SM-S918N firmware – Samsung Galaxy S23 Ultra | SamFrewPhone · Samsung Galaxy S23 Ultra
SM-S918N firmware
Stock firmware and official updates for the Samsung Galaxy S23 Ultra (SM-S918N), by region.
- Model code
- SM-S918N
- Released
- Feb 2023
- Latest build
- S918NKSU8GZIF
- Newest Android
- Android 17
- Regions
- 4 CSCs · 1 countries
Update policyMonthly security updatesOn Samsung's current security update list
Security updates untilJan 31, 2028As published by Samsung
Latest firmwareAndroid 17S918NKSU8GZIF · built Sep 28, 2026
South Korea KTCBuilds in our firmware catalog, newest first.
S918NKSU8GZIFAndroidAndroid 17BuiltSep 28, 2026Regions4 CSCs
S918NKSS8FZI1AndroidAndroid 16BuiltSep 7, 2026Regions4 CSCs
S918NKSS8FZH2AndroidAndroid 16BuiltAug 11, 2026Regions4 CSCs
S918NKSS8FZG1AndroidAndroid 16
Taken from the SM-S918B; this model can differ (chipset, network bands).
Display
- Display size
- 173.1mm (6.8" full rectangle) / 172.5mm (6.8" rounded corners)
- Resolution
- 3088 x 1440 (Quad HD+)
- Display type
- Dynamic AMOLED 2X
- Refresh rate
- 120 Hz
Platform
- CPU speed
- 3.36GHz, 2.8GHz, 2GHz
- CPU cores
- Octa-Core
Memory
- RAM
- 12 GB
- Storage
- 256 GB
Camera
- Rear camera
- 200.0 MP + 10.0 MP + 12.0 MP + 10.0 MP
- Rear camera aperture
- F1.7 , F4.9 , F2.2 , F2.4
- Front camera
- 12.0 MP
- Video recording
- UHD 8K (7680 x 4320) @30fps
Battery
- Battery
- 5000 mAh
- Talk time
- Up to 49
Build
AndroidAndroid 17
Security patch—
BuiltSep 28, 2026
BuiltJul 8, 2026
Regions4 CSCs
S918NKSS8FZF1AndroidAndroid 16BuiltJun 11, 2026Regions4 CSCs
S918NKSU7FZDTAndroidAndroid 16BuiltMay 7, 2026Regions4 CSCs
S918NKSS7EZCIAndroidAndroid 16BuiltMar 30, 2026Regions4 CSCs
S918NKSS7EZC2AndroidAndroid 16BuiltMar 10, 2026Regions4 CSCs
S918NKSS7EZB2AndroidAndroid 16BuiltFeb 13, 2026Regions4 CSCs
S918NKSS6EZA1AndroidAndroid 16BuiltJan 7, 2026Regions4 CSCs
S918NKSS6EYL1AndroidAndroid 16BuiltDec 2, 2025Regions4 CSCs
S918NKSS6EYK3AndroidAndroid 16BuiltNov 7, 2025Regions4 CSCs
S918NKSS6EYJ7AndroidAndroid 16BuiltOct 22, 2025Regions4 CSCs
S918NKSS6EYI9AndroidAndroid 16BuiltSep 26, 2025Regions2 CSCs
S918NKSU6EYI7AndroidAndroid 16BuiltSep 12, 2025Regions4 CSCs
S918NKSS6DYG8AndroidAndroid 15BuiltJul 29, 2025Regions4 CSCs
S918NKSS6DYG1AndroidAndroid 15BuiltJul 2, 2025Regions4 CSCs
S918NKSS6DYE5AndroidAndroid 15BuiltMay 30, 2025Regions4 CSCs
S918NKSS6DYE1AndroidAndroid 15BuiltMay 9, 2025Regions4 CSCs
S918NKSU6DYD9AndroidAndroid 15BuiltApr 15, 2025Regions4 CSCs
S918NKSS6CYB3AndroidAndroid 14BuiltFeb 26, 2025Regions4 CSCs
S918NKSU5CYB1AndroidAndroid 14BuiltFeb 4, 2025Regions4 CSCs
S918NKSS5CXLSAndroidAndroid 14BuiltDec 31, 2024Regions4 CSCs
S918NKSS5CXKAAndroidAndroid 14BuiltNov 27, 2024Regions4 CSCs
S918NKSU5CXK4AndroidAndroid 14BuiltNov 8, 2024Regions4 CSCs
S918NKSS4CXJ1AndroidAndroid 14BuiltSep 30, 2024Regions4 CSCs
S918NKSU4CXI1AndroidAndroid 14BuiltSep 21, 2024Regions4 CSCs
S918NKSU4CXH7AndroidAndroid 14BuiltAug 23, 2024Regions3 CSCs
S918NKSS4CXGJAndroidAndroid 14BuiltAug 1, 2024Regions4 CSCs
S918NKSS4CXG4AndroidAndroid 14BuiltJul 4, 2024Regions4 CSCs
S918NKSS3CXE4AndroidAndroid 14BuiltMay 30, 2024Regions4 CSCs
S918NKSS3CXE1AndroidAndroid 14BuiltMay 7, 2024Regions4 CSCs
S918NKSS2CXD5AndroidAndroid 14BuiltApr 12, 2024Regions4 CSCs
S918NKSU2CXCGAndroidAndroid 14BuiltMar 27, 2024Regions4 CSCs
S918NKSS2BXAFAndroidAndroid 14BuiltFeb 1, 2024Regions4 CSCs
S918NKSU2BWK7AndroidAndroid 14BuiltNov 10, 2023Regions4 CSCs
S918NKSU2AWGJAndroidAndroid 13BuiltJul 28, 2023Regions4 CSCs
S918NKSU2AWF5AndroidAndroid 13BuiltJun 21, 2023Regions4 CSCs
S918NKSU1AWC8AndroidAndroid 13BuiltMar 24, 2023Regions4 CSCs
S918NKSU1AWBDAndroidAndroid 13BuiltFeb 14, 2023Regions4 CSCs
Connectivity
- Wi-Fi
- 802.11 a/b/g/n/ac/ax 2.4G+5GHz+6GHz, HE160, MIMO, 1024-QAM
- Bluetooth
- Bluetooth v5.3
- NFC
- Yes
- USB
- USB 3.2 Gen 1
- Positioning
- GPS, Glonass, Beidou, Galileo, QZSS
Software
- Security updates until
- 31 January 2028
