Samsung Galaxy Tab A9 (SM-X115N) Firmware Overview
What is the latest SM-X115N firmware?
X115NKOUBDZI1, released September 28, 2026 with Android 16. It is a feature update on bootloader binary 11. The archive holds 10 official builds across 1 region (CSC). Each one is the full stock ROM (flash file) for Odin, not an OTA patch.
Is the Samsung Galaxy Tab A9 still getting updates?
Yes. The newest build is from September 2026.
Which Android versions did it get?
The SM-X115N builds in the archive run Android 15 to 16. The earliest build we have for each version:
- Android 16: X115NKOU6DYK3 (Nov 2025), 6 builds in total
- Android 15: X115NKOU4CYE5 (May 2025), 3 builds in total
Can I downgrade the SM-X115N firmware?
Only to builds with the same bootloader binary (the Bit column) or higher. In the archive the binary of this model rose from 4 to 11:
- Binary 11 — since Aug 2026
- Binary 10 — since May 2026
- Binary 9 — since Feb 2026
- Binary 8 — since Jan 2026
- Binary 7 — since Dec 2025
- Binary 6 — since Sep 2025
- Binary 5 — since Jul 2025
- Binary 4 — since May 2025
A phone already on binary 11 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 11 build. How to read a build number.
All SM-X115N firmware builds
| Build / PDA | Bit | Region (CSC) | Android | Date | Download Link |
|---|---|---|---|---|---|
|
X115NKOUBDZI1
Feature update
|
11 | KOO | 16 |
2026-09-28 | Download |
|
X115NKOSBDZH3
Security update
|
11 | KOO | 16 |
2026-08-13 | Download |
|
X115NKOS9DZB6
Security update
|
9 | KOO | 16 |
2026-02-19 | Download |
|
X115NKOS8DZA6
Security update
|
8 | KOO | 16 |
2026-01-19 | Download |
|
X115NKOS7DYL2
Security update
|
7 | KOO | 16 |
2025-12-09 | Download |
|
X115NKOU6DYK3
Feature update
|
6 | KOO | 16 |
2025-11-05 | Download |
|
X115NKOS6CYI2
Security update
|
6 | KOO | 15 |
2025-09-30 | Download |
|
X115NKOS5CYG2
Security update
|
5 | KOO | 15 |
2025-07-10 | Download |
|
X115NKOU4CYE5
Feature update
|
4 | KOO | 15 |
2025-05-19 | Download |
|
X115NKOSADZE4
Security update
|
10 | KOO | — |
N/A | Download |
How to Flash SM-X115N Firmware
Put the Samsung Galaxy Tab A9 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 11 or higher if your phone is already on the latest firmware. Use HOME_CSC to keep your data, CSC for a full wipe.