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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 65

Device CSC Version Bit/SW REV.
Sec. Patch Lvl. 		Sec. Patch Lvl. OS / OneUI Build date
Samsung Galaxy S21 Ultra 5G ATT G998USQSJHZB1 J  Full Files V(Android 15) 20260225172131
Samsung Galaxy S21 Ultra 5G ATT G998USQSJHZAA J  Full Files V(Android 15) 20260120173321
Samsung Galaxy S21 Ultra 5G ATT G998USQSIHYL1 I  Full Files V(Android 15) 20251209225211
Samsung Galaxy S21 Ultra 5G ATT G998USQSHHYI1 H  Full Files V(Android 15) 20250917180231
Samsung Galaxy S21 Ultra 5G ATT G998USQSGHYF2 G  Full Files V(Android 15) 20250617135220
Samsung Galaxy S21 Ultra 5G ATT G998USQSFHYE2 F  Full Files V(Android 15) 20250526152400
Samsung Galaxy S21 Ultra 5G ATT G998USQUEHYDA E  Full Files V(Android 15) 20250417074320
Samsung Galaxy S21 Ultra 5G ATT G998USQSEGYA5 E  Full Files U(Android 14) 20250212134341
Samsung Galaxy S21 Ultra 5G ATT G998USQSEGXLB E  Full Files U(Android 14) 20241230193221
Samsung Galaxy S21 Ultra 5G ATT G998USQSEGXK3 E  Full Files U(Android 14) 20241204201341
Samsung Galaxy S21 Ultra 5G ATT G998USQSEGXJ4 E  Full Files U(Android 14) 20241105175241
Samsung Galaxy S21 Ultra 5G ATT G998USQSDGXJ2 D  Full Files U(Android 14) 20241009141900
Samsung Galaxy S21 Ultra 5G ATT G998USQSCGXH2 C  Full Files U(Android 14) 20240902150110
Samsung Galaxy S21 Ultra 5G ATT G998USQUCGXGA C  Full Files U(Android 14) 20240729173740
Samsung Galaxy S21 Ultra 5G ATT G998USQSCGXF3 C  Full Files U(Android 14) 20240628191421
Samsung Galaxy S21 Ultra 5G ATT G998USQSBGXF1 B  Full Files U(Android 14) 20240606203010
Samsung Galaxy S21 Ultra 5G ATT G998USQSBGXE2 B  Full Files U(Android 14) 20240509223300
Samsung Galaxy S21 Ultra 5G ATT G998USQUAGXDE A  Full Files U(Android 14) 20240419185841
Samsung Galaxy S21 Ultra 5G ATT G998USQSAFXD4 A  Full Files U(Android 14) 20240403172220
Samsung Galaxy S21 Ultra 5G ATT G998USQSAFXC4 A  Full Files U(Android 14) 20240304205530
Samsung Galaxy S21 Ultra 5G ATT G998USQSAFXAG A  Full Files U(Android 14) 20240201153451
Samsung Galaxy S21 Ultra 5G ATT G998USQS9FXA1 9  Full Files U(Android 14) 20240103144730
Samsung Galaxy S21 Ultra 5G ATT G998USQU9FWKC 9  Full Files U(Android 14) 20231129201930
Samsung Galaxy S21 Ultra 5G ATT G998USQS9EWK1 9  Full Files T(Android 13) 20231103210611
Samsung Galaxy S21 Ultra 5G ATT G998USQS9EWI2 9  Full Files T(Android 13) 20230927144950
Samsung Galaxy S21 Ultra 5G ATT G998USQS9EWI1 9  Full Files T(Android 13) 20230915175100
Samsung Galaxy S21 Ultra 5G ATT G998USQU8EWH6 8  Full Files T(Android 13) 20230818174211
Samsung Galaxy S21 Ultra 5G ATT G998USQS8EWH1 8  Full Files T(Android 13) 20230810213530
Samsung Galaxy S21 Ultra 5G ATT G998USQS8EWF1 8  Full Files T(Android 13) 20230703151240
Samsung Galaxy S21 Ultra 5G ATT G998USQU7EWE5 7  Full Files T(Android 13) 20230607182711
Samsung Galaxy S21 Ultra 5G ATT G998USQS6EWD4 6  Full Files T(Android 13) 20230505133611
Samsung Galaxy S21 Ultra 5G ATT G998USQU6EWD1 6  Full Files T(Android 13) 20230410140940
Samsung Galaxy S21 Ultra 5G ATT G998USQS6EWCA 6  Full Files T(Android 13) 20230328164820
Samsung Galaxy S21 Ultra 5G ATT G998USQS5EWB3 5  Full Files T(Android 13) 20230301141941
