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Samsung Galaxy S21 5G SM-G991B 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-G991B / Galaxy S21 5G SM-G991B 54

Device CSC Version Bit/SW REV. Security Patch Lvl. OS Build date
Samsung Galaxy S21 5G TPA G991BXXSEGXK1 E  2024-12-01  Full Files U(Android 14) 20241203123511
Samsung Galaxy S21 5G TPA G991BXXUEGXJE E  2024-11-01  Full Files U(Android 14) 20241105034611
Samsung Galaxy S21 5G TPA G991BXXSDGXI6 D  2024-10-01  Full Files U(Android 14) 20241015021910
Samsung Galaxy S21 5G TPA G991BXXSCGXH8 C  2024-09-01  Full Files U(Android 14) 20240914231540
Samsung Galaxy S21 5G TPA G991BXXUCGXH5 C  2024-08-01  Full Files U(Android 14) 20240822235341
Samsung Galaxy S21 5G TPA G991BXXSCGXF4 C  2024-07-01  Full Files U(Android 14) 20240628021141
Samsung Galaxy S21 5G TPA G991BXXSBGXEC B  2024-06-01  Full Files U(Android 14) 20240606073740
Samsung Galaxy S21 5G TPA G991BXXSBGXDH B  2024-05-01  Full Files U(Android 14) 20240516023821
Samsung Galaxy S21 5G TPA G991BXXUAGXDA A  2024-04-01  Full Files U(Android 14) 20240424210711
Samsung Galaxy S21 5G TPA G991BXXSAFXCL A  2024-04-01  Full Files U(Android 14) 20240401165000
Samsung Galaxy S21 5G TPA G991BXXS9FXBD 9  2024-03-01  Full Files U(Android 14) 20240302025300
Samsung Galaxy S21 5G TPA G991BXXS9FXAH 9  2024-02-01  Full Files U(Android 14) 20240130182650
Samsung Galaxy S21 5G TPA G991BXXS9FWLC 9  2024-01-01  Full Files U(Android 14) 20240104220440
Samsung Galaxy S21 5G TPA G991BXXS9FWKB 9  2023-12-01  Full Files U(Android 14) 20231204122830
Samsung Galaxy S21 5G TPA G991BXXU9FWK2 9  2023-11-01  Full Files U(Android 14) 20231108093901
Samsung Galaxy S21 5G TPA G991BXXS9EWJQ 9  2023-11-01  Full Files T(Android 13) 20231109061120
Samsung Galaxy S21 5G TPA G991BXXS9EWJH 9  2023-10-01  Full Files T(Android 13) 20231021080411
Samsung Galaxy S21 5G TPA G991BXXU9EWI7 9  2023-09-01  Full Files T(Android 13) 20230928232441
Samsung Galaxy S21 5G TPA G991BXXS9EWI4 9  2023-09-01  Full Files T(Android 13) 20230922032540
Samsung Galaxy S21 5G TPA G991BXXS9EWH3 9  2023-08-01  Full Files T(Android 13) 20230822205110
Samsung Galaxy S21 5G TPA G991BXXS9EWF5 9  2023-07-01  Full Files T(Android 13) 20230712224540
Samsung Galaxy S21 5G TPA G991BXXU9EWF2 9  2023-06-01  Full Files T(Android 13) 20230704044910
Samsung Galaxy S21 5G TPA G991BXXS7EWE4 7  2023-05-01  Full Files T(Android 13) 20230519030511
Samsung Galaxy S21 5G TPA G991BXXS7EWC4 7  2023-04-01  Full Files T(Android 13) 20230407025641
Samsung Galaxy S21 5G TPA G991BXXS6EWBB 6  2023-03-01  Full Files T(Android 13) 20230306222640
Samsung Galaxy S21 5G TPA G991BXXS6DWB1 6  2023-02-01  Full Files T(Android 13) 20230207215500
Samsung Galaxy S21 5G TPA G991BXXU6EWAF 6  2023-02-01  Full Files T(Android 13) 20230216014810
Samsung Galaxy S21 5G TPA G991BXXS5DWA4 5  2023-01-01  Full Files T(Android 13) 20230120061320
Samsung Galaxy S21 5G TPA G991BXXU5DVKF 5  2022-12-01  Full Files T(Android 13) 20221206174510
