Samsung Galaxy S26+ (SM-S947N) Firmware Overview
What is the latest SM-S947N firmware?
S947NKSU5BZJB, released October 16, 2026 with Android 17. It is a feature update on bootloader binary 5. The archive holds 24 official builds across 4 regions (CSC). Each one is the full stock ROM (flash file) for Odin, not an OTA patch.
Is the Samsung Galaxy S26+ still getting updates?
Yes. The newest build is from October 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-S947N builds in the archive run Android 16 to 17. The earliest build we have for each version:
- Android 17: S947NKSU4BZI6 (Sep 2026), 12 builds in total
- Android 16: S947NKSS2AZE1 (May 2026), 12 builds in total
Can I downgrade the SM-S947N firmware?
Only to builds with the same bootloader binary (the Bit column) or higher. In the archive the binary of this model rose from 2 to 5:
- Binary 5 — since Oct 2026
- Binary 4 — since Jul 2026
- Binary 3 — since Jun 2026
- Binary 2 — since May 2026
A phone already on binary 5 rejects builds with a lower binary in Odin ("SW REV CHECK FAIL"), so it can go back to an earlier Android version only if that version has a binary 5 build. How to read a build number.
All SM-S947N firmware builds
| Build / PDA | Bit | Region (CSC) | Android | Date | Download Link |
|---|---|---|---|---|---|
|
S947NKSU5BZJB
Feature update
|
5 | KTC | 17 |
2026-10-16 | Download |
|
S947NKSU5BZJB
Feature update
|
5 | LUC | 17 |
2026-10-16 | Download |
|
S947NKSU5BZJB
Feature update
|
5 | KOO | 17 |
2026-10-16 | Download |
|
S947NKSU5BZJB
Feature update
|
5 | SKC | 17 |
2026-10-16 | Download |
|
S947NKSS4BZIG
Security update
|
4 | SKC | 17 |
2026-09-23 | Download |
|
S947NKSS4BZIG
Security update
|
4 | KOO | 17 |
2026-09-23 | Download |
|
S947NKSS4BZIG
Security update
|
4 | KTC | 17 |
2026-09-23 | Download |
|
S947NKSS4BZIG
Security update
|
4 | LUC | 17 |
2026-09-23 | Download |
|
S947NKSU4BZI6
Feature update
|
4 | KOO | 17 |
2026-09-07 | Download |
|
S947NKSU4BZI6
Feature update
|
4 | KTC | 17 |
2026-09-07 | Download |
|
S947NKSU4BZI6
Feature update
|
4 | LUC | 17 |
2026-09-07 | Download |
|
S947NKSU4BZI6
Feature update
|
4 | SKC | 17 |
2026-09-07 | Download |
|
S947NKSS4AZHA
Security update
|
4 | SKC | 16 |
2026-08-14 | Download |
|
S947NKSS4AZHA
Security update
|
4 | KTC | 16 |
2026-08-14 | Download |
|
S947NKSS4AZHA
Security update
|
4 | LUC | 16 |
2026-08-14 | Download |
|
S947NKSS4AZHA
Security update
|
4 | KOO | 16 |
2026-08-14 | Download |
|
S947NKSS4AZG5
Security update
|
4 | KOO | 16 |
2026-07-06 | Download |
|
S947NKSS4AZG5
Security update
|
4 | LUC | 16 |
2026-07-06 | Download |
|
S947NKSS4AZG5
Security update
|
4 | KTC | 16 |
2026-07-06 | Download |
|
S947NKSS4AZG5
Security update
|
4 | SKC | 16 |
2026-07-06 | Download |
|
S947NKSS3AZF1
Security update
|
3 | KOO | 16 |
2026-06-01 | Download |
|
S947NKSS3AZF1
Security update
|
3 | LUC | 16 |
2026-06-01 | Download |
|
S947NKSS3AZF1
Security update
|
3 | KTC | 16 |
2026-06-01 | Download |
|
S947NKSS2AZE1
Security update
|
2 | SKC | 16 |
2026-05-11 | Download |
Latest SM-S947N 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 | S947NKSU5BZJB | 5 | 17 | 2026-10-16 |
| KTC | S947NKSU5BZJB | 5 | 17 | 2026-10-16 |
| LUC | S947NKSU5BZJB | 5 | 17 | 2026-10-16 |
| SKC | S947NKSU5BZJB | 5 | 17 | 2026-10-16 |
How to Flash SM-S947N Firmware
Put the Samsung Galaxy S26+ 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 5 or higher if your phone is already on the latest firmware. Use HOME_CSC to keep your data, CSC for a full wipe.