1. Home
  2. SM-G998B
  3. XID
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)
Buy on Amazon

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 54

Device CSC Version Bit/SW REV. Security Patch Lvl. OS Build date
Samsung Galaxy S21 Ultra 5G XID G998BXXSDGXI5 D  2024-10-01  Full Files U(Android 14) 20241010101221
Samsung Galaxy S21 Ultra 5G XID G998BXXSCGXH7 C  2024-09-01  Full Files U(Android 14) 20240829210611
Samsung Galaxy S21 Ultra 5G XID G998BXXUCGXGC C  2024-08-01  Full Files U(Android 14) 20240801134720
Samsung Galaxy S21 Ultra 5G XID G998BXXSCGXF4 C  2024-07-01  Full Files U(Android 14) 20240626191400
Samsung Galaxy S21 Ultra 5G XID G998BXXSBGXEC B  2024-06-01  Full Files U(Android 14) 20240605211551
Samsung Galaxy S21 Ultra 5G XID G998BXXSBGXDH B  2024-05-01  Full Files U(Android 14) 20240510140920
Samsung Galaxy S21 Ultra 5G XID G998BXXUAGXDA A  2024-04-01  Full Files U(Android 14) 20240424135640
Samsung Galaxy S21 Ultra 5G XID G998BXXSAFXCM A  2024-04-01  Full Files U(Android 14) 20240402155300
Samsung Galaxy S21 Ultra 5G XID G998BXXS9FXBE 9  2024-03-01  Full Files U(Android 14) 20240307153241
Samsung Galaxy S21 Ultra 5G XID G998BXXS9FXAK 9  2024-02-01  Full Files U(Android 14) 20240201015110
Samsung Galaxy S21 Ultra 5G XID G998BXXS9FWLA 9  2024-01-01  Full Files U(Android 14) 20240102214331
Samsung Galaxy S21 Ultra 5G XID G998BXXU9FWL3 9  2023-12-01  Full Files U(Android 14) 20231207213351
Samsung Galaxy S21 Ultra 5G XID G998BXXS9EWJO 9  2023-11-01  Full Files T(Android 13) 20231031182811
Samsung Galaxy S21 Ultra 5G XID G998BXXS9EWIA 9  2023-10-01  Full Files T(Android 13) 20231002182611
Samsung Galaxy S21 Ultra 5G XID G998BXXS9EWI1 9  2023-09-01  Full Files T(Android 13) 20230908165511
Samsung Galaxy S21 Ultra 5G XID G998BXXU9EWH5 9  2023-08-01  Full Files T(Android 13) 20230815114010
Samsung Galaxy S21 Ultra 5G XID G998BXXS9EWH1 9  2023-08-01  Full Files T(Android 13) 20230802195411
Samsung Galaxy S21 Ultra 5G XID G998BXXS9EWF3 9  2023-07-01  Full Files T(Android 13) 20230704124611
Samsung Galaxy S21 Ultra 5G XID G998BXXU8EWF1 8  2023-06-01  Full Files T(Android 13) 20230605191030
Samsung Galaxy S21 Ultra 5G XID G998BXXU7EWE6 7  2023-05-01  Full Files T(Android 13) 20230524154042
Samsung Galaxy S21 Ultra 5G XID G998BXXU7EWCH 7  2023-04-01  Full Files T(Android 13) 20230331120110
Samsung Galaxy S21 Ultra 5G XID G998BXXS6EWBB 6  2023-03-01  Full Files T(Android 13) 20230302160440
Samsung Galaxy S21 Ultra 5G XID G998BXXU6EWAF 6  2023-02-01  Full Files T(Android 13) 20230220135740
Samsung Galaxy S21 Ultra 5G XID G998BXXS5DWA4 5  2023-01-01  Full Files T(Android 13) 20230110181231
Samsung Galaxy S21 Ultra 5G XID G998BXXU5DVKF 5  2022-12-01  Full Files T(Android 13) 20221212191650
Samsung Galaxy S21 Ultra 5G XID G998BXXS5DVK1 5  2022-11-01  Full Files T(Android 13) 20221111175131
Samsung Galaxy S21 Ultra 5G XID G998BXXU5DVJC 5  2022-10-01  Full Files T(Android 13) 20221103180840
Samsung Galaxy S21 Ultra 5G XID G998BXXS5CVIF 5  2022-10-01  Full Files S(Android 12) 20220927184930
Samsung Galaxy S21 Ultra 5G XID G998BXXS5CVHI 5  2022-09-01  Full Files S(Android 12) 20220907105210
