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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 50

Device CSC Version Bit/SW REV. Security Patch Lvl. OS Build date
Samsung Galaxy S21 5G CHA G991USQSDGXJ2 D  Full Files U(Android 14) 20241009162211
Samsung Galaxy S21 5G CHA G991USQSCGXH2 C  2024-09-01  Full Files U(Android 14) 20240902154710
Samsung Galaxy S21 5G CHA G991USQUCGXGA C  2024-08-01  Full Files U(Android 14) 20240729183551
Samsung Galaxy S21 5G CHA G991USQSCGXF3 C  2024-07-01  Full Files U(Android 14) 20240628185220
Samsung Galaxy S21 5G CHA G991USQSBGXF1 B  2024-06-01  Full Files U(Android 14) 20240606205120
Samsung Galaxy S21 5G CHA G991USQSBGXE2 B  2024-05-01  Full Files U(Android 14) 20240509212611
Samsung Galaxy S21 5G CHA G991USQUAGXDE A  2024-04-01  Full Files U(Android 14) 20240419192350
Samsung Galaxy S21 5G CHA G991USQSAFXD2 A  2024-04-01  Full Files U(Android 14) 20240402190420
Samsung Galaxy S21 5G CHA G991USQSAFXBD A  2024-03-01  Full Files U(Android 14) 20240304211210
Samsung Galaxy S21 5G CHA G991USQSAFXAF A  2024-02-01  Full Files U(Android 14) 20240205172630
Samsung Galaxy S21 5G CHA G991USQS9FXA4 9  2024-01-01  Full Files U(Android 14) 20240124182010
Samsung Galaxy S21 5G CHA G991USQU9FWL6 9  2023-12-01  Full Files U(Android 14) 20231220133910
Samsung Galaxy S21 5G CHA G991USQU9EWL2 9  2023-12-01  Full Files T(Android 13) 20231207160940
Samsung Galaxy S21 5G CHA G991USQS9EWK2 9  2023-11-01  Full Files T(Android 13) 20231106161350
Samsung Galaxy S21 5G CHA G991USQS9EWI8 9  2023-10-01  Full Files T(Android 13) 20230928122040
Samsung Galaxy S21 5G CHA G991USQS9EWI7 9  2023-09-01  Full Files T(Android 13) 20230919124940
Samsung Galaxy S21 5G CHA G991USQU8EWI5 8  2023-08-01  Full Files T(Android 13) 20230908161310
Samsung Galaxy S21 5G CHA G991USQS8EWH1 8  2023-08-01  Full Files T(Android 13) 20230817181650
Samsung Galaxy S21 5G CHA G991USQU7EWE5 7  2023-06-01  Full Files T(Android 13) 20230606164350
Samsung Galaxy S21 5G CHA G991USQU6EWD3 6  2023-04-01  Full Files T(Android 13) 20230412174851
Samsung Galaxy S21 5G CHA G991USQU5EWAI 5  2023-02-01  Full Files T(Android 13) 20230201183150
Samsung Galaxy S21 5G CHA G991USQU5DWA8 5  2023-01-01  Full Files T(Android 13) 20230112140951
Samsung Galaxy S21 5G CHA G991USQS5DVL3 5  2022-12-01  Full Files T(Android 13) 20221206194011
Samsung Galaxy S21 5G CHA G991USQS5DVK7 5  2022-11-01  Full Files T(Android 13) 20221123145910
Samsung Galaxy S21 5G CHA G991USQU5DVK3 5  2022-10-01  Full Files T(Android 13) 20221102230321
Samsung Galaxy S21 5G CHA G991USQS5CVI8 5  2022-10-01  Full Files S(Android 12) 20220920081310
Samsung Galaxy S21 5G CHA G991USQS5CVHB 5  2022-09-01  Full Files S(Android 12) 20220831095420
Samsung Galaxy S21 5G CHA G991USQU5CVH8 5  2022-08-01  Full Files S(Android 12) 20220816095950
Samsung Galaxy S21 5G CHA G991USQS5CVGA 5  2022-08-01  Full Files S(Android 12) 20220728134850
Samsung Galaxy S21 5G CHA G991USQU5CVG9 5  2022-07-01  Full Files S(Android 12) 20220722104140
Samsung Galaxy S21 5G CHA G991USQU5CVF1 5  2022-06-01  Full Files S(Android 12) 20220608192921
Samsung Galaxy S21 5G CHA G991USQU5CVDB 5  2022-05-01  Full Files S(Android 12) 20220422091830
Samsung Galaxy S21 5G CHA G991USQS5CVCB 5  2022-04-01  Full Files S(Android 12) 20220325085320
Samsung Galaxy S21 5G CHA G991USQU5CVC4 5  2022-03-01  Full Files S(Android 12) 20220309143312
Samsung Galaxy S21 5G CHA G991USQS5BVA6 5  2022-02-01  Full Files S(Android 12) 20220124174940
Samsung Galaxy S21 5G CHA G991USQU5BULJ 5  2022-01-01  Full Files S(Android 12) 20220103080430
Samsung Galaxy S21 5G CHA G991USQS4BUKK 4  2021-12-01  Full Files S(Android 12) 20211222105900
Samsung Galaxy S21 5G CHA G991USQU4BUKF 4  2021-11-01  Full Files S(Android 12) 20211123084000
Samsung Galaxy S21 5G CHA G991USQU4BUK7 4   2021-11-01  Full Files S(Android 12) 20211106091800
Samsung Galaxy S21 5G CHA G991USQS4AUIN 4  2021-10-01  Full Files R(Android 11) 20210930220505
Samsung Galaxy S21 5G CHA G991USQU4AUI7 4  2021-09-01  Full Files R(Android 11) 20210907094405
Samsung Galaxy S21 5G CHA G991USQU4AUGQ 4  2021-08-01  Full Files R(Android 11) 20210803115133
Samsung Galaxy S21 5G CHA G991USQU4AUGE 4  2021-08-01  Full Files R(Android 11) 20210722170705
Samsung Galaxy S21 5G CHA G991USQS4AUFD 4  2021-07-01  Full Files R(Android 11) 20210622201008
Samsung Galaxy S21 5G CHA G991USQU4AUF5 4  2021-06-01  Full Files R(Android 11) 20210607091507
Samsung Galaxy S21 5G CHA G991USQU3AUDB 3  2021-05-01  Full Files R(Android 11) 20210428161517
Samsung Galaxy S21 5G CHA G991USQU2AUC8 2  2021-04-01  Full Files R(Android 11) 20210320133835
Samsung Galaxy S21 5G CHA G991USQU2AUB5 2  2021-03-01  Full Files R(Android 11) 20210224094905
Samsung Galaxy S21 5G CHA G991USQU1AUAI 1  2021-02-01  Full Files R(Android 11) 20210203092634
Samsung Galaxy S21 5G CHA G991USQU1AUA3 1  2021-01-01  Full Files R(Android 11) 20210106094134
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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