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.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
XJPJapanAug 20, 2026day 0X133DXU4BZH3/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.