Samsung Galaxy S21 Ultra 5G XID G998BXXU5CVH7 5  2022-08-01  Full Files S(Android 12) 20220817212420
Samsung Galaxy S21 Ultra 5G XID G998BXXU5CVGB 5  2022-08-01  Full Files S(Android 12) 20220722113510
Samsung Galaxy S21 Ultra 5G XID G998BXXS5CVFB 5  2022-07-01  Full Files S(Android 12) 20220629100801
Samsung Galaxy S21 Ultra 5G XID G998BXXU5CVF2 5  2022-06-01  Full Files S(Android 12) 20220610130550
Samsung Galaxy S21 Ultra 5G XID G998BXXU5CVDD 5  2022-05-01  Full Files S(Android 12) 20220426174041
Samsung Galaxy S21 Ultra 5G XID G998BXXU4CVD2 4  2022-04-01  Full Files S(Android 12) 20220405134820
Samsung Galaxy S21 Ultra 5G XID G998BXXU4CVC4 4  2022-03-01  Full Files S(Android 12) 20220309174331
Samsung Galaxy S21 Ultra 5G XID G998BXXU4BVB1 4  2022-02-01  Full Files S(Android 12) 20220218093140
Samsung Galaxy S21 Ultra 5G XID G998BXXS4BVA8 4  2022-02-01  Full Files S(Android 12) 20220209160300
Samsung Galaxy S21 Ultra 5G XID G998BXXU4BULF 4  2022-01-01  Full Files S(Android 12) 20220104144530
Samsung Galaxy S21 Ultra 5G XID G998BXXS3BULC 3  2021-12-01  Full Files S(Android 12) 20211222190430
Samsung Galaxy S21 Ultra 5G XID G998BXXU3BUKG 3  2021-11-01  Full Files S(Android 12) 20211124222431
Samsung Galaxy S21 Ultra 5G XID G998BXXU3BUK8 3  2021-11-01  Full Files S(Android 12) 20211108205831
Samsung Galaxy S21 Ultra 5G XID G998BXXS3AUJ7 3  2021-11-01  Full Files R(Android 11) 20211025235336
Samsung Galaxy S21 Ultra 5G XID G998BXXU3AUIE 3  2021-10-01  Full Files R(Android 11) 20210915115129
Samsung Galaxy S21 Ultra 5G XID G998BXXS3AUHD 3  2021-09-01  Full Files R(Android 11) 20210906194945
Samsung Galaxy S21 Ultra 5G XID G998BXXU3AUHB 3  2021-08-01  Full Files R(Android 11) 20210820093907
Samsung Galaxy S21 Ultra 5G XID G998BXXU3AUGM 3  2021-08-01  Full Files R(Android 11) 20210730162535
Samsung Galaxy S21 Ultra 5G XID G998BXXU3AUG4 3  2021-07-01  Full Files R(Android 11) 20210707143038
Samsung Galaxy S21 Ultra 5G XID G998BXXU3AUF6 3  2021-06-01  Full Files R(Android 11) 20210614150738
Samsung Galaxy S21 Ultra 5G XID G998BXXU3AUE1 3  2021-05-01  Full Files R(Android 11) 20210503175737
Samsung Galaxy S21 Ultra 5G XID G998BXXU2AUC8 2  2021-04-01  Full Files R(Android 11) 20210322155306
Samsung Galaxy S21 Ultra 5G XID G998BXXS2AUBB 2  2021-03-01  Full Files R(Android 11) 20210225121105
Samsung Galaxy S21 Ultra 5G XID G998BXXU1AUB9 1  2021-02-01  Full Files R(Android 11) 20210216131805
Samsung Galaxy S21 Ultra 5G XID G998BXXU1AUAC 1  2021-01-01  Full Files R(Android 11) 20210125135305
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

Read more

Comment with us

I am so sorry! 😟

But please disable AdBlock. Because Samfw is Free. But we need money to keep server running. Ads is only benifit for keep Samfw running Free. Thank you!

👍 Understood. I turned it off ❓ How to disable AdBlock/AdBlockPlus? 👑 Upgrade to Premium membership with Ads free and special permissions
😔 I do not want to help
❌

How to disable AdBlock

Adblock / Adblock Plus   
  • Click AdBlock or AdBlock Plus icon at the browser menu.
  • Click Don't run on pages on this site. or Enabled on this site then press Exclude or Switch off BLOCK ADS ON