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Samsung Galaxy S21 Ultra SM-G998N 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 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-G998N / Galaxy S21 Ultra SM-G998N 45

Device CSC Version Bit/SW REV. Security Patch Lvl. OS Build date
Samsung Galaxy S21 Ultra KTC G998NKSS6GXI2 6  Full Files U(Android 14) 20240909092440
Samsung Galaxy S21 Ultra KTC G998NKSS6GXGJ 6  2024-08-01  Full Files U(Android 14) 20240806123031
Samsung Galaxy S21 Ultra KTC G998NKSS6GXG2 6  2024-07-01  Full Files U(Android 14) 20240715091941
Samsung Galaxy S21 Ultra KTC G998NKSS5GXF1 5  2024-06-01  Full Files U(Android 14) 20240605131210
Samsung Galaxy S21 Ultra KTC G998NKSS5GXE1 5  2024-05-01  Full Files U(Android 14) 20240513232721
Samsung Galaxy S21 Ultra KTC G998NKSU4GXDC 4  2024-04-01  Full Files U(Android 14) 20240423210150
Samsung Galaxy S21 Ultra KTC G998NKSU4FXD3 4  2024-04-01  Full Files U(Android 14) 20240408111430
Samsung Galaxy S21 Ultra KTC G998NKSS4FXAD 4  2024-02-01  Full Files U(Android 14) 20240205150200
Samsung Galaxy S21 Ultra KTC G998NKSU4FWK7 4  2023-11-01  Full Files U(Android 14) 20231202102140
Samsung Galaxy S21 Ultra KTC G998NKSS4EWK2 4  2023-10-01  Full Files T(Android 13) 20231113164710
Samsung Galaxy S21 Ultra KTC G998NKSU4EWH5 4  2023-08-01  Full Files T(Android 13) 20230810090750
Samsung Galaxy S21 Ultra KTC G998NKSU4EWE9 4  2023-06-01  Full Files T(Android 13) 20230602100050
Samsung Galaxy S21 Ultra KTC G998NKSU4EWCI 4  2023-04-01  Full Files T(Android 13) 20230406173651
Samsung Galaxy S21 Ultra KTC G998NKSU3EWB1 3  2023-02-01  Full Files T(Android 13) 20230210104850
Samsung Galaxy S21 Ultra KTC G998NKSU3DVL2 3  2022-12-01  Full Files T(Android 13) 20221206083730
Samsung Galaxy S21 Ultra KTC G998NKSU3DVKC 3  2022-11-01  Full Files T(Android 13) 20221117080550
Samsung Galaxy S21 Ultra KTC G998NKSU3DVJC 3  2022-10-01  Full Files T(Android 13) 20221024170500
Samsung Galaxy S21 Ultra KTC G998NKSS3CVI3 3  2022-09-01  Full Files S(Android 12) 20220917071250
Samsung Galaxy S21 Ultra KTC G998NKSU3CVH7 3  2022-08-01  Full Files S(Android 12) 20220812125141
Samsung Galaxy S21 Ultra KTC G998NKSU3CVGB 3  2022-08-01  Full Files S(Android 12) 20220722011021
Samsung Galaxy S21 Ultra KTC G998NKSU3CVF2 3  2022-06-01  Full Files S(Android 12) 20220607230541
Samsung Galaxy S21 Ultra KTC G998NKSU3CVEB 3  2022-06-01  Full Files S(Android 12) 20220526131520
Samsung Galaxy S21 Ultra KTC G998NKSU3CVE1 3  2022-05-01  Full Files S(Android 12) 20220503073841
Samsung Galaxy S21 Ultra KTC G998NKSU3CVC5 3  2022-03-01  Full Files S(Android 12) 20220316071540
Samsung Galaxy S21 Ultra KTC G998NKSU3CVC5 3  2022-03-01  Full Files S(Android 12) 20220404193130
Samsung Galaxy S21 Ultra KTC G998NKSU3BVA2 3  2022-01-01  Full Files S(Android 12) 20220204074120
Samsung Galaxy S21 Ultra KTC G998NKSU3BULF 3  2022-01-01  Full Files S(Android 12) 20220108074020
Samsung Galaxy S21 Ultra KTC G998NKSS3BULC 3  2021-11-01  Full Files S(Android 12) 20211223032401
Samsung Galaxy S21 Ultra KTC G998NKSU3BUKG 3  2021-11-01  Full Files S(Android 12) 20211124072131
Samsung Galaxy S21 Ultra KTC G998NKSU3BUK9 3  2021-11-01  Full Files S(Android 12) 20211113074200
Samsung Galaxy S21 Ultra KTC G998NKSS3AUIN 3  2021-10-01  Full Files R(Android 11) 20211001060035
Samsung Galaxy S21 Ultra KTC G998NKSS3AUIN 3  2021-10-01  Full Files R(Android 11) 20211115175501
Samsung Galaxy S21 Ultra KTC G998NKSU3AUIG 3  2021-10-01  Full Files R(Android 11) 20210916123011
Samsung Galaxy S21 Ultra KTC G998NKSU3AUHB 3  2021-08-01  Full Files R(Android 11) 20210818070835
Samsung Galaxy S21 Ultra KTC G998NKSU3AUGM 3  2021-08-01  Full Files R(Android 11) 20210730154204
Samsung Galaxy S21 Ultra KTC G998NKSU3AUF6 3  2021-06-01  Full Files R(Android 11) 20210726181137
Samsung Galaxy S21 Ultra KTC G998NKSU3AUE8 3  2021-06-01  Full Files R(Android 11) 20210522074437
Samsung Galaxy S21 Ultra KTC G998NKSU3AUDA 3  2021-05-01  Full Files R(Android 11) 20210506200837
Samsung Galaxy S21 Ultra KTC G998NKSU2AUC8 2  2021-04-01  Full Files R(Android 11) 20210410084736
Samsung Galaxy S21 Ultra KTC G998NKSS2AUBB 2  2021-03-01  Full Files R(Android 11) 20210224185535
Samsung Galaxy S21 Ultra KTC G998NKSU1AUB9 1  2021-02-01  Full Files R(Android 11) 20210215191205
Samsung Galaxy S21 Ultra KTC G998NKSU1AUB2 1  2021-02-01  Full Files R(Android 11) 20210204074705
Samsung Galaxy S21 Ultra KTC G998NKSU1AUAB 1  2021-01-01  Full Files R(Android 11) 20210125074104
Samsung Galaxy S21 Ultra KTC G998NKSU1AUA8 1  2021-01-01  Full Files R(Android 11) 20210121082404
Samsung Galaxy S21 Ultra KTC G998NKSU1AUA4 1  2021-01-01  Full Files R(Android 11) 20210107090035
Lastest combinations SM-G998N / Galaxy S21 Ultra SM-G998N

We are working hard to figure it out

You can request or contribute combination for this model to Telegram group

 How to flash Samsung SM-G998N / Galaxy S21 Ultra SM-G998N 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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