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Samsung Galaxy S23 Ultra SM-S918B specifications Expand
Released 2023, February 17
234g, 8.9mm thickness
Android 13, One UI 5.1
128GB/256GB/1TB storage, no card slot

Samsung Galaxy S23 Ultra was announced at 2023, February 01 with Android 13, One UI 5.1, have chipset Qualcomm SM8550-AC Snapdragon 8 Gen 2 (4 nm) CPU Octa-core (1x3.36 GHz Cortex-X3 & 2x2.8 GHz Cortex-A715 & 2x2.8 GHz Cortex-A710 & 3x2.0 GHz Cortex-A510) and GPU Adreno 740. It have 256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM, 1TB 12GB RAM storage and there are colors: Phantom Black, Green, Cream, Lavender, Graphite, Sky Blue, Lime, Red, BMW M Edition

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, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71 - USA
5G
1, 7, 28, 41, 66, 71, 78, 258, 260, 261 SA/NSA/Sub6/mmWave - USA
Speed
HSPA, LTE-A (up to 7CA), 5G
TIMELINE
Announced
2023, February 01
Released
Released 2023, February 17
BODY
Dimensions
163.4 x 78.1 x 8.9 mm (6.43 x 3.07 x 0.35 in)
Weight
234 g (8.25 oz)
Build
Glass front (Gorilla Glass Victus 2), glass back (Gorilla Glass Victus 2), aluminum frame
SIM
Nano-SIM and eSIM or Dual SIM (2 Nano-SIMs and eSIM, dual stand-by)
DISPLAY
Type
Dynamic AMOLED 2X, 120Hz, HDR10+, 1200 nits (HBM), 1750 nits (peak)
Size
6.8 inches, 114.7 cm2 (~89.9% screen-to-body ratio)
Resolution
1440 x 3088 pixels (~500 ppi density)
Protection
Corning Gorilla Glass Victus 2
Always-on display
PLATFORM
OS
Android 13, One UI 5.1
Chipset
Qualcomm SM8550-AC Snapdragon 8 Gen 2 (4 nm)
CPU
Octa-core (1x3.36 GHz Cortex-X3 & 2x2.8 GHz Cortex-A715 & 2x2.8 GHz Cortex-A710 & 3x2.0 GHz Cortex-A510)
GPU
Adreno 740
MEMORY
Card slot
No
Internal
256GB 8GB RAM, 256GB 12GB RAM, 512GB 12GB RAM, 1TB 12GB RAM
UFS 4.0
MAIN CAMERA
Camera
200 MP, f/1.7, 24mm (wide), 1/1.3", 0.6µm, multi-directional PDAF, Laser AF, OIS
10 MP, f/4.9, 230mm (periscope telephoto), 1/3.52", 1.12µm, Dual Pixel PDAF, OIS, 10x optical zoom
10 MP, f/2.4, 70mm (telephoto), 1/3.52", 1.12µm, Dual Pixel PDAF, OIS, 3x optical zoom
12 MP, f/2.2, 13mm, 120˚ (ultrawide), 1/2.55", 1.4µm, Dual Pixel PDAF, Super Steady video
Features
LED flash, auto-HDR, panorama
Video
8K@24/30fps, 4K@30/60fps, 1080p@30/60/240fps, 1080p@960fps, HDR10+, stereo sound rec., gyro-EIS
FRONT CAMERA
Camera
12 MP, f/2.2, 26mm (wide), Dual Pixel PDAF
Features
Dual video call, Auto-HDR, HDR10+
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, tri-band, Wi-Fi Direct
Bluetooth
5.3, A2DP, LE
GPS
GPS, GLONASS, BDS, GALILEO
NFC
Yes
Radio
No
USB
USB Type-C 3.2, OTG
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
45W wired, PD3.0, 65% in 30 min (advertised)
15W wireless (Qi/PMA)
4.5W reverse wireless
MISC
Colors
Phantom Black, Green, Cream, Lavender, Graphite, Sky Blue, Lime, Red, BMW M Edition
SAR US
1.12 W/kg (head)     0.92 W/kg (body)    
SAR EU
0.96 W/kg (head)     1.40 W/kg (body)    
Performance
AnTuTu: 1241531 (v9)
GeekBench: 4927 (v5.1)
GFXBench: 67fps (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-S918B / Galaxy S23 Ultra SM-S918B 42

