X736NKOU9CZJ5 – Galaxy Tab S11 5G firmware
Build X736NKOU9CZJ5 is a feature update for the Galaxy Tab S11 5G (SM-X736N)
on Android 17 (One UI 9). It first appeared on Samsung's servers on Oct 28, 2026 (method) and has reached
1 region so far. It keeps bootloader bit 9, so downgrading to the previous build X736NKOS9BZI1 is still possible. Samsung still serves this file.
- Model
- SM-X736N
- Android
- Android 17
- Type
- Feature
- Bootloader bit
- 9
- First released
- Oct 28, 2026
- Regions
- 1
Rollout timeline by region
The date each region code (CSC) first received X736NKOU9CZJ5, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
KOO | South Korea | Oct 28, 2026 | day 0 | X736NKOU9CZJ5/X736NKOO9CZJ5/X736NKOU9CZJ5 |
Download and release notes
samloader download -m SM-X736N -r KOO -v X736NKOU9CZJ5/X736NKOO9CZJ5/X736NKOU9CZJ5Samsung's release notes and security patch level for this update: SM-X736N / KOO on doc.samsungmobile.com. What each part of the build number means: decode X736NKOU9CZJ5.