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Samsung Galaxy S21 5G SM-G991U specifications Expand
Released 2021, January 29
169g (Sub6), 171g (mmWave), 7.9mm thickness
Android 11, One UI 3.1
128GB/256GB storage, no card slot

Samsung Galaxy S21 5G was announced at 2021, January 14 with Android 11, One UI 3.1, have chipset Exynos 2100 (5 nm) - International,Qualcomm SM8350 Snapdragon 888 5G (5 nm) - USA/China CPU Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International,Octa-core (1x2.84 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680) - USA/China and GPU Mali-G78 MP14 - International,Adreno 660 - USA/China. It have 128GB 8GB RAM, 256GB 8GB RAM storage and there are colors: Phantom Gray, Phantom White, Phantom Violet, Phantom Pink

NETWORK
Technology
GSM / CDMA / HSPA / EVDO / LTE / 5G
2G
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (Dual SIM model only)
3G
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G
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-G991U1
5G
2, 5, 25, 41, 66, 71, 260, 261 SA/NSA/Sub6/mmWave - SM-G991U1
Speed
HSPA 42.2/5.76 Mbps, LTE-A (CA), 5G
TIMELINE
Announced
2021, January 14
Released
Released 2021, January 29
BODY
Dimensions
151.7 x 71.2 x 7.9 mm (5.97 x 2.80 x 0.31 in)
Weight
169 g (Sub6), 171 g (mmWave) (5.96 oz)
Build
Glass front (Gorilla Glass Victus), plastic back, aluminum frame
SIM
Single SIM (Nano-SIM and/or eSIM) or Dual SIM (Nano-SIM and/or eSIM, dual stand-by)
DISPLAY
Type
Dynamic AMOLED 2X, 120Hz, HDR10+, 1300 nits (peak)
Size
6.2 inches, 94.1 cm2 (~87.2% screen-to-body ratio)
Resolution
1080 x 2400 pixels, 20:9 ratio (~421 ppi density)
Protection
Corning Gorilla Glass Victus
Always-on display
PLATFORM
OS
Android 11, One UI 3.1
Chipset
Exynos 2100 (5 nm) - International
Qualcomm SM8350 Snapdragon 888 5G (5 nm) - USA/China
CPU
Octa-core (1x2.9 GHz Cortex-X1 & 3x2.80 GHz Cortex-A78 & 4x2.2 GHz Cortex-A55) - International
Octa-core (1x2.84 GHz Kryo 680 & 3x2.42 GHz Kryo 680 & 4x1.80 GHz Kryo 680) - USA/China
GPU
Mali-G78 MP14 - International
Adreno 660 - USA/China
MEMORY
Card slot
No
Internal
128GB 8GB RAM, 256GB 8GB RAM
UFS 3.1
MAIN CAMERA
Camera
12 MP, f/1.8, 26mm (wide), 1/1.76", 1.8µm, Dual Pixel PDAF, OIS
64 MP, f/2.0, 29mm (telephoto), 1/1.72", 0.8µm, PDAF, OIS, 1.1x optical zoom, 3x hybrid zoom
12 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55" 1.4µm, 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
FRONT CAMERA
Camera
10 MP, f/2.2, 26mm (wide), 1/3.24", 1.22µm, Dual Pixel PDAF
Features
Dual video call, Auto-HDR
Video
4K@30/60fps, 1080p@30fps
SOUND
Loudspeaker
Yes, with stereo speakers
3.5mm jack
No
32-bit/384kHz audio
Tuned by AKG
COMMUNICATES
WLAN
Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct, hotspot
Bluetooth
5.0, A2DP, LE
GPS
Yes, with A-GPS, GLONASS, BDS, GALILEO
NFC
Yes
Radio
FM radio (Snapdragon model only; market/operator dependent)
USB
USB Type-C 3.2, USB On-The-Go
FEATURES
Sensors
Fingerprint (under display, ultrasonic), accelerometer, gyro, proximity, compass, barometer
Samsung DeX, Samsung Wireless DeX (desktop experience support)
Bixby natural language commands and dictation
Samsung Pay (Visa, MasterCard certified)
BATTERY
Battery
Li-Ion 4000 mAh, non-removable
Charging
Fast charging 25W
USB Power Delivery 3.0
Fast Qi/PMA wireless charging 15W
Reverse wireless charging 4.5W
MISC
Colors
Phantom Gray, Phantom White, Phantom Violet, Phantom Pink
SAR US
0.74 W/kg (head)     1.08 W/kg (body)    
SAR EU
0.46 W/kg (head)     1.51 W/kg (body)    
Performance
AnTuTu: 584055 (v8)
GeekBench: 3238 (v5.1)
GFXBench: 60fps (ES 3.1 onscreen)
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Specs source: gsmarena.com
Disclaimer. We can not guarantee that the information on this page is 100% correct

