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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 54

Device CSC Version Bit/SW REV. Security Patch Lvl. OS Build date
Samsung Galaxy S21 5G USC G991USQSDGXJ2 D  Full Files U(Android 14) 20241009135711
Samsung Galaxy S21 5G USC G991USQSCGXH2 C  Full Files U(Android 14) 20240902152431
Samsung Galaxy S21 5G USC G991USQUCGXGA C  Full Files U(Android 14) 20240729180920
Samsung Galaxy S21 5G USC G991USQSCGXF3 C  Full Files U(Android 14) 20240628182201
Samsung Galaxy S21 5G USC G991USQSBGXF1 B  Full Files U(Android 14) 20240606211101
Samsung Galaxy S21 5G USC G991USQSBGXF1 B  Full Files U(Android 14) 20240606211101
Samsung Galaxy S21 5G USC G991USQSBGXF1 B  Full Files U(Android 14) 20240606211101
Samsung Galaxy S21 5G USC G991USQSBGXF1 B  Full Files U(Android 14) 20240606211101
Samsung Galaxy S21 5G USC G991USQSBGXE2 B  Full Files U(Android 14) 20240509215741
Samsung Galaxy S21 5G USC G991USQUAGXDE A  Full Files U(Android 14) 20240419185221
Samsung Galaxy S21 5G USC G991USQSAFXD1 A  Full Files U(Android 14) 20240402185332
Samsung Galaxy S21 5G USC G991USQSAFXBC A  Full Files U(Android 14) 20240304214010
Samsung Galaxy S21 5G USC G991USQSAFXAE A  Full Files U(Android 14) 20240201163141
Samsung Galaxy S21 5G USC G991USQS9FXA2 9  Full Files U(Android 14) 20240105133341
Samsung Galaxy S21 5G USC G991USQS9FWL1 9  Full Files U(Android 14) 20231206151800
Samsung Galaxy S21 5G USC G991USQU9FWK5 9  Full Files U(Android 14) 20231110191510
Samsung Galaxy S21 5G USC G991USQS9EWK1 9  Full Files T(Android 13) 20231103212640
Samsung Galaxy S21 5G USC G991USQS9EWI2 9  Full Files T(Android 13) 20230927190930
Samsung Galaxy S21 5G USC G991USQS9EWI1 9  Full Files T(Android 13) 20230913151120
Samsung Galaxy S21 5G USC G991USQU8EWH6 8  Full Files T(Android 13) 20230816180040
Samsung Galaxy S21 5G USC G991USQS8EWH1 8  Full Files T(Android 13) 20230807201811
Samsung Galaxy S21 5G USC G991USQS8EWF1 8  Full Files T(Android 13) 20230710151010
Samsung Galaxy S21 5G USC G991USQU7EWE5 7  Full Files T(Android 13) 20230602150010
Samsung Galaxy S21 5G USC G991USQS6EWD4 6  Full Files T(Android 13) 20230503133110
Samsung Galaxy S21 5G USC G991USQU6EWD1 6  Full Files T(Android 13) 20230405152440
Samsung Galaxy S21 5G USC G991USQU5EWAI 5  Full Files T(Android 13) 20230201163950
Samsung Galaxy S21 5G USC G991USQU5DWA8 5  Full Files T(Android 13) 20230112003941
Samsung Galaxy S21 5G USC G991USQS5DVL3 5  Full Files T(Android 13) 20221205174510
Samsung Galaxy S21 5G USC G991USQS5DVK7 5  Full Files T(Android 13) 20221122121616
Samsung Galaxy S21 5G USC G991USQU5DVK3 5  Full Files T(Android 13) 20221102231930
Samsung Galaxy S21 5G USC G991USQS5CVI8 5  Full Files S(Android 12) 20220920091120
Samsung Galaxy S21 5G USC G991USQS5CVHB 5  Full Files S(Android 12) 20220831124711
Samsung Galaxy S21 5G USC G991USQU5CVH8 5  Full Files S(Android 12) 20220816090611
Samsung Galaxy S21 5G USC G991USQS5CVGA 5  Full Files S(Android 12) 20220728124830
Samsung Galaxy S21 5G USC G991USQU5CVG9 5  Full Files S(Android 12) 20220722110820
Samsung Galaxy S21 5G USC G991USQU5CVF1 5  Full Files S(Android 12) 20220608195110
Samsung Galaxy S21 5G USC G991USQU5CVDB 5  Full Files S(Android 12) 20220422112741
Samsung Galaxy S21 5G USC G991USQS5CVCB 5  Full Files S(Android 12) 20220325085921
Samsung Galaxy S21 5G USC G991USQU5CVC4 5  Full Files S(Android 12) 20220309144110
Samsung Galaxy S21 5G USC G991USQS5BVA6 5  Full Files S(Android 12) 20220124164210
Samsung Galaxy S21 5G USC G991USQU5BULJ 5  Full Files S(Android 12) 20220103081001
Samsung Galaxy S21 5G USC G991USQS4BUKK 4  Full Files S(Android 12) 20211222100300
Samsung Galaxy S21 5G USC G991USQU4BUKF 4  Full Files S(Android 12) 20211123174131
Samsung Galaxy S21 5G USC G991USQS4AUIN 4  2021-10-01  Full Files R(Android 11) 20210930220535
Samsung Galaxy S21 5G USC G991USQU4AUI7 4  2021-09-01  Full Files R(Android 11) 20210907103034
Samsung Galaxy S21 5G USC G991USQU4AUGQ 4  2021-08-01  Full Files R(Android 11) 20210803115714
Samsung Galaxy S21 5G USC G991USQU4AUGE 4  2021-08-01  Full Files R(Android 11) 20210722170404
Samsung Galaxy S21 5G USC G991USQS4AUFD 4  2021-07-01  Full Files R(Android 11) 20210622202519
Samsung Galaxy S21 5G USC G991USQU4AUF5 4  2021-06-01  Full Files R(Android 11) 20210708093211
Samsung Galaxy S21 5G USC G991USQU3AUDD 3  2021-05-01  Full Files R(Android 11) 20210503081536
Samsung Galaxy S21 5G USC G991USQU2AUC8 2  2021-04-01  Full Files R(Android 11) 20210320132735
Samsung Galaxy S21 5G USC G991USQU2AUB5 2  2021-03-01  Full Files R(Android 11) 20210224093205
Samsung Galaxy S21 5G USC G991USQU1AUAG 1  2021-02-01  Full Files R(Android 11) 20210201111604
Samsung Galaxy S21 5G USC G991USQU1AUA3 1  2021-01-01  Full Files R(Android 11) 20210106091934
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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