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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 52

Device CSC Version Bit/SW REV. Security Patch Lvl. OS Build date
Samsung Galaxy S21 Ultra 5G CHA G998USQSEGXK3 E  Full Files U(Android 14) 20241202153111
Samsung Galaxy S21 Ultra 5G CHA G998USQSEGXJ4 E  2024-11-01  Full Files U(Android 14) 20241025201701
Samsung Galaxy S21 Ultra 5G CHA G998USQSDGXJ2 D  2024-10-01  Full Files U(Android 14) 20241009162241
Samsung Galaxy S21 Ultra 5G CHA G998USQSCGXH2 C  2024-09-01  Full Files U(Android 14) 20240902154800
Samsung Galaxy S21 Ultra 5G CHA G998USQUCGXGA C  2024-08-01  Full Files U(Android 14) 20240801010011
Samsung Galaxy S21 Ultra 5G CHA G998USQSCGXF3 C  2024-07-01  Full Files U(Android 14) 20240628185250
Samsung Galaxy S21 Ultra 5G CHA G998USQSBGXF1 B  2024-06-01  Full Files U(Android 14) 20240606205250
Samsung Galaxy S21 Ultra 5G CHA G998USQSBGXE2 B  2024-05-01  Full Files U(Android 14) 20240509214011
Samsung Galaxy S21 Ultra 5G CHA G998USQUAGXDE A  2024-04-01  Full Files U(Android 14) 20240419182241
Samsung Galaxy S21 Ultra 5G CHA G998USQSAFXD2 A  2024-04-01  Full Files U(Android 14) 20240402192600
Samsung Galaxy S21 Ultra 5G CHA G998USQSAFXBD A  2024-03-01  Full Files U(Android 14) 20240304202551
Samsung Galaxy S21 Ultra 5G CHA G998USQSAFXAF A  2024-02-01  Full Files U(Android 14) 20240205181040
Samsung Galaxy S21 Ultra 5G CHA G998USQS9FXA4 9  2024-01-01  Full Files U(Android 14) 20240124184850
Samsung Galaxy S21 Ultra 5G CHA G998USQU9FWL6 9  2023-12-01  Full Files U(Android 14) 20231220133940
Samsung Galaxy S21 Ultra 5G CHA G998USQU9EWL2 9  2023-12-01  Full Files T(Android 13) 20231207151510
Samsung Galaxy S21 Ultra 5G CHA G998USQS9EWK2 9  2023-11-01  Full Files T(Android 13) 20231106162851
Samsung Galaxy S21 Ultra 5G CHA G998USQS9EWI8 9  2023-10-01  Full Files T(Android 13) 20230928130640
Samsung Galaxy S21 Ultra 5G CHA G998USQS9EWI7 9  2023-09-01  Full Files T(Android 13) 20230919131221
Samsung Galaxy S21 Ultra 5G CHA G998USQU8EWI5 8  2023-08-01  Full Files T(Android 13) 20230908163330
Samsung Galaxy S21 Ultra 5G CHA G998USQS8EWH1 8  2023-08-01  Full Files T(Android 13) 20230807190011
Samsung Galaxy S21 Ultra 5G CHA G998USQU7EWE5 7  2023-06-01  Full Files T(Android 13) 20230606164400
Samsung Galaxy S21 Ultra 5G CHA G998USQU6EWD3 6  2023-04-01  Full Files T(Android 13) 20230412175310
Samsung Galaxy S21 Ultra 5G CHA G998USQU5EWAI 5  2023-02-01  Full Files T(Android 13) 20230201183620
Samsung Galaxy S21 Ultra 5G CHA G998USQU5DWA8 5  2023-01-01  Full Files T(Android 13) 20230112142520
Samsung Galaxy S21 Ultra 5G CHA G998USQS5DVL3 5  2022-12-01  Full Files T(Android 13) 20221206195950
Samsung Galaxy S21 Ultra 5G CHA G998USQS5DVK7 5  2022-11-01  Full Files T(Android 13) 20221122212840
