X135GDXS5BZI4 – Galaxy Tab A11 firmware

Build X135GDXS5BZI4 is a security update for the Galaxy Tab A11 (SM-X135G) on Android 16 (One UI 8). It first appeared on Samsung's servers on Sep 28, 2026 (method) and has reached 3 regions so far. It keeps bootloader bit 5, so downgrading to the previous build X135GDXS5BZI3 is still possible. Samsung still serves this file.

Model
SM-X135G
Android
Android 16
Type
Security
Bootloader bit
5
First released
Sep 28, 2026
Regions
3

Rollout timeline by region

The date each region code (CSC) first received X135GDXS5BZI4, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
BKDBangladeshSep 28, 2026day 0X135GDXS5BZI4/X135GODM5BZI4/X135GDXS5BZI3
INSIndiaSep 28, 2026day 0X135GDXS5BZI4/X135GODM5BZI4/X135GDXS5BZI3
SLKSri LankaSep 28, 2026day 0X135GDXS5BZI4/X135GODM5BZI4/X135GDXS5BZI3

Download and release notes

samloader download -m SM-X135G -r INS -v X135GDXS5BZI4/X135GODM5BZI4/X135GDXS5BZI3

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 X135GDXS5BZI4.