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Samsung Galaxy S21 Ultra 5G SM-G998B 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-G998B / Galaxy S21 Ultra 5G SM-G998B 51

Device CSC Version Bit/SW REV. Security Patch Lvl. OS Build date
Samsung Galaxy S21 Ultra 5G CHO G998BXXSDGXI6 D  2024-10-01  Full Files U(Android 14) 20241015015521
Samsung Galaxy S21 Ultra 5G CHO G998BXXSCGXH8 C  2024-09-01  Full Files U(Android 14) 20240917222311
Samsung Galaxy S21 Ultra 5G CHO G998BXXUCGXH5 C  2024-08-01  Full Files U(Android 14) 20240826225110
Samsung Galaxy S21 Ultra 5G CHO G998BXXSCGXF4 C  2024-07-01  Full Files U(Android 14) 20240628233910
Samsung Galaxy S21 Ultra 5G CHO G998BXXSBGXEC B  2024-06-01  Full Files U(Android 14) 20240606071741
Samsung Galaxy S21 Ultra 5G CHO G998BXXSBGXDH B  2024-05-01  Full Files U(Android 14) 20240516055101
Samsung Galaxy S21 Ultra 5G CHO G998BXXUAGXDA A  2024-04-01  Full Files U(Android 14) 20240426031610
Samsung Galaxy S21 Ultra 5G CHO G998BXXSAFXCL A  2024-04-01  Full Files U(Android 14) 20240401172510
Samsung Galaxy S21 Ultra 5G CHO G998BXXS9FXBD 9  2024-03-01  Full Files U(Android 14) 20240302010522
Samsung Galaxy S21 Ultra 5G CHO G998BXXS9FXAH 9  2024-02-01  Full Files U(Android 14) 20240130184511
Samsung Galaxy S21 Ultra 5G CHO G998BXXS9FWLC 9  2024-01-01  Full Files U(Android 14) 20240106002550
Samsung Galaxy S21 Ultra 5G CHO G998BXXS9FWKB 9  2023-12-01  Full Files U(Android 14) 20231202015610
Samsung Galaxy S21 Ultra 5G CHO G998BXXU9FWK2 9  2023-11-01  Full Files U(Android 14) 20231108094050
Samsung Galaxy S21 Ultra 5G CHO G998BXXS9EWJQ 9  2023-11-01  Full Files T(Android 13) 20231109070530
Samsung Galaxy S21 Ultra 5G CHO G998BXXS9EWJH 9  2023-10-01  Full Files T(Android 13) 20231021080020
Samsung Galaxy S21 Ultra 5G CHO G998BXXU9EWI7 9  2023-09-01  Full Files T(Android 13) 20230928233341
Samsung Galaxy S21 Ultra 5G CHO G998BXXS9EWI3 9  2023-09-01  Full Files T(Android 13) 20230915224442
Samsung Galaxy S21 Ultra 5G CHO G998BXXS9EWH1 9  2023-08-01  Full Files T(Android 13) 20230802102430
Samsung Galaxy S21 Ultra 5G CHO G998BXXS9EWF3 9  2023-07-01  Full Files T(Android 13) 20230626112630
Samsung Galaxy S21 Ultra 5G CHO G998BXXU8EWF1 8  2023-06-01  Full Files T(Android 13) 20230602161150
Samsung Galaxy S21 Ultra 5G CHO G998BXXS7EWE4 7  2023-05-01  Full Files T(Android 13) 20230519235811
Samsung Galaxy S21 Ultra 5G CHO G998BXXS7EWC4 7  2023-04-01  Full Files T(Android 13) 20230406010811
Samsung Galaxy S21 Ultra 5G CHO G998BXXS6EWBB 6  2023-03-01  Full Files T(Android 13) 20230308034041
Samsung Galaxy S21 Ultra 5G CHO G998BXXS6DWB1 6  2023-02-01  Full Files T(Android 13) 20230207211541
Samsung Galaxy S21 Ultra 5G CHO G998BXXU6EWAF 6  2023-02-01  Full Files T(Android 13) 20230215232316
Samsung Galaxy S21 Ultra 5G CHO G998BXXS5DWA4 5  2023-01-01  Full Files T(Android 13) 20230119233741
Samsung Galaxy S21 Ultra 5G CHO G998BXXU5DVKF 5  2022-12-01  Full Files T(Android 13) 20221206174110
Samsung Galaxy S21 Ultra 5G CHO G998BXXS5DVK1 5  2022-11-01  Full Files T(Android 13) 20221110160431
