X356NKOU7CZE4 – Galaxy Tab Active5 Pro 5G firmware
Build X356NKOU7CZE4 is a feature update for the Galaxy Tab Active5 Pro 5G (SM-X356N)
on Android 16 (One UI 8). It first appeared on Samsung's servers on May 20, 2026 (method) and has reached
1 region so far. It keeps bootloader bit 7, so downgrading to the previous build X356NKOS7BZD3 is still possible. Samsung still serves this file.
- Model
- SM-X356N
- Android
- Android 16
- Type
- Feature
- Bootloader bit
- 7
- First released
- May 20, 2026
- Regions
- 1
Rollout timeline by region
The date each region code (CSC) first received X356NKOU7CZE4, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
KOO | South Korea | May 20, 2026 | day 0 | X356NKOU7CZE4/X356NKOO7CZE4/X356NKOU7CZE4 |
Download and release notes
samloader download -m SM-X356N -r KOO -v X356NKOU7CZE4/X356NKOO7CZE4/X356NKOU7CZE4Samsung's release notes and security patch level for this update: SM-X356N / KOO on doc.samsungmobile.com. What each part of the build number means: decode X356NKOU7CZE4.