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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 38

Device CSC Version Bit/SW REV. Security Patch Lvl. OS Build date
Samsung Galaxy S21 5G DSH G991USQSDGXJ2 D  Full Files U(Android 14) 20241010184320
Samsung Galaxy S21 5G DSH G991USQSCGXH2 C  2024-09-01  Full Files U(Android 14) 20240906144700
Samsung Galaxy S21 5G DSH G991USQUCGXGA C  2024-08-01  Full Files U(Android 14) 20240729214301
Samsung Galaxy S21 5G DSH G991USQSCGXF3 C  2024-07-01  Full Files U(Android 14) 20240628152520
Samsung Galaxy S21 5G DSH G991USQSBGXF1 B  2024-06-01  Full Files U(Android 14) 20240612160650
Samsung Galaxy S21 5G DSH G991USQSBGXE2 B  2024-05-01  Full Files U(Android 14) 20240510162541
Samsung Galaxy S21 5G DSH G991USQUAGXDE A  2024-04-01  Full Files U(Android 14) 20240419173840
Samsung Galaxy S21 5G DSH G991USQSAFXD3 A  2024-04-01  Full Files U(Android 14) 20240402164051
Samsung Galaxy S21 5G DSH G991USQSAFXC2 A  2024-03-01  Full Files U(Android 14) 20240305162850
Samsung Galaxy S21 5G DSH G991USQSAFXAI A  2024-02-01  Full Files U(Android 14) 20240201142820
Samsung Galaxy S21 5G DSH G991USQS9FXA3 9  2024-01-01  Full Files U(Android 14) 20240108160450
Samsung Galaxy S21 5G DSH G991USQS9FWL2 9  2023-12-01  Full Files U(Android 14) 20231208160641
Samsung Galaxy S21 5G DSH G991USQU9FWK9 9  2023-11-01  Full Files U(Android 14) 20231120175150
Samsung Galaxy S21 5G DSH G991USQS9EWK1 9  2023-11-01  Full Files T(Android 13) 20231106162831
Samsung Galaxy S21 5G DSH G991USQS9EWI2 9  2023-10-01  Full Files T(Android 13) 20230927171351
Samsung Galaxy S21 5G DSH G991USQS9EWI1 9  2023-09-01  Full Files T(Android 13) 20230913145150
Samsung Galaxy S21 5G DSH G991USQU8EWH6 8  2023-08-01  Full Files T(Android 13) 20230810201040
Samsung Galaxy S21 5G DSH G991USQS8EWG1 8  2023-07-01  Full Files T(Android 13) 20230707195200
Samsung Galaxy S21 5G DSH G991USQU7EWF4 7  2023-06-01  Full Files T(Android 13) 20230619160710
Samsung Galaxy S21 5G DSH G991USQS7EWF1 7  2023-06-01  Full Files T(Android 13) 20230608165650
Samsung Galaxy S21 5G DSH G991USQS6EWD4 6  2023-05-01  Full Files T(Android 13) 20230502131930
Samsung Galaxy S21 5G DSH G991USQU6EWD1 6  2023-04-01  Full Files T(Android 13) 20230406133340
Samsung Galaxy S21 5G DSH G991USQS5EWB3 5  2023-03-01  Full Files T(Android 13) 20230302205320
Samsung Galaxy S21 5G DSH G991USQU5EWAI 5  2023-02-01  Full Files T(Android 13) 20230202150911
Samsung Galaxy S21 5G DSH G991USQS5DWA5 5  2023-01-01  Full Files T(Android 13) 20230116162730
Samsung Galaxy S21 5G DSH G991USQU5DVL9 5  2022-12-01  Full Files T(Android 13) 20221215153710
Samsung Galaxy S21 5G DSH G991USQU5CVIF 5  2022-10-01  Full Files S(Android 12) 20220926090251
Samsung Galaxy S21 5G DSH G991USQS5CVHC 5  2022-09-01  Full Files S(Android 12) 20220901130731
Samsung Galaxy S21 5G DSH G991USQU5CVH9 5  2022-08-01  Full Files S(Android 12) 20220822120340
Samsung Galaxy S21 5G DSH G991USQU5CVGB 5  2022-08-01  Full Files S(Android 12) 20220728090331
Samsung Galaxy S21 5G DSH G991USQU5CVG4 5  2022-07-01  Full Files S(Android 12) 20220713101150
Samsung Galaxy S21 5G DSH G991USQU5CVDB 5  2022-05-01  Full Files S(Android 12) 20220422121750
Samsung Galaxy S21 5G DSH G991USQU5CVCG 5  2022-04-01  Full Files S(Android 12) 20220402231121
Samsung Galaxy S21 5G DSH G991USQU5CVC4 5  2022-03-01  Full Files S(Android 12) 20220309143301
Samsung Galaxy S21 5G DSH G991USQS4BUKK 4  2021-12-01  Full Files S(Android 12) 20211222090131
Samsung Galaxy S21 5G DSH G991USQU4BUKF 4  2021-11-01  Full Files S(Android 12) 20211123091900
Samsung Galaxy S21 5G DSH G991USQU4BUK7 4  Full Files S(Android 12) 20211106083800
Samsung Galaxy S21 5G DSH G991USQS4AUIR 4  2021-10-01  Full Files R(Android 11) 20211005153905
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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