Samsung Galaxy S21 Ultra 5G CHA G998USQU5DVK3 5  2022-10-01  Full Files T(Android 13) 20221102233920
Samsung Galaxy S21 Ultra 5G CHA G998USQS5CVI8 5  2022-10-01  Full Files S(Android 12) 20220920081010
Samsung Galaxy S21 Ultra 5G CHA G998USQS5CVHB 5  2022-09-01  Full Files S(Android 12) 20220831105550
Samsung Galaxy S21 Ultra 5G CHA G998USQU5CVH8 5  2022-08-01  Full Files S(Android 12) 20220816093401
Samsung Galaxy S21 Ultra 5G CHA G998USQS5CVGA 5  2022-08-01  Full Files S(Android 12) 20220728135520
Samsung Galaxy S21 Ultra 5G CHA G998USQU5CVG9 5  2022-07-01  Full Files S(Android 12) 20220722105141
Samsung Galaxy S21 Ultra 5G CHA G998USQU5CVF1 5  2022-06-01  Full Files S(Android 12) 20220608192711
Samsung Galaxy S21 Ultra 5G CHA G998USQU5CVDB 5  2022-05-01  Full Files S(Android 12) 20220422102920
Samsung Galaxy S21 Ultra 5G CHA G998USQS5CVCB 5  2022-04-01  Full Files S(Android 12) 20220325113050
Samsung Galaxy S21 Ultra 5G CHA G998USQU5CVC4 5  2022-03-01  Full Files S(Android 12) 20220309151330
Samsung Galaxy S21 Ultra 5G CHA G998USQS5BVA6 5  2022-02-01  Full Files S(Android 12) 20220124182550
Samsung Galaxy S21 Ultra 5G CHA G998USQU5BULJ 5  2022-01-01  Full Files S(Android 12) 20220103083100
Samsung Galaxy S21 Ultra 5G CHA G998USQS4BUKK 4  2021-12-01  Full Files S(Android 12) 20211223192930
Samsung Galaxy S21 Ultra 5G CHA G998USQU4BUKF 4  2021-11-01  Full Files S(Android 12) 20211123091500
Samsung Galaxy S21 Ultra 5G CHA G998USQU4BUK7 4   2021-11-01  Full Files S(Android 12) 20211106094200
Samsung Galaxy S21 Ultra 5G CHA G998USQS4AUIN 4  2021-10-01  Full Files R(Android 11) 20210930211635
Samsung Galaxy S21 Ultra 5G CHA G998USQU4AUI7 4  2021-09-01  Full Files R(Android 11) 20210907092058
Samsung Galaxy S21 Ultra 5G CHA G998USQU4AUGQ 4  2021-08-01  Full Files R(Android 11) 20210803122304
Samsung Galaxy S21 Ultra 5G CHA G998USQU4AUGE 4  2021-08-01  Full Files R(Android 11) 20210722205333
Samsung Galaxy S21 Ultra 5G CHA G998USQS4AUFD 4  2021-07-01  Full Files R(Android 11) 20210622191436
Samsung Galaxy S21 Ultra 5G CHA G998USQU4AUF5 4  2021-06-01  Full Files R(Android 11) 20210607080337
Samsung Galaxy S21 Ultra 5G CHA G998USQU3AUDB 3  2021-05-01  Full Files R(Android 11) 20210428134147
Samsung Galaxy S21 Ultra 5G CHA G998USQU2AUC8 2  2021-04-01  Full Files R(Android 11) 20210320115605
Samsung Galaxy S21 Ultra 5G CHA G998USQU2AUB5 2  2021-03-01  Full Files R(Android 11) 20210225103305
Samsung Galaxy S21 Ultra 5G CHA G998USQU1AUAJ 1  2021-02-01  Full Files R(Android 11) 20210204090534
Samsung Galaxy S21 Ultra 5G CHA G998USQU1AUA3 1  2021-01-01  Full Files R(Android 11) 20210106112504
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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