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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 30

Device CSC Version Bit/SW REV. Security Patch Lvl. OS Build date
Samsung Galaxy S21 Ultra 5G CPA G998BXXSDGXI6 D  2024-10-01  Full Files U(Android 14) 20241015015611
Samsung Galaxy S21 Ultra 5G CPA G998BXXUCGXH5 C  2024-08-01  Full Files U(Android 14) 20240826223240
Samsung Galaxy S21 Ultra 5G CPA G998BXXSCGXF4 C  2024-07-01  Full Files U(Android 14) 20240628234440
Samsung Galaxy S21 Ultra 5G CPA G998BXXSBGXE4 B  2024-05-01  Full Files U(Android 14) 20240516054741
Samsung Galaxy S21 Ultra 5G CPA G998BXXUAGXDA A  2024-04-01  Full Files U(Android 14) 20240420004920
Samsung Galaxy S21 Ultra 5G CPA G998BXXS9FXAH 9  2024-02-01  Full Files U(Android 14) 20240201070421
Samsung Galaxy S21 Ultra 5G CPA G998BXXU9FWK2 9  2023-11-01  Full Files U(Android 14) 20231125081540
Samsung Galaxy S21 Ultra 5G CPA G998BXXS9EWJQ 9  2023-11-01  Full Files T(Android 13) 20231109065431
Samsung Galaxy S21 Ultra 5G CPA G998BXXU9EWI7 9  2023-09-01  Full Files T(Android 13) 20230928225250
Samsung Galaxy S21 Ultra 5G CPA G998BXXS9EWI3 9  2023-09-01  Full Files T(Android 13) 20230919055711
Samsung Galaxy S21 Ultra 5G CPA G998BXXU8EWF1 8  2023-06-01  Full Files T(Android 13) 20230616215321
Samsung Galaxy S21 Ultra 5G CPA G998BXXU7EWCH 7  2023-04-01  Full Files T(Android 13) 20230418235300
Samsung Galaxy S21 Ultra 5G CPA G998BXXU6EWAF 6  2023-02-01  Full Files T(Android 13) 20230210214240
Samsung Galaxy S21 Ultra 5G CPA G998BXXS6DWA6 6  2023-01-01  Full Files T(Android 13) 20230126004921
Samsung Galaxy S21 Ultra 5G CPA G998BXXU5DVL2 5  2022-12-01  Full Files T(Android 13) 20230110020512
Samsung Galaxy S21 Ultra 5G CPA G998BXXS5DVK1 5  2022-11-01  Full Files T(Android 13) 20221125193510
Samsung Galaxy S21 Ultra 5G CPA G998BXXU5DVJC 5  2022-10-01  Full Files T(Android 13) 20221117215141
Samsung Galaxy S21 Ultra 5G CPA G998BXXS5CVIF 5  2022-10-01  Full Files S(Android 12) 20221007225711
Samsung Galaxy S21 Ultra 5G CPA G998BXXU5CVH7 5  2022-08-01  Full Files S(Android 12) 20220909235850
Samsung Galaxy S21 Ultra 5G CPA G998BXXU5CVGC 5  2022-08-01  Full Files S(Android 12) 20220803062731
Samsung Galaxy S21 Ultra 5G CPA G998BXXU5CVDD 5  2022-05-01  Full Files S(Android 12) 20220507042150
Samsung Galaxy S21 Ultra 5G CPA G998BXXU4CVC4 4  2022-03-01  Full Files S(Android 12) 20220322025321
Samsung Galaxy S21 Ultra 5G CPA G998BXXU4BULF 4  2022-01-01  Full Files S(Android 12) 20220118032400
Samsung Galaxy S21 Ultra 5G CPA G998BXXU3AUIE 3  2021-10-01  Full Files R(Android 11) 20210925124410
Samsung Galaxy S21 Ultra 5G CPA G998BXXU3AUHB 3  2021-08-01  Full Files R(Android 11) 20210819165034
Samsung Galaxy S21 Ultra 5G CPA G998BXXU3AUE1 3  2021-05-01  Full Files R(Android 11) 20210503154836
Samsung Galaxy S21 Ultra 5G CPA G998BXXU2AUC8 2  2021-04-01  Full Files R(Android 11) 20210322111305
Samsung Galaxy S21 Ultra 5G CPA G998BXXU1AUB9 1  2021-02-01  Full Files R(Android 11) 20210219150806
Samsung Galaxy S21 Ultra 5G CPA G998BXXU1AUA4 1  2021-01-01  Full Files R(Android 11) 20210108111504
Samsung Galaxy S21 Ultra 5G CPA G998BXXU1ATLF 1  Full Files R(Android 11) 20201215153835
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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