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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 55

Device CSC Version Bit/SW REV. Security Patch Lvl. OS Build date
Samsung Galaxy S21 Ultra 5G CCT G998USQSEGXK3 E  2024-12-01  Full Files U(Android 14) 20241216183900
Samsung Galaxy S21 Ultra 5G CCT G998USQSEGXJ4 E  2024-11-01  Full Files U(Android 14) 20241028151011
Samsung Galaxy S21 Ultra 5G CCT G998USQSDGXJ2 D  2024-10-01  Full Files U(Android 14) 20241008160620
Samsung Galaxy S21 Ultra 5G CCT G998USQSCGXH2 C  2024-09-01  Full Files U(Android 14) 20240829160341
Samsung Galaxy S21 Ultra 5G CCT G998USQUCGXGA C  2024-08-01  Full Files U(Android 14) 20240726210641
Samsung Galaxy S21 Ultra 5G CCT G998USQSCGXF3 C  2024-07-01  Full Files U(Android 14) 20240626163931
Samsung Galaxy S21 Ultra 5G CCT G998USQSBGXF1 B  2024-06-01  Full Files U(Android 14) 20240605185910
Samsung Galaxy S21 Ultra 5G CCT G998USQSBGXE2 B  2024-05-01  Full Files U(Android 14) 20240509003531
Samsung Galaxy S21 Ultra 5G CCT G998USQUAGXDE A  2024-04-01  Full Files U(Android 14) 20240419144730
Samsung Galaxy S21 Ultra 5G CCT G998USQSAFXD2 A  2024-04-01  Full Files U(Android 14) 20240402202441
Samsung Galaxy S21 Ultra 5G CCT G998USQSAFXBD A  2024-03-01  Full Files U(Android 14) 20240305140400
Samsung Galaxy S21 Ultra 5G CCT G998USQSAFXAF A  2024-02-01  Full Files U(Android 14) 20240205171700
Samsung Galaxy S21 Ultra 5G CCT G998USQS9FXA4 9  2024-01-01  Full Files U(Android 14) 20240124174411
Samsung Galaxy S21 Ultra 5G CCT G998USQU9FWL6 9  2023-12-01  Full Files U(Android 14) 20231220144310
Samsung Galaxy S21 Ultra 5G CCT G998USQS9EWK2 9  2023-11-01  Full Files T(Android 13) 20231106173751
Samsung Galaxy S21 Ultra 5G CCT G998USQS9EWI8 9  2023-10-01  Full Files T(Android 13) 20230928122240
Samsung Galaxy S21 Ultra 5G CCT G998USQS9EWI7 9  2023-09-01  Full Files T(Android 13) 20230919142031
Samsung Galaxy S21 Ultra 5G CCT G998USQU8EWI5 8  2023-08-01  Full Files T(Android 13) 20230908154851
Samsung Galaxy S21 Ultra 5G CCT G998USQS8EWH1 8  2023-08-01  Full Files T(Android 13) 20230807182640
Samsung Galaxy S21 Ultra 5G CCT G998USQS8EWF1 8  2023-07-01  Full Files T(Android 13) 20230721191910
Samsung Galaxy S21 Ultra 5G CCT G998USQU7EWE5 7  2023-06-01  Full Files T(Android 13) 20230606171030
Samsung Galaxy S21 Ultra 5G CCT G998USQS6EWD5 6  2023-05-01  Full Files T(Android 13) 20230504201740
Samsung Galaxy S21 Ultra 5G CCT G998USQU6EWD3 6  2023-04-01  Full Files T(Android 13) 20230412173111
Samsung Galaxy S21 Ultra 5G CCT G998USQS6EWCA 6  2023-04-01  Full Files T(Android 13) 20230330142011
Samsung Galaxy S21 Ultra 5G CCT G998USQS5EWB3 5  2023-03-01  Full Files T(Android 13) 20230302171139
Samsung Galaxy S21 Ultra 5G CCT G998USQU5EWAI 5  2023-02-01  Full Files T(Android 13) 20230201185950
Samsung Galaxy S21 Ultra 5G CCT G998USQU5DWA8 5  2023-01-01  Full Files T(Android 13) 20230201175540
