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Samsung Galaxy S21 Ultra 5G SM-G998U specifications Expand
Released 2021, January 29
227g (Sub6), 229g (mmWave), 8.9mm thickness
Android 11, One UI 3.1
128GB/256GB/512GB storage, no card slot

Samsung Galaxy S21 Ultra 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 12GB RAM, 256GB 12GB RAM, 512GB 16GB RAM storage and there are colors: Phantom Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown

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-G998U1
5G
2, 5, 25, 41, 66, 71, 260, 261 SA/NSA/Sub6/mmWave - SM-G998U1
Speed
HSPA 42.2/5.76 Mbps, LTE-A (CA), 5G
TIMELINE
Announced
2021, January 14
Released
Released 2021, January 29
BODY
Dimensions
165.1 x 75.6 x 8.9 mm (6.5 x 2.98 x 0.35 in)
Weight
227 g (Sub6), 229 g (mmWave) (8.01 oz)
Build
Glass front (Gorilla Glass Victus), glass back (Gorilla Glass Victus), 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+, 1500 nits (peak)
Size
6.8 inches, 112.1 cm2 (~89.8% screen-to-body ratio)
Resolution
1440 x 3200 pixels, 20:9 ratio (~515 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 12GB RAM, 256GB 12GB RAM, 512GB 16GB RAM
UFS 3.1
MAIN CAMERA
Camera
108 MP, f/1.8, 24mm (wide), 1/1.33", 0.8µm, PDAF, Laser AF, OIS
10 MP, f/4.9, 240mm (periscope telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 10x optical zoom
10 MP, f/2.4, 70mm (telephoto), 1/3.24", 1.22µm, dual pixel PDAF, OIS, 3x optical zoom
12 MP, f/2.2, 13mm (ultrawide), 1/2.55", 1.4µm, dual pixel PDAF, 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
40 MP, f/2.2, 26mm (wide), 1/2.8", 0.7µm, 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/6e, dual-band, Wi-Fi Direct, hotspot
Bluetooth
5.2, 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)
Ultra Wideband (UWB) support
BATTERY
Battery
Li-Ion 5000 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 Black, Phantom Silver, Phantom Titanium, Phantom Navy, Phantom Brown
SAR US
0.77 W/kg (head)     1.02 W/kg (body)    
SAR EU
0.71 W/kg (head)     1.58 W/kg (body)    
Performance
AnTuTu: 657150 (v8)
GeekBench: 3518 (v5.1)
GFXBench: 33fps (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-G998U / Galaxy S21 Ultra 5G SM-G998U 54

Device CSC Version Bit/SW REV. Security Patch Lvl. OS Build date
Samsung Galaxy S21 Ultra 5G TMB G998USQSDGXJ2 D  Full Files U(Android 14) 20241008192501
Samsung Galaxy S21 Ultra 5G TMB G998USQSCGXH2 C  2024-09-01  Full Files U(Android 14) 20240903184710
Samsung Galaxy S21 Ultra 5G TMB G998USQUCGXGA C  2024-08-01  Full Files U(Android 14) 20240729151300
Samsung Galaxy S21 Ultra 5G TMB G998USQSCGXF3 C  2024-07-01  Full Files U(Android 14) 20240628145720
Samsung Galaxy S21 Ultra 5G TMB G998USQSBGXF1 B  2024-06-01  Full Files U(Android 14) 20240607134121
