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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 53

Device CSC Version Bit/SW REV. Security Patch Lvl. OS Build date
Samsung Galaxy S21 Ultra 5G SPR G998USQSDGXJ2 D  Full Files U(Android 14) 20241010175241
Samsung Galaxy S21 Ultra 5G SPR G998USQSCGXH2 C  2024-09-01  Full Files U(Android 14) 20240830141110
Samsung Galaxy S21 Ultra 5G SPR G998USQUCGXGA C  2024-08-01  Full Files U(Android 14) 20240729161200
Samsung Galaxy S21 Ultra 5G SPR G998USQSCGXF3 C  2024-07-01  Full Files U(Android 14) 20240702141430
Samsung Galaxy S21 Ultra 5G SPR G998USQSBGXF1 B  2024-06-01  Full Files U(Android 14) 20240607141810
Samsung Galaxy S21 Ultra 5G SPR G998USQSBGXE2 B  2024-05-01  Full Files U(Android 14) 20240515140901
Samsung Galaxy S21 Ultra 5G SPR G998USQUAGXDE A  2024-04-01  Full Files U(Android 14) 20240419225551
Samsung Galaxy S21 Ultra 5G SPR G998USQSAFXD3 A  2024-04-01  Full Files U(Android 14) 20240403152711
Samsung Galaxy S21 Ultra 5G SPR G998USQSAFXC2 A  2024-03-01  Full Files U(Android 14) 20240315195740
Samsung Galaxy S21 Ultra 5G SPR G998USQSAFXAI A  2024-02-01  Full Files U(Android 14) 20240201125710
Samsung Galaxy S21 Ultra 5G SPR G998USQS9FXA3 9  2024-01-01  Full Files U(Android 14) 20240108151830
Samsung Galaxy S21 Ultra 5G SPR G998USQS9FWL2 9  2023-12-01  Full Files U(Android 14) 20231208143911
Samsung Galaxy S21 Ultra 5G SPR G998USQU9FWK9 9  2023-11-01  Full Files U(Android 14) 20231120173220
Samsung Galaxy S21 Ultra 5G SPR G998USQS9EWK1 9  2023-11-01  Full Files T(Android 13) 20231106154450
Samsung Galaxy S21 Ultra 5G SPR G998USQS9EWI2 9  2023-10-01  Full Files T(Android 13) 20230927162121
Samsung Galaxy S21 Ultra 5G SPR G998USQS9EWI1 9  2023-09-01  Full Files T(Android 13) 20230913135110
Samsung Galaxy S21 Ultra 5G SPR G998USQU8EWH6 8  2023-08-01  Full Files T(Android 13) 20230810201100
Samsung Galaxy S21 Ultra 5G SPR G998USQS8EWG1 8  2023-07-01  Full Files T(Android 13) 20230707190450
Samsung Galaxy S21 Ultra 5G SPR G998USQU7EWF4 7  2023-06-01  Full Files T(Android 13) 20230619153240
Samsung Galaxy S21 Ultra 5G SPR G998USQS7EWF1 7  2023-06-01  Full Files T(Android 13) 20230608161311
Samsung Galaxy S21 Ultra 5G SPR G998USQS6EWD4 6  2023-05-01  Full Files T(Android 13) 20230502125810
Samsung Galaxy S21 Ultra 5G SPR G998USQU6EWD1 6  2023-04-01  Full Files T(Android 13) 20230406132310
Samsung Galaxy S21 Ultra 5G SPR G998USQS5EWB3 5  2023-03-01  Full Files T(Android 13) 20230302200820
Samsung Galaxy S21 Ultra 5G SPR G998USQU5EWAI 5  2023-02-01  Full Files T(Android 13) 20230202143740
Samsung Galaxy S21 Ultra 5G SPR G998USQS5DWA5 5  2023-01-01  Full Files T(Android 13) 20230116161640
Samsung Galaxy S21 Ultra 5G SPR G998USQU5DVL9 5  2022-12-01  Full Files T(Android 13) 20230102140440