Samsung Galaxy S21 Ultra 5G CCT G998USQS5DVL3 5  2022-12-01  Full Files T(Android 13) 20221208153410
Samsung Galaxy S21 Ultra 5G CCT G998USQS5DVK7 5  2022-11-01  Full Files T(Android 13) 20221122211220
Samsung Galaxy S21 Ultra 5G CCT G998USQU5DVK3 5  2022-10-01  Full Files T(Android 13) 20221102232230
Samsung Galaxy S21 Ultra 5G CCT G998USQS5CVI8 5  2022-10-01  Full Files S(Android 12) 20220920082810
Samsung Galaxy S21 Ultra 5G CCT G998USQS5CVHB 5  2022-09-01  Full Files S(Android 12) 20220831102241
Samsung Galaxy S21 Ultra 5G CCT G998USQU5CVH8 5  2022-08-01  Full Files S(Android 12) 20220816091541
Samsung Galaxy S21 Ultra 5G CCT G998USQS5CVGA 5  2022-08-01  Full Files S(Android 12) 20220728125340
Samsung Galaxy S21 Ultra 5G CCT G998USQU5CVG9 5  2022-07-01  Full Files S(Android 12) 20220722102011
Samsung Galaxy S21 Ultra 5G CCT G998USQU5CVF1 5  2022-06-01  Full Files S(Android 12) 20220608190250
Samsung Galaxy S21 Ultra 5G CCT G998USQU5CVDB 5  2022-05-01  Full Files S(Android 12) 20220422092710
Samsung Galaxy S21 Ultra 5G CCT G998USQS5CVCB 5  2022-04-01  Full Files S(Android 12) 20220325112400
Samsung Galaxy S21 Ultra 5G CCT G998USQU5CVC4 5  2022-03-01  Full Files S(Android 12) 20220309151320
Samsung Galaxy S21 Ultra 5G CCT G998USQS5BVA6 5  2022-02-01  Full Files S(Android 12) 20220124181910
Samsung Galaxy S21 Ultra 5G CCT G998USQU5BULJ 5  2022-01-01  Full Files S(Android 12) 20220103083000
Samsung Galaxy S21 Ultra 5G CCT G998USQS4BUKK 4  2021-12-01  Full Files S(Android 12) 20211223194530
Samsung Galaxy S21 Ultra 5G CCT G998USQU4BUKF 4  2021-11-01  Full Files S(Android 12) 20211123090230
Samsung Galaxy S21 Ultra 5G CCT G998USQU4BUK7 4  2021-11-01  Full Files S(Android 12) 20211106093700
Samsung Galaxy S21 Ultra 5G CCT G998USQS4AUIN 4  2021-10-01  Full Files R(Android 11) 20210930204328
Samsung Galaxy S21 Ultra 5G CCT G998USQU4AUI7 4  2021-09-01  Full Files R(Android 11) 20210907094306
Samsung Galaxy S21 Ultra 5G CCT G998USQU4AUGQ 4  2021-08-01  Full Files R(Android 11) 20210803122005
Samsung Galaxy S21 Ultra 5G CCT G998USQU4AUGE 4  2021-08-01  Full Files R(Android 11) 20210722205919
Samsung Galaxy S21 Ultra 5G CCT G998USQS4AUFD 4  2021-07-01  Full Files R(Android 11) 20210622184610
Samsung Galaxy S21 Ultra 5G CCT G998USQU4AUF5 4  2021-06-01  Full Files R(Android 11) 20210607083538
Samsung Galaxy S21 Ultra 5G CCT G998USQU3AUDD 3  2021-05-01  Full Files R(Android 11) 20210503090237
Samsung Galaxy S21 Ultra 5G CCT G998USQU2AUC8 2  2021-04-01  Full Files R(Android 11) 20210320114535
Samsung Galaxy S21 Ultra 5G CCT G998USQU2AUB5 2  2021-03-01  Full Files R(Android 11) 20210225103105
Samsung Galaxy S21 Ultra 5G CCT G998USQU1AUAJ 1  2021-02-01  Full Files R(Android 11) 20210204090304
Samsung Galaxy S21 Ultra 5G CCT G998USQU1AUA3 1  2021-01-01  Full Files R(Android 11) 20210106112434
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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