Samsung Galaxy S21 Ultra 5G TMB G998USQSBGXE2 B  2024-05-01  Full Files U(Android 14) 20240510164240
Samsung Galaxy S21 Ultra 5G TMB G998USQUAGXDE A  2024-04-01  Full Files U(Android 14) 20240419165510
Samsung Galaxy S21 Ultra 5G TMB G998USQSAFXD3 A  2024-04-01  Full Files U(Android 14) 20240402152400
Samsung Galaxy S21 Ultra 5G TMB G998USQSAFXC2 A  2024-03-01  Full Files U(Android 14) 20240305152720
Samsung Galaxy S21 Ultra 5G TMB G998USQSAFXAI A  2024-02-01  Full Files U(Android 14) 20240209171810
Samsung Galaxy S21 Ultra 5G TMB G998USQS9FXA3 9  2024-01-01  Full Files U(Android 14) 20240109003510
Samsung Galaxy S21 Ultra 5G TMB G998USQS9FWL2 9  2023-12-01  Full Files U(Android 14) 20231208180410
Samsung Galaxy S21 Ultra 5G TMB G998USQU9FWK9 9  2023-11-01  Full Files U(Android 14) 20231118170110
Samsung Galaxy S21 Ultra 5G TMB G998USQS9EWK1 9  2023-11-01  Full Files T(Android 13) 20231106195140
Samsung Galaxy S21 Ultra 5G TMB G998USQS9EWI2 9  2023-10-01  Full Files T(Android 13) 20230927170740
Samsung Galaxy S21 Ultra 5G TMB G998USQS9EWI2 9  2023-10-01  Full Files T(Android 13) 20230927170740
Samsung Galaxy S21 Ultra 5G TMB G998USQS9EWI1 9  2023-09-01  Full Files T(Android 13) 20230918160120
Samsung Galaxy S21 Ultra 5G TMB G998USQU8EWH6 8  2023-08-01  Full Files T(Android 13) 20230810171920
Samsung Galaxy S21 Ultra 5G TMB G998USQS8EWG1 8  2023-07-01  Full Files T(Android 13) 20230710151000
Samsung Galaxy S21 Ultra 5G TMB G998USQU7EWF4 7  2023-06-01  Full Files T(Android 13) 20230619193840
Samsung Galaxy S21 Ultra 5G TMB G998USQS7EWF1 7  2023-06-01  Full Files T(Android 13) 20230608123640
Samsung Galaxy S21 Ultra 5G TMB G998USQS6EWD4 6  2023-05-01  Full Files T(Android 13) 20230501184411
Samsung Galaxy S21 Ultra 5G TMB G998USQU6EWD1 6  2023-04-01  Full Files T(Android 13) 20230410021341
Samsung Galaxy S21 Ultra 5G TMB G998USQS5EWB3 5  2023-03-01  Full Files T(Android 13) 20230302145440
Samsung Galaxy S21 Ultra 5G TMB G998USQU5EWAI 5  2023-02-01  Full Files T(Android 13) 20230201151621
Samsung Galaxy S21 Ultra 5G TMB G998USQS5DWA5 5  2023-01-01  Full Files T(Android 13) 20230117005011
Samsung Galaxy S21 Ultra 5G TMB G998USQU5DVL9 5  2022-12-01  Full Files T(Android 13) 20221220181420
Samsung Galaxy S21 Ultra 5G TMB G998USQS5DVK7 5  2022-11-01  Full Files T(Android 13) 20221117232145
Samsung Galaxy S21 Ultra 5G TMB G998USQU5DVK3 5  2022-10-01  Full Files T(Android 13) 20221103001321
Samsung Galaxy S21 Ultra 5G TMB G998USQU5CVIF 5  2022-10-01  Full Files S(Android 12) 20220926075440
Samsung Galaxy S21 Ultra 5G TMB G998USQS5CVHC 5  2022-09-01  Full Files S(Android 12) 20220901112121
Samsung Galaxy S21 Ultra 5G TMB G998USQU5CVH9 5  2022-08-01  Full Files S(Android 12) 20220822110342
Samsung Galaxy S21 Ultra 5G TMB G998USQU5CVGB 5  2022-08-01  Full Files S(Android 12) 20220728091920