Samsung Galaxy S21 Ultra 5G CHO G998BXXU5DVJC 5  2022-10-01  Full Files T(Android 13) 20221024172920
Samsung Galaxy S21 Ultra 5G CHO G998BXXS5CVIF 5  2022-10-01  Full Files S(Android 12) 20220926100311
Samsung Galaxy S21 Ultra 5G CHO G998BXXS5CVHI 5  2022-09-01  Full Files S(Android 12) 20220830150730
Samsung Galaxy S21 Ultra 5G CHO G998BXXU5CVH7 5  2022-08-01  Full Files S(Android 12) 20220817133650
Samsung Galaxy S21 Ultra 5G CHO G998BXXU5CVGB 5  2022-08-01  Full Files S(Android 12) 20220721222541
Samsung Galaxy S21 Ultra 5G CHO G998BXXS5CVEA 5  2022-06-01  Full Files S(Android 12) 20220608015455
Samsung Galaxy S21 Ultra 5G CHO G998BXXU5CVDD 5  2022-05-01  Full Files S(Android 12) 20220425233931
Samsung Galaxy S21 Ultra 5G CHO G998BXXS4CVCG 4  2022-04-01  Full Files S(Android 12) 20220330141810
Samsung Galaxy S21 Ultra 5G CHO G998BXXU4CVC4 4  2022-03-01  Full Files S(Android 12) 20220309120220
Samsung Galaxy S21 Ultra 5G CHO G998BXXS4BVAA 4  2022-02-01  Full Files S(Android 12) 20220223104120
Samsung Galaxy S21 Ultra 5G CHO G998BXXU4BULF 4  2022-01-01  Full Files S(Android 12) 20211229193701
Samsung Galaxy S21 Ultra 5G CHO G998BXXU4BULF 4  2022-01-01  Full Files S(Android 12) 20220205024711
Samsung Galaxy S21 Ultra 5G CHO G998BXXU3BUK8 3  2021-11-01  Full Files S(Android 12) 20211106072930
Samsung Galaxy S21 Ultra 5G CHO G998BXXU3AUHB 3  2021-08-01  Full Files R(Android 11) 20210817171940
Samsung Galaxy S21 Ultra 5G CHO G998BXXU3AUGM 3  2021-08-01  Full Files R(Android 11) 20210730111340
Samsung Galaxy S21 Ultra 5G CHO G998BXXU3AUG4 3  2021-07-01  Full Files R(Android 11) 20210707151709
Samsung Galaxy S21 Ultra 5G CHO G998BXXU3AUF6 3  2021-06-01  Full Files R(Android 11) 20210613124841
Samsung Galaxy S21 Ultra 5G CHO G998BXXU2AUC8 2  2021-04-01  Full Files R(Android 11) 20210320150736
Samsung Galaxy S21 Ultra 5G CHO G998BXXS2AUBB 2  2021-03-01  Full Files R(Android 11) 20210224193235
Samsung Galaxy S21 Ultra 5G CHO G998BXXU1AUB9 1  2021-02-01  Full Files R(Android 11) 20210215215905
Samsung Galaxy S21 Ultra 5G CHO G998BXXU1AUAC 1  2021-01-01  Full Files R(Android 11) 20210125083834
Samsung Galaxy S21 Ultra 5G CHO G998BXXU1AUA4 1  2021-01-01  Full Files R(Android 11) 20210107124934
Samsung Galaxy S21 Ultra 5G CHO G998BXXU1ATLF 1  Full Files R(Android 11) 20201215132933
Lastest combinations SM-G998B / Galaxy S21 Ultra 5G SM-G998B
Device Version Bit/SW REV. FA Change list Updated
SM-G998B / Galaxy S21 Ultra 5G G998BXXU6AWA1 6 FAR0 CL25915284 2024-05-14 00:50:40
SM-G998B / Galaxy S21 Ultra 5G G998BXXU5AVD1 5 FAR0 CL24116285 2022-07-19 11:47:33
SM-G998B / Galaxy S21 Ultra 5G G998BXXU4AUL1 4 FAR0 CL23342155 2024-05-14 00:14:39
SM-G998B / Galaxy S21 Ultra 5G G998BXXU3AUD3 3 FAR0 CL21561395 2021-08-20 01:23:15
SM-G998B / Galaxy S21 Ultra 5G G998BXXU2AUD2 2 FAR0 CL21483477 2021-10-12 17:42:36
All combinations
 How to flash Samsung SM-G998B / Galaxy S21 Ultra 5G SM-G998B 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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