Po Non removable), 4000 mAh | |
| - Fast charging 25W, USB Power Delivery 3.0, Fast Qi/PMA wireless charging 15W, Reverse wireless charging 4.5W | |||
Filter By
BIT/SW REV.
ANDROID VERSION
COUNTRY/CSC
Samsung firmware SM-G991B / GALAXY S21 SM-G991B
| Device | Model | CSC | Version | Bit | OS | File Size | Updated |
|---|---|---|---|---|---|---|---|
| GALAXY S21 | SM-G991B |  BAT | G991BXXSEGYA2 | E | U (Android 14) | 7.50 GB | Mar 15, 2025 |
| GALAXY S21 5G | SM-G991B |  CHE | G991BXXSEGYA2 | E | U (Android 14) | 7.50 GB | Mar 07, 2025 |
| GALAXY S21 5G | SM-G991B |  MID | G991BXXSEGXL2 | E | U (Android 14) | 8.15 GB | Jan 29, 2025 |
| GALAXY S21 5G | SM-G991B |  AFG | G991BXXSEGXK1 | E | U (Android 14) | 8.15 GB | Dec 29, 2024 |
| GALAXY S21 5G | SM-G991B |  MWD | G991BXXSEGXK1 | E | U (Android 14) | 8.15 GB | Dec 28, 2024 |
| GALAXY S21 5G | SM-G991B |  SEK | G991BXXSEGXK1 | E | U (Android 14) | 8.15 GB | Dec 27, 2024 |
| GALAXY S21 5G | SM-G991B |  PRT | G991BXXSEGXK1 | E | U (Android 14) | 8.15 GB | Dec 26, 2024 |
| GALAXY S21 5G | SM-G991B |  MBM | G991BXXSEGXK1 | E | U (Android 14) | 8.15 GB | Dec 26, 2024 |
| GALAXY S21 5G | SM-G991B |  TUN | G991BXXSEGXK1 | E | U (Android 14) | 8.15 GB | Dec 26, 2024 |
| GALAXY S21 5G | SM-G991B |  TMH | G991BXXSEGXK1 | E | U (Android 14) | 8.15 GB | Dec 26, 2024 |