X133DXU4BZH3 – Galaxy Tab A11 firmware
Build X133DXU4BZH3 is a feature update for the Galaxy Tab A11 (SM-X133)
on Android 16 (One UI 8). It first appeared on Samsung's servers on Aug 20, 2026 (method) and has reached
1 region so far. It keeps bootloader bit 4, so downgrading to the previous build X133DXU4BZH2 is still possible. Samsung still serves this file.
- Model
- SM-X133
- Android
- Android 16
- Type
- Feature
- Bootloader bit
- 4
- First released
- Aug 20, 2026
- Regions
- 1
Rollout timeline by region
The date each region code (CSC) first received X133DXU4BZH3, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
XJP | Japan | Aug 20, 2026 | day 0 | X133DXU4BZH3/X133XJP4BZH3/X133DXU4BZH3 |
Download and release notes
samloader download -m SM-X133 -r XJP -v X133DXU4BZH3/X133XJP4BZH3/X133DXU4BZH3
Samsung'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 X133DXU4BZH3.