Filter firmware

Samsung firmware SM-G991U / Galaxy S21 5G SM-G991U 27

Device CSC Version Bit/SW REV. Security Patch Lvl. OS Build date
Samsung Galaxy S21 5G DSA G991USQSDGXJ2 D  Full Files U(Android 14) 20241010181701
Samsung Galaxy S21 5G DSA G991USQSCGXH2 C  2024-09-01  Full Files U(Android 14) 20240906142840
Samsung Galaxy S21 5G DSA G991USQUCGXGA C  2024-08-01  Full Files U(Android 14) 20240729211230
Samsung Galaxy S21 5G DSA G991USQSCGXF3 C  2024-07-01  Full Files U(Android 14) 20240628154630
Samsung Galaxy S21 5G DSA G991USQSBGXF1 B  2024-06-01  Full Files U(Android 14) 20240612154540
Samsung Galaxy S21 5G DSA G991USQSBGXE2 B  2024-05-01  Full Files U(Android 14) 20240510165540
Samsung Galaxy S21 5G DSA G991USQUAGXDE A  2024-04-01  Full Files U(Android 14) 20240419182211
Samsung Galaxy S21 5G DSA G991USQSAFXD3 A  2024-04-01  Full Files U(Android 14) 20240402161910
Samsung Galaxy S21 5G DSA G991USQSAFXC2 A  2024-03-01  Full Files U(Android 14) 20240305160700
Samsung Galaxy S21 5G DSA G991USQSAFXAI A  2024-02-01  Full Files U(Android 14) 20240201134821
Samsung Galaxy S21 5G DSA G991USQS9FXA3 9  2024-01-01  Full Files U(Android 14) 20240108150340
Samsung Galaxy S21 5G DSA G991USQS9FWL2 9  2023-12-01  Full Files U(Android 14) 20231208153940
Samsung Galaxy S21 5G DSA G991USQU9FWK9 9  2023-11-01  Full Files U(Android 14) 20231120172710
Samsung Galaxy S21 5G DSA G991USQS9EWK1 9  2023-11-01  Full Files T(Android 13) 20231106160620
Samsung Galaxy S21 5G DSA G991USQS9EWI2 9  2023-10-01  Full Files T(Android 13) 20230927165240
Samsung Galaxy S21 5G DSA G991USQS9EWI1 9  2023-09-01  Full Files T(Android 13) 20230913143220
Samsung Galaxy S21 5G DSA G991USQU8EWH6 8  2023-08-01  Full Files T(Android 13) 20230810205610
Samsung Galaxy S21 5G DSA G991USQS8EWG1 8  2023-07-01  Full Files T(Android 13) 20230707193251
Samsung Galaxy S21 5G DSA G991USQU7EWF4 7  2023-06-01  Full Files T(Android 13) 20230619155020
Samsung Galaxy S21 5G DSA G991USQS7EWF1 7  2023-06-01  Full Files T(Android 13) 20230608163640
Samsung Galaxy S21 5G DSA G991USQS6EWD4 6  2023-05-01  Full Files T(Android 13) 20230502125610
Samsung Galaxy S21 5G DSA G991USQU6EWD1 6  2023-04-01  Full Files T(Android 13) 20230406131630
Samsung Galaxy S21 5G DSA G991USQS5EWB3 5  2023-03-01  Full Files T(Android 13) 20230302202800
Samsung Galaxy S21 5G DSA G991USQU5EWAI 5  2023-02-01  Full Files T(Android 13) 20230202145221
Samsung Galaxy S21 5G DSA G991USQS5DWA5 5  2023-01-01  Full Files T(Android 13) 20230116161041
Samsung Galaxy S21 5G DSA G991USQU5DVL9 5  2022-12-01  Full Files T(Android 13) 20221215145540
Samsung Galaxy S21 5G DSA G991USQU5CVIF 5  2022-10-01  Full Files S(Android 12) 20220926092130
Lastest combinations SM-G991U / Galaxy S21 5G SM-G991U
Device Version Bit/SW REV. FA Change list Updated
SM-G991U / Galaxy S21 5G G991USQU3AUD3 3 FAR0 CL21561395 2021-09-23 01:47:29
SM-G991U / Galaxy S21 5G G991USQU2AUC3 2 FAR0 CL21221992 2021-10-12 17:37:14
SM-G991U / Galaxy S21 5G G991USQU1AUA5 1 FAR0 CL20796681 2021-05-13 15:22:16
All combinations
 How to flash Samsung SM-G991U / Galaxy S21 5G SM-G991U firmware

1. Extract (unzip) the Samsung firmware file. Recommended using WinRAR or 7-Zip

2. Download Odin Tool 3.13.1

3. Extract Odin ZIP file

4. Open Odin execute file

5. Reboot Samsung phone in Download Mode (hold Home + Power + Volume Down buttons / hold Volume Down + Bixby buttons then plug-in cable)

6. Connect you Samsung phone and wait until you get a blue sign in Odin

7. Add the 1 file Samsung firmware to AP/PDA or 4 files Samsung firmware (AP/BL/CP/CSC) to it's slots

8. Make sure re-partition is NOT ticked

9. Click the START button, sit back and wait few minutes

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