X135GDXU4BZH2 – Galaxy Tab A11 firmware

Build X135GDXU4BZH2 is a feature update for the Galaxy Tab A11 (SM-X135G) on Android 16 (One UI 8). It first appeared on Samsung's servers on Aug 17, 2026 (method) and has reached 3 regions so far. It keeps bootloader bit 4, so downgrading to the previous build X135GDXS4BZG9 is still possible. Samsung still serves this file.

Model
SM-X135G
Android
Android 16
Type
Feature
Bootloader bit
4
First released
Aug 17, 2026
Regions
3

Rollout timeline by region

The date each region code (CSC) first received X135GDXU4BZH2, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
BKDBangladeshAug 17, 2026day 0X135GDXU4BZH2/X135GODM4BZH2/X135GDXU4BZH1
INSIndiaAug 17, 2026day 0X135GDXU4BZH2/X135GODM4BZH2/X135GDXU4BZH1
SLKSri LankaAug 17, 2026day 0X135GDXU4BZH2/X135GODM4BZH2/X135GDXU4BZH1

Download and release notes

samloader download -m SM-X135G -r INS -v X135GDXU4BZH2/X135GODM4BZH2/X135GDXU4BZH1

Samsung's release notes and security patch level for this update: SM-X135G / INS on doc.samsungmobile.com. What each part of the build number means: decode X135GDXU4BZH2.