Samsung Galaxy S21 Ultra 5G SPR G998USQS5DVK7 5  2022-11-01  Full Files T(Android 13) 20221121191200
Samsung Galaxy S21 Ultra 5G SPR G998USQU5DVK3 5  2022-10-01  Full Files T(Android 13) 20221102235610
Samsung Galaxy S21 Ultra 5G SPR G998USQU5CVIF 5  2022-10-01  Full Files S(Android 12) 20220926083630
Samsung Galaxy S21 Ultra 5G SPR G998USQS5CVHC 5  2022-09-01  Full Files S(Android 12) 20220901123930
Samsung Galaxy S21 Ultra 5G SPR G998USQU5CVH9 5  2022-08-01  Full Files S(Android 12) 20220822120150
Samsung Galaxy S21 Ultra 5G SPR G998USQU5CVGB 5  2022-08-01  Full Files S(Android 12) 20220728081650
Samsung Galaxy S21 Ultra 5G SPR G998USQU5CVG4 5  2022-07-01  Full Files S(Android 12) 20220713092711
Samsung Galaxy S21 Ultra 5G SPR G998USQU5CVF3 5  2022-06-01  Full Files S(Android 12) 20220615141740
Samsung Galaxy S21 Ultra 5G SPR G998USQU5CVDB 5  2022-05-01  Full Files S(Android 12) 20220422124851
Samsung Galaxy S21 Ultra 5G SPR G998USQU5CVCG 5  2022-04-01  Full Files S(Android 12) 20220402221940
Samsung Galaxy S21 Ultra 5G SPR G998USQU5CVC4 5  2022-03-01  Full Files S(Android 12) 20220309144650
Samsung Galaxy S21 Ultra 5G SPR G998USQS5BVA6 5  2022-02-01  Full Files S(Android 12) 20220124174020
Samsung Galaxy S21 Ultra 5G SPR G998USQU5BULJ 5  2022-01-01  Full Files S(Android 12) 20220103075331
Samsung Galaxy S21 Ultra 5G SPR G998USQS4BUKK 4  2021-12-01  Full Files S(Android 12) 20211223193000
Samsung Galaxy S21 Ultra 5G SPR G998USQU4BUKF 4  2021-11-01  Full Files S(Android 12) 20211123093631
Samsung Galaxy S21 Ultra 5G SPR G998USQU4BUK7 4  2021-11-01  Full Files S(Android 12) 20211106085531
Samsung Galaxy S21 Ultra 5G SPR G998USQS4AUIR 4  2021-10-01  Full Files R(Android 11) 20211005161835
Samsung Galaxy S21 Ultra 5G SPR G998USQU4AUIL 4  2021-09-01  Full Files R(Android 11) 20210925162034
Samsung Galaxy S21 Ultra 5G SPR G998USQS4AUI1 4  2021-09-01  Full Files R(Android 11) 20210903085904
Samsung Galaxy S21 Ultra 5G SPR G998USQU4AUGQ 4  2021-08-01  Full Files R(Android 11) 20210803130133
Samsung Galaxy S21 Ultra 5G SPR G998USQS4AUFD 4  2021-07-01  Full Files R(Android 11) 20210622191508
Samsung Galaxy S21 Ultra 5G SPR G998USQU4AUF5 4  2021-06-01  Full Files R(Android 11) 20210607102407
Samsung Galaxy S21 Ultra 5G SPR G998USQU3AUDD 3  2021-05-01  Full Files R(Android 11) 20210503090306
Samsung Galaxy S21 Ultra 5G SPR G998USQU2AUC8 2  2021-04-01  Full Files R(Android 11) 20210320114005
Samsung Galaxy S21 Ultra 5G SPR G998USQU2AUB5 2  2021-03-01  Full Files R(Android 11) 20210225100405
Samsung Galaxy S21 Ultra 5G SPR G998USQU1AUAG 1  2021-02-01  Full Files R(Android 11) 20210201090135
Samsung Galaxy S21 Ultra 5G SPR G998USQU1AUA3 1  2021-01-01  Full Files R(Android 11) 20210121091134
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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