Galaxy Tab A11 SM-X133 updates & firmware
This page tracks every software update Samsung's update servers list for the Samsung Galaxy Tab A11 (SM-X133). The latest stable build is X133DXS5BZI5 (Android 16, security update), first released on Oct 1, 2026. Samsung has published 24 stable builds for this model since Aug 28, 2025: 15 security and 9 feature updates, from Android 15 to Android 16. The current bootloader (binary) version is 5. A device on bit 5 only accepts firmware with bit 5 or higher – see downgrading and the bootloader bit.
Rollout: build X133DXS5BZI5 (Android 16 (One UI 8)) is live in 1 of 11 regions, first released on Oct 1, 2026 in XJP (Japan). Still waiting: BKD, EGY, INS, KOO, MWD, MXO, XID, XSG, XSP, ZTO. In India (INS) the latest official firmware (flash file) is X133DXS5BZI4 from Sep 28, 2026.
- Latest build
X133DXS5BZI5- Released
- Oct 1, 2026
- Android
- Android 16
- Bootloader bit
- 5
- Regions
- 13
- Stable builds
- 24
Update policy
Samsung promised 7 major Android upgrades and 7 years of security updates for the Galaxy Tab A11, counted from its launch in August 2025 with Android 15. That makes Android 22 the last major version and security updates continue until about August 2032. It is currently on Android 16 (One UI 8), so 6 major upgrades are still to come.
- OS upgrades promised
- 7
- Security updates
- 7 years
- Last major version
- Android 22
- Security support until
- August 2032
- Current version
- Android 16 (One UI 8)
- 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 |
|---|---|---|---|---|---|
BKD | Bangladesh | X133DXS5BZI4 | Android 16 | Sep 28, 2026 | 10 |
BRI | Taiwan | X133DXS5BZI3 | Android 16 | Oct 14, 2026 | 10 |
EGY | Egypt | X133DXS5BZI3 | Android 16 | Sep 27, 2026 | 11 |
INS | India | X133DXS5BZI4 | Android 16 | Sep 28, 2026 | 10 |
KOO | South Korea | X133DXS5BZI3 | Android 16 | Sep 21, 2026 | 10 |
MWD | Morocco | X133DXS5BZI3 | Android 16 | Sep 27, 2026 | 3 |
MXO | Mexico | X133DXS5BZI3 | Android 16 | Sep 28, 2026 | 10 |
TGY | Hong Kong | X133DXS5BZI3 | Android 16 | Oct 14, 2026 | 10 |
XID | Indonesia | X133DXS5BZI3 | Android 16 | Sep 27, 2026 | 10 |
XJP | Japan | X133DXS5BZI5 | Android 16 | Oct 1, 2026 | 9 |
XSG | United Arab Emirates | X133DXS5BZI3 | Android 16 | Sep 27, 2026 | 11 |
XSP | Singapore | X133DXS5BZI3 | Android 16 | Sep 27, 2026 | 10 |
ZTO | Brazil | X133DXS5BZI3 | Android 16 | Sep 28, 2026 | 10 |
Firmware history (24 builds)
Every stable build (PDA version) Samsung has published for the SM-X133, 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 |
|---|---|---|---|---|---|---|
X133DXS5BZI5 | Oct 1, 2026 | Android 16 | Security | 5 | 1 | on server |
X133DXS5BZI4 | Sep 28, 2026 | Android 16 | Security | 5 | 2 | on server |
X133DXS5BZI3 | Sep 21, 2026 | Android 16 | Security | 5 | 10 | on server |
X133DXU4BZH3 | Aug 20, 2026 | Android 16 | Feature | 4 | 1 | on server |
X133DXU4BZH2 | Aug 18, 2026 | Android 16 | Feature | 4 | 2 | on server |
X133DXU4BZH1 | Aug 11, 2026 | Android 16 | Feature | 4 | 10 | on server |
X133DXS4BZG8 | Aug 6, 2026 | Android 16 | Security | 4 | 1 | on server |
X133DXS4BZG9 | Aug 3, 2026 | Android 16 | Security | 4 | 2 | on server |
X133DXS4BZG6 | Jul 28, 2026 | Android 16 | Security | 4 | 9 | on server |
X133DXS4BZF6 | Jul 6, 2026 | Android 16 | Security | 4 | 1 | on server |
X133DXS4BZF8 | Jul 1, 2026 | Android 16 | Security | 4 | 2 | on server |
X133DXS4BZF7 | Jun 24, 2026 | Android 16 | Security | 4 | 9 | on server |
X133DXU4BZE7 | Jun 7, 2026 | Android 16 | Feature | 4 | 1 | on server |
X133DXU4BZE8 | Jun 1, 2026 | Android 16 | Feature | 4 | 2 | on server |
X133DXU4BZE6 | May 25, 2026 | Android 16 | Feature | 4 | 10 | on server |
X133DXS4BZB8 | Mar 10, 2026 | Android 16 | Security | 4 | 2 | on server |
X133DXS4BZB6 | Mar 3, 2026 | Android 16 | Security | 4 | 10 | on server |
X133DXS3BZA6 | Feb 5, 2026 | Android 16 | Security | 3 | 2 | on server |
X133DXS3BZA3 | Jan 28, 2026 | Android 16 | Security | 3 | 9 | on server |
X133DXS2BYL5 | Dec 31, 2025 | Android 16 | Security | 2 | 2 | on server |
X133DXS2BYL2 | Dec 22, 2025 | Android 16 | Security | 2 | 10 | on server |
X133DXU1BYK6 | Nov 26, 2025 | Android 16 | Feature | 1 | 2 | on server |
X133DXU1BYK3 | Nov 12, 2025 | Android 16 | Feature | 1 | 10 | on server |
X133DXU1AYHA | Aug 28, 2025 | Android 15 | Feature | 1 | 12 | on server |
How to download SM-X133 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-X133 -r INSReplace INS 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-X133 / INS 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).