Samsung Galaxy S21 5G TPA G991BXXS5DVK1 5  2022-11-01  Full Files T(Android 13) 20221119053140
Samsung Galaxy S21 5G TPA G991BXXU5DVJC 5  2022-10-01  Full Files T(Android 13) 20221108061240
Samsung Galaxy S21 5G TPA G991BXXU5CVI6 5  2022-10-01  Full Files S(Android 12) 20221019090720
Samsung Galaxy S21 5G TPA G991BXXU5CVGB 5  2022-08-01  Full Files S(Android 12) 20220721215630
Samsung Galaxy S21 5G TPA G991BXXS5CVEA 5  2022-06-01  Full Files S(Android 12) 20220611065321
Samsung Galaxy S21 5G TPA G991BXXU5CVDD 5  2022-05-01  Full Files S(Android 12) 20220425233231
Samsung Galaxy S21 5G TPA G991BXXS4CVCG 4  2022-04-01  Full Files S(Android 12) 20220330144510
Samsung Galaxy S21 5G TPA G991BXXU4CVC4 4  2022-03-01  Full Files S(Android 12) 20220309104450
Samsung Galaxy S21 5G TPA G991BXXS4BVAA 4  2022-02-01  Full Files S(Android 12) 20220221141050
Samsung Galaxy S21 5G TPA G991BXXU4BULF 4  2022-01-01  Full Files S(Android 12) 20211229192600
Samsung Galaxy S21 5G TPA G991BXXU3BUK8 3  2021-11-01  Full Files S(Android 12) 20211106072401
Samsung Galaxy S21 5G TPA G991BXXU3AUIE 3  2021-10-01  Full Files R(Android 11) 20210915103818
Samsung Galaxy S21 5G TPA G991BXXU3AUHB 3  2021-08-01  Full Files R(Android 11) 20210817170537
Samsung Galaxy S21 5G TPA G991BXXU3AUGM 3  2021-08-01  Full Files R(Android 11) 20210730110328
Samsung Galaxy S21 5G TPA G991BXXU3AUG4 3  2021-07-01  Full Files R(Android 11) 20210707151008
Samsung Galaxy S21 5G TPA G991BXXU3AUF6 3  2021-06-01  Full Files R(Android 11) 20210613123148
Samsung Galaxy S21 5G TPA G991BXXU3AUE1 3  2021-05-01  Full Files R(Android 11) 20210501172636
Samsung Galaxy S21 5G TPA G991BXXU3AUDA 3  2021-05-01  Full Files R(Android 11) 20210424082237
Samsung Galaxy S21 5G TPA G991BXXU2AUC8 2  2021-04-01  Full Files R(Android 11) 20210320150006
Samsung Galaxy S21 5G TPA G991BXXS2AUBB 2  2021-03-01  Full Files R(Android 11) 20210224145635
Samsung Galaxy S21 5G TPA G991BXXU1AUB8 1  2021-02-01  Full Files R(Android 11) 20210213064535
Samsung Galaxy S21 5G TPA G991BXXU1AUB3 1  2021-02-01  Full Files R(Android 11) 20210204092935
Samsung Galaxy S21 5G TPA G991BXXU1AUAB 1  2021-01-01  Full Files R(Android 11) 20210125084104
Samsung Galaxy S21 5G TPA G991BXXU1AUA4 1  2021-01-01  Full Files R(Android 11) 20210107144135
Samsung Galaxy S21 5G TPA G991BXXU1ATLD 1  Full Files R(Android 11) 20201209152934
Lastest combinations SM-G991B / Galaxy S21 5G SM-G991B
Device Version Bit/SW REV. FA Change list Updated
SM-G991B / Galaxy S21 5G G991BXXU5AVD1 5 FAR0 CL24116225 2024-05-13 20:41:46
SM-G991B / Galaxy S21 5G G991BXXU4AUL1 4 FAR0 CL23342197 2024-03-10 18:42:08
SM-G991B / Galaxy S21 5G G991BXXU3AUF1 3 FAR0 CL21875223 2021-09-23 01:35:30
SM-G991B / Galaxy S21 5G G991BXXU2AUD3 2 FAR0 CL21561395 2021-09-29 01:38:14
SM-G991B / Galaxy S21 5G G991BXXU1AUA3 1 FAR0 CL20796681 2021-05-13 15:18:00
All combinations
 How to flash Samsung SM-G991B / Galaxy S21 5G SM-G991B 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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