Samsung Galaxy S21 Ultra 5G ATT G998USQU5EWAI 5  Full Files T(Android 13) 20230207121101
Samsung Galaxy S21 Ultra 5G ATT G998USQU5DWA8 5  2023-01-01  Full Files T(Android 13) One UI 5 20230112144851
Samsung Galaxy S21 Ultra 5G ATT G998USQS5DVL1 5  2022-12-01  Full Files T(Android 13) One UI 5 20221209175840
Samsung Galaxy S21 Ultra 5G ATT G998USQU5DVK9 5  2022-10-01  Full Files T(Android 13) One UI 5 20221125153920
Samsung Galaxy S21 Ultra 5G ATT G998USQS5CVIG 5  2022-10-01  Full Files S(Android 12) One UI 4.1 20220929124901
Samsung Galaxy S21 Ultra 5G ATT G998USQS5CVHB 5  2022-09-01  Full Files S(Android 12) One UI 4.1 20220831072620
Samsung Galaxy S21 Ultra 5G ATT G998USQU5CVH8 5  2022-08-01  Full Files S(Android 12) One UI 4.1 20220816082121
Samsung Galaxy S21 Ultra 5G ATT G998USQU5CVF9 5  2022-08-01  Full Files S(Android 12) One UI 4.1 20220722140921
Samsung Galaxy S21 Ultra 5G ATT G998USQU5CVF8 5  2022-07-01  Full Files S(Android 12) One UI 4.1 20220706082801
Samsung Galaxy S21 Ultra 5G ATT G998USQU5CVF2 5  2022-06-01  Full Files S(Android 12) One UI 4.1 20220614101840
Samsung Galaxy S21 Ultra 5G ATT G998USQU5CVDL 5  2022-05-01  Full Files S(Android 12) One UI 4.1 20220524213710
Samsung Galaxy S21 Ultra 5G ATT G998USQU5CVDB 5  2022-05-01  Full Files S(Android 12) One UI 4.1 20220422073740
Samsung Galaxy S21 Ultra 5G ATT G998USQU5CVCC 5  2022-04-01  Full Files S(Android 12) One UI 4.1 20220325074720
Samsung Galaxy S21 Ultra 5G ATT G998USQS5BVA6 5  2022-02-01  Full Files S(Android 12) One UI 4 20220124190510
Samsung Galaxy S21 Ultra 5G ATT G998USQU5BULJ 5  2022-01-01  Full Files S(Android 12) One UI 4 20220103075431
Samsung Galaxy S21 Ultra 5G ATT G998USQS4BUKK 4  2021-12-01  Full Files S(Android 12) One UI 4 20211223200200
Samsung Galaxy S21 Ultra 5G ATT G998USQU4BUKF 4  2021-11-01  Full Files S(Android 12) One UI 4 20211123073931
Samsung Galaxy S21 Ultra 5G ATT G998USQU4BUK7 4  2021-11-01  Full Files S(Android 12) One UI 4 20211106082000
Samsung Galaxy S21 Ultra 5G ATT G998USQS4AUIN 4  Full Files R(Android 11) 20210930203758
Samsung Galaxy S21 Ultra 5G ATT G998USQU4AUI7 4  Full Files R(Android 11) 20210907114039
Samsung Galaxy S21 Ultra 5G ATT G998USQU4AUGZ 4  Full Files R(Android 11) 20210901134222
Samsung Galaxy S21 Ultra 5G ATT G998USQU4AUGQ 4  Full Files R(Android 11) 20210803091904
Samsung Galaxy S21 Ultra 5G ATT G998USQS4AUFD 4  Full Files R(Android 11) 20210622184138
Samsung Galaxy S21 Ultra 5G ATT G998USQU4AUF5 4  Full Files R(Android 11) 20210607100907
Samsung Galaxy S21 Ultra 5G ATT G998USQU3AUDB 3  Full Files R(Android 11) 20210428122106
Samsung Galaxy S21 Ultra 5G ATT G998USQU2AUCC 2  Full Files R(Android 11) 20210409174007
Samsung Galaxy S21 Ultra 5G ATT G998USQU2AUC8 2  Full Files R(Android 11) 20210320114335
Samsung Galaxy S21 Ultra 5G ATT G998USQU2AUB5 2  Full Files R(Android 11) 20210226173605
Samsung Galaxy S21 Ultra 5G ATT G998USQU1AUAJ 1  Full Files R(Android 11) 20210204092204
Samsung Galaxy S21 Ultra 5G ATT G998USQU1AUA4 1  Full Files R(Android 11) 20210109085333
Samsung Galaxy S21 Ultra 5G ATT G998USQU1ATLF 1  Full Files R(Android 11) 20201211091934
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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