Device CSC Version Bit/SW REV.
Sec. Patch Lvl. 		Sec. Patch Lvl. OS / OneUI Build date
Samsung Galaxy S23 Ultra MXO S918BXXSAFZE1 A  2026-05-05  Full Files B(Android 16) One UI 8.5 20260519062640
Samsung Galaxy S23 Ultra MXO S918BXXU9FZDP 9  2026-04-05  Full Files B(Android 16) One UI 8.5 20260426102211
Samsung Galaxy S23 Ultra MXO S918BXXS9EZCI 9  2026-04-05  Full Files B(Android 16) 20260408052541
Samsung Galaxy S23 Ultra MXO S918BXXS9EZC1 9  2026-03-05  Full Files B(Android 16) 20260310002210
Samsung Galaxy S23 Ultra MXO S918BXXS9EZB6 9  2026-02-05  Full Files B(Android 16) 20260214195351
Samsung Galaxy S23 Ultra MXO S918BXXS8EZA1 8  2026-01-01  Full Files B(Android 16) 20260109015811
Samsung Galaxy S23 Ultra MXO S918BXXS8EYK5 8  2025-12-01  Full Files B(Android 16) 20251202233941
Samsung Galaxy S23 Ultra MXO S918BXXS8EYK2 8  2025-11-01  Full Files B(Android 16) 20251112202121
Samsung Galaxy S23 Ultra MXO S918BXXS8EYJ3 8  2025-10-01  Full Files B(Android 16) 20251024055221
Samsung Galaxy S23 Ultra MXO S918BXXU8EYI5 8  2025-09-01  Full Files B(Android 16) 20250913053510
Samsung Galaxy S23 Ultra MXO S918BXXS8DYI4 8  2025-09-01  Full Files V(Android 15) 20250911230641
Samsung Galaxy S23 Ultra MXO S918BXXS8DYG6 8  2025-08-01  Full Files V(Android 15) 20250802044140
Samsung Galaxy S23 Ultra MXO S918BXXS8DYG2 8  2025-07-01  Full Files V(Android 15) 20250707230611
Samsung Galaxy S23 Ultra MXO S918BXXS8DYF2 8  2025-06-01  Full Files V(Android 15) 20250611002510
Samsung Galaxy S23 Ultra MXO S918BXXS8DYDC 8  2025-05-01  Full Files V(Android 15) 20250520005310
Samsung Galaxy S23 Ultra MXO S918BXXU8DYDA 8  2025-04-01  Full Files V(Android 15) 20250418064610
Samsung Galaxy S23 Ultra MXO S918BXXS8CYBE 8  2025-03-01  Full Files U(Android 14) 20250311034211
Samsung Galaxy S23 Ultra MXO S918BXXU8CYB6 8  2025-02-01  Full Files U(Android 14) 20250225013041
Samsung Galaxy S23 Ultra MXO S918BXXS7CXL2 7  2025-01-01  Full Files U(Android 14) 20250113222741
Samsung Galaxy S23 Ultra MXO S918BXXS7CXK6 7  2024-12-01  Full Files U(Android 14) 20241207025111
Samsung Galaxy S23 Ultra MXO S918BXXU7CXK4 7  2024-11-01  Full Files U(Android 14) 20241114042411
Samsung Galaxy S23 Ultra MXO S918BXXS6CXI4 6  2024-10-01  Full Files U(Android 14) 20241011211640
Samsung Galaxy S23 Ultra MXO S918BXXU6CXI1 6  2024-09-01  Full Files U(Android 14) 20241002234141
Samsung Galaxy S23 Ultra MXO S918BXXS6CXG8 6  2024-08-01  Full Files U(Android 14) 20240731050410
Samsung Galaxy S23 Ultra MXO S918BXXS6CXFC 6  2024-07-01  Full Files U(Android 14) 20240708233711
Samsung Galaxy S23 Ultra MXO S918BXXS5CXE7 5  2024-06-01  Full Files U(Android 14) 20240605042801
Samsung Galaxy S23 Ultra MXO S918BXXS5CXDE 5  2024-05-01  Full Files U(Android 14) 20240518053230
Samsung Galaxy S23 Ultra MXO S918BXXS3CXD2 3  2024-04-01  Full Files U(Android 14) 20240405202540
Samsung Galaxy S23 Ultra MXO S918BXXU3CXCF 3  2024-03-01  Full Files U(Android 14) 20240321203720
Samsung Galaxy S23 Ultra MXO S918BXXS3BXC1 3  2024-03-01  Full Files U(Android 14) 20240312214210
Samsung Galaxy S23 Ultra MXO S918BXXS3BXB2 3  2024-02-01  Full Files U(Android 14) 20240209001013
Samsung Galaxy S23 Ultra MXO S918BXXS3BXA6 3  2024-01-01  Full Files U(Android 14) 20240119231340
Samsung Galaxy S23 Ultra MXO S918BXXS3BWL2 3  2023-12-01  Full Files U(Android 14) 20231216054321
Samsung Galaxy S23 Ultra MXO S918BXXU3BWK8 3  2023-11-01  Full Files U(Android 14) 20231117033041
Samsung Galaxy S23 Ultra MXO S918BXXS3AWJF 3  2023-10-01  Full Files T(Android 13) 20231019131240
Samsung Galaxy S23 Ultra MXO S918BXXS3AWI3 3  2023-09-01  Full Files T(Android 13) 20230908095230
Samsung Galaxy S23 Ultra MXO S918BXXU3AWH7 3  2023-08-01  Full Files T(Android 13) 20230814072901
Samsung Galaxy S23 Ultra MXO S918BXXS3AWF7 3  2023-07-01  Full Files T(Android 13) 20230717154120
Samsung Galaxy S23 Ultra MXO S918BXXU2AWF1 2  2023-06-01  Full Files T(Android 13) 20230703154340
Samsung Galaxy S23 Ultra MXO S918BXXU1AWC8 1  2023-04-01  Full Files T(Android 13) 20230404142320
Samsung Galaxy S23 Ultra MXO S918BXXU1AWBD 1  2023-02-01  Full Files T(Android 13) 20230215132521
Samsung Galaxy S23 Ultra MXO S918BXXU1AWA6 1  2023-01-01  Full Files T(Android 13) 20230107114110
Lastest combinations SM-S918B / Galaxy S23 Ultra SM-S918B
Device Version Bit/SW REV. FA Change list Updated
SM-S918B / Galaxy S23 Ultra S918BFAU3AWF1 3 FAT0 2024-07-13 17:22:38
All combinations
 How to flash Samsung SM-S918B / Galaxy S23 Ultra SM-S918B 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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