X115NKOUBDZI1 – Galaxy Tab A9 firmware
Build X115NKOUBDZI1 is a feature update for the Galaxy Tab A9 (SM-X115N)
on Android 16 (One UI 8). It first appeared on Samsung's servers on Oct 6, 2026 (method) and has reached
1 region so far. It keeps bootloader bit 11, so downgrading to the previous build X115NKOSBDZH3 is still possible. Samsung still serves this file.
- Model
- SM-X115N
- Android
- Android 16
- Type
- Feature
- Bootloader bit
- 11
- First released
- Oct 6, 2026
- Regions
- 1
Rollout timeline by region
The date each region code (CSC) first received X115NKOUBDZI1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
KOO | South Korea | Oct 6, 2026 | day 0 | X115NKOUBDZI1/X115NKOOBDZI1/X115NKOUBDZI1 |
Download and release notes
samloader download -m SM-X115N -r KOO -v X115NKOUBDZI1/X115NKOOBDZI1/X115NKOUBDZI1Samsung's release notes and security patch level for this update: SM-X115N / KOO on doc.samsungmobile.com. What each part of the build number means: decode X115NKOUBDZI1.