Galaxy Tab S11 Ultra 5G SM-X936N updates & firmware
This page tracks every software update Samsung's update servers list for the Samsung Galaxy Tab S11 Ultra 5G (SM-X936N). The latest stable build is X936NKOU9CZJ5 (Android 17, feature update), first released on Oct 28, 2026. Samsung has published 12 stable builds for this model since Sep 16, 2025: 6 security and 6 feature updates, from Android 16 to Android 17. The current bootloader (binary) version is 9. A device on bit 9 only accepts firmware with bit 9 or higher – see downgrading and the bootloader bit.
Rollout: build X936NKOU9CZJ5 (Android 17 (One UI 9)) is live in all 1 regions, first released on Oct 28, 2026 in KOO (South Korea).
- Latest build
X936NKOU9CZJ5- Released
- Oct 28, 2026
- Android
- Android 17
- Bootloader bit
- 9
- Regions
- 1
- Stable builds
- 12
Update policy
Samsung promised 7 major Android upgrades and 7 years of security updates for the Galaxy Tab S11 Ultra 5G, counted from its launch in August 2025 with Android 16. That makes Android 23 the last major version and security updates continue until about August 2032. It is currently on Android 17 (One UI 9), so 6 major upgrades are still to come.
- OS upgrades promised
- 7
- Security updates
- 7 years
- Last major version
- Android 23
- Security support until
- August 2032
- Current version
- Android 17 (One UI 9)
- Status
- Supported
Source: Samsung. Samsung counts from the global launch and does not publish exact end dates; the dates above are launch month plus the promised years.
Compare all models: Samsung update policy by model.
Latest firmware by region (CSC)
Samsung builds firmware per region code (CSC). Pick the code that matches your device – it is shown under Settings › About phone › Software information › Service provider software version. Follow a code for its complete history.
| CSC | Region | Latest build | Android | Released | Builds |
|---|---|---|---|---|---|
KOO | South Korea | X936NKOU9CZJ5 | Android 17 | Oct 28, 2026 | 16 |
Firmware history (12 builds)
Every stable build (PDA version) Samsung has published for the SM-X936N, newest first. “Released” is the earliest date the build appeared on Samsung's servers in any region (how dates work). “pulled” means Samsung no longer serves the file for that build, usually because newer builds replaced it (details).
| Build (PDA) | Released | Android | Type | Bit | Regions | File |
|---|---|---|---|---|---|---|
X936NKOU9CZJ5 | Oct 28, 2026 | Android 17 | Feature | 9 | 1 | on server |
X936NKOS9BZI1 | Sep 17, 2026 | Android 16 | Security | 9 | 1 | on server |
X936NKOS8BZH4 | Sep 2, 2026 | Android 16 | Security | 8 | 1 | on server |
X936NKOS7BZG3 | Jul 22, 2026 | Android 16 | Security | 7 | 1 | on server |
X936NKOS6BZF4 | Jun 24, 2026 | Android 16 | Security | 6 | 1 | on server |
X936NKOU5BZE3 | May 20, 2026 | Android 16 | Feature | 5 | 1 | on server |
X936NKOS5AZB8 | Mar 5, 2026 | Android 16 | Security | 5 | 1 | on server |
X936NKOU4AZA7 | Feb 2, 2026 | Android 16 | Feature | 4 | 1 | on server |
X936NKOS3AYJ4 | Nov 17, 2025 | Android 16 | Security | 3 | 1 | on server |
X936NKOU2AYJ1 | Oct 19, 2025 | Android 16 | Feature | 2 | 1 | on server |
X936NKOU2AYI4 | Sep 29, 2025 | Android 16 | Feature | 2 | 1 | on server |
X936NKOU1AYHB | Sep 16, 2025 | Android 16 | Feature | 1 | 1 | on server |
Beta and test builds
Samsung's servers also list 4 beta build(s) for this model. They are not offered to regular users and are often removed after the next stable release.
| Build | Listed | File |
|---|---|---|
X936NKOU9ZZI2 | Sep 18, 2026 | pulled |
X936NKOU5ZZD7 | Apr 27, 2026 | pulled |
X936NKOU5ZZD1 | Apr 9, 2026 | pulled |
X936NKOU5ZZC3 | Mar 27, 2026 | pulled |
How to download SM-X936N firmware
We do not host firmware. Download it directly from Samsung's servers with a free open-source tool, for example samloader:
samloader download -m SM-X936N -r KOOReplace KOO with your region code. Step-by-step instructions, including a graphical alternative:
How to download Samsung firmware.
Changelog and security patch level
Samsung publishes the release notes for each update, including the security patch level, on its own site. They are listed per region – for example SM-X936N / KOO release notes on doc.samsungmobile.com. Each region page here links to the notes for that code. We don't show the patch level ourselves because Samsung's update servers don't report it (why).