Samsung Galaxy S21 Ultra 5G TMB G998USQU5CVG4 5  2022-07-01  Full Files S(Android 12) 20220713081501
Samsung Galaxy S21 Ultra 5G TMB G998USQU5CVF3 5  2022-06-01  Full Files S(Android 12) 20220615133040
Samsung Galaxy S21 Ultra 5G TMB G998USQU5CVDB 5  2022-05-01  Full Files S(Android 12) 20220422120340
Samsung Galaxy S21 Ultra 5G TMB G998USQU5CVCG 5  2022-04-01  Full Files S(Android 12) 20220402221730
Samsung Galaxy S21 Ultra 5G TMB G998USQU5CVC4 5  2022-03-01  Full Files S(Android 12) 20220309141020
Samsung Galaxy S21 Ultra 5G TMB G998USQS5BVA6 5  2022-02-01  Full Files S(Android 12) 20220124190211
Samsung Galaxy S21 Ultra 5G TMB G998USQU5BULJ 5  2022-01-01  Full Files S(Android 12) 20220101212730
Samsung Galaxy S21 Ultra 5G TMB G998USQS4BUKK 4  2021-12-01  Full Files S(Android 12) 20211223161630
Samsung Galaxy S21 Ultra 5G TMB G998USQU4BUKF 4  2021-11-01  Full Files S(Android 12) 20211123094531
Samsung Galaxy S21 Ultra 5G TMB G998USQU4BUK7 4  2021-11-01  Full Files S(Android 12) 20211106085631
Samsung Galaxy S21 Ultra 5G TMB G998USQS4AUIR 4  2021-10-01  Full Files R(Android 11) 20211005165607
Samsung Galaxy S21 Ultra 5G TMB G998USQU4AUIL 4  2021-09-01  Full Files R(Android 11) 20210925165809
Samsung Galaxy S21 Ultra 5G TMB G998USQS4AUI1 4  2021-09-01  Full Files R(Android 11) 20210903094835
Samsung Galaxy S21 Ultra 5G TMB G998USQU4AUGQ 4  2021-08-01  Full Files R(Android 11) 20210803132234
Samsung Galaxy S21 Ultra 5G TMB G998USQS4AUFD 4  2021-07-01  Full Files R(Android 11) 20210622191538
Samsung Galaxy S21 Ultra 5G TMB G998USQU4AUF5 4  2021-06-01  Full Files R(Android 11) 20210607095738
Samsung Galaxy S21 Ultra 5G TMB G998USQU3AUDD 3  2021-05-01  Full Files R(Android 11) 20210503094237
Samsung Galaxy S21 Ultra 5G TMB G998USQU2AUC8 2  2021-04-01  Full Files R(Android 11) 20210320114305
Samsung Galaxy S21 Ultra 5G TMB G998USQU2AUB5 2  2021-03-01  Full Files R(Android 11) 20210226174135
Samsung Galaxy S21 Ultra 5G TMB G998USQU1AUAG 1  2021-02-01  Full Files R(Android 11) 20210201113834
Samsung Galaxy S21 Ultra 5G TMB G998USQU1AUA3 1  2021-01-01  Full Files R(Android 11) 20210106120034
Lastest combinations SM-G998U / Galaxy S21 Ultra 5G SM-G998U
Device Version Bit/SW REV. FA Change list Updated
SM-G998U / Galaxy S21 Ultra 5G G998USQU4AUG4 4 FAR0 CL22210599 2024-05-14 01:26:33
SM-G998U / Galaxy S21 Ultra 5G G998USQU3AUD3 3 FAR0 CL21561395 2021-08-20 01:28:15
SM-G998U / Galaxy S21 Ultra 5G G998USQU2AUC3 2 FAR0 CL21221992 2021-10-12 17:47:29
SM-G998U / Galaxy S21 Ultra 5G G998USQU1AUA4 1 FAR0 CL20796634 2021-05-05 03:31:31
All combinations
 How to flash Samsung SM-G998U / Galaxy S21 Ultra 5G SM-G998U 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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