Samsung SM-S918N Firmware Overview
What is the latest SM-S918N firmware?
S918NKSU8GZIF, released September 29, 2026 with Android 17. It is a feature update on bootloader binary 8. The archive holds 20 official builds across 4 regions (CSC). Each one is the full stock ROM (flash file) for Odin, not an OTA patch.
Is the Samsung SM-S918N still getting updates?
Yes. The newest build is from September 2026, and 4 of 4 regions already have a build from that month; the rest usually follow within a few weeks.
Which Android versions did it get?
The SM-S918N builds in the archive run Android 16 to 17. The earliest build we have for each version:
- Android 17: S918NKSU8GZIF (Sep 2026), 4 builds in total
- Android 16: S918NKSS8FZF1 (Jun 2026), 16 builds in total
Can I downgrade the SM-S918N firmware?
Only to builds with the same bootloader binary (the Bit column) or higher. All decodable builds in the archive share binary 8:
- Binary 8 — since Jun 2026
All SM-S918N firmware builds
| Build / PDA | Bit | Region (CSC) | Android | Date | Download Link |
|---|---|---|---|---|---|
|
S918NKSU8GZIF
Feature update
|
8 | KTC | 17 |
2026-09-29 | Download |
|
S918NKSU8GZIF
Feature update
|
8 | SKC | 17 |
2026-09-29 | Download |
|
S918NKSU8GZIF
Feature update
|
8 | LUC | 17 |
2026-09-29 | Download |
|
S918NKSU8GZIF
Feature update
|
8 | KOO | 17 |
2026-09-29 | Download |
|
S918NKSS8FZI1
Security update
|
8 | KTC | 16 |
2026-09-08 | Download |
|
S918NKSS8FZI1
Security update
|
8 | SKC | 16 |
2026-09-08 | Download |
|
S918NKSS8FZI1
Security update
|
8 | LUC | 16 |
2026-09-08 | Download |
|
S918NKSS8FZI1
Security update
|
8 | KOO | 16 |
2026-09-08 | Download |
|
S918NKSS8FZH2
Security update
|
8 | SKC | 16 |
2026-08-11 | Download |
|
S918NKSS8FZH2
Security update
|
8 | KOO | 16 |
2026-08-11 | Download |
|
S918NKSS8FZH2
Security update
|
8 | LUC | 16 |
2026-08-11 | Download |
|
S918NKSS8FZH2
Security update
|
8 | KTC | 16 |
2026-08-11 | Download |
|
S918NKSS8FZG1
Security update
|
8 | SKC | 16 |
2026-07-09 | Download |
|
S918NKSS8FZG1
Security update
|
8 | KTC | 16 |
2026-07-09 | Download |
|
S918NKSS8FZG1
Security update
|
8 | LUC | 16 |
2026-07-09 | Download |
|
S918NKSS8FZG1
Security update
|
8 | KOO | 16 |
2026-07-09 | Download |
|
S918NKSS8FZF1
Security update
|
8 | SKC | 16 |
2026-06-12 | Download |
|
S918NKSS8FZF1
Security update
|
8 | KOO | 16 |
2026-06-12 | Download |
|
S918NKSS8FZF1
Security update
|
8 | LUC | 16 |
2026-06-12 | Download |
|
S918NKSS8FZF1
Security update
|
8 | KTC | 16 |
2026-06-12 | Download |
Latest SM-S918N Firmware by Region
The newest build for each region (CSC) code. Not sure which region your phone uses? See the CSC code guide.
| Region | Latest build | Bit | Android | Date |
|---|---|---|---|---|
| KOO | S918NKSU8GZIF | 8 | 17 | 2026-09-29 |
| KTC | S918NKSU8GZIF | 8 | 17 | 2026-09-29 |
| LUC | S918NKSU8GZIF | 8 | 17 | 2026-09-29 |
| SKC | S918NKSU8GZIF | 8 | 17 | 2026-09-29 |
How to Flash SM-S918N Firmware
Put the Samsung SM-S918N into Download Mode, load the BL, AP, CP and CSC files into Odin on a Windows PC and press Start. Pick a build with Bit 8 or higher if your phone is already on the latest firmware. Use HOME_CSC to keep your data, CSC for a full wipe.