X133DXS5BZI5 – Galaxy Tab A11 firmware
Build X133DXS5BZI5 is a security update for the Galaxy Tab A11 (SM-X133)
on Android 16 (One UI 8). It first appeared on Samsung's servers on Oct 1, 2026 (method) and has reached
1 region so far. It keeps bootloader bit 5, so downgrading to the previous build X133DXS5BZI4 is still possible. Samsung still serves this file.
- Model
- SM-X133
- Android
- Android 16
- Type
- Security
- Bootloader bit
- 5
- First released
- Oct 1, 2026
- Regions
- 1
Not yet released in 10 regions that are still on an older build: BKD, EGY, INS, KOO, MWD, MXO, XID, XSG, XSP, ZTO.
Rollout timeline by region
The date each region code (CSC) first received X133DXS5BZI5, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
XJP | Japan | Oct 1, 2026 | day 0 | X133DXS5BZI5/X133XJP5BZI5/X133DXS5BZI5 |
Download and release notes
samloader download -m SM-X133 -r XJP -v X133DXS5BZI5/X133XJP5BZI5/X133DXS5BZI5Samsung's release notes and security patch level for this update: SM-X133 / XJP on doc.samsungmobile.com. What each part of the build number means: decode X133DXS5BZI5.