X406BXXS4BZE3 – Galaxy Tab S10 Lite 5G firmware

Build X406BXXS4BZE3 is a security update for the Galaxy Tab S10 Lite 5G (SM-X406B) on Android 16 (One UI 8). It first appeared on Samsung's servers on May 21, 2026 (method) and has reached 2 regions so far. It keeps bootloader bit 4, so downgrading to the previous build X406BXXS4BZC1 is still possible. Samsung still serves this file.

Model
SM-X406B
Android
Android 16
Type
Security
Bootloader bit
4
First released
May 21, 2026
Regions
2

Rollout timeline by region

The date each region code (CSC) first received X406BXXS4BZE3, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
EUXEurope (Multi-CSC)May 21, 2026day 0X406BXXS4BZE3/X406BOXM4BZE3/X406BXXS4BZE3
EUYEurope (Multi-CSC)May 21, 2026day 0X406BXXS4BZE3/X406BOXM4BZE3/X406BXXS4BZE3

Download and release notes

samloader download -m SM-X406B -r EUX -v X406BXXS4BZE3/X406BOXM4BZE3/X406BXXS4BZE3

Samsung's release notes and security patch level for this update: SM-X406B / EUX on doc.samsungmobile.com. What each part of the build number means: decode X406BXXS4BZE3.