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.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
EUX | Europe (Multi-CSC) | May 21, 2026 | day 0 | X406BXXS4BZE3/X406BOXM4BZE3/X406BXXS4BZE3 |
EUY | Europe (Multi-CSC) | May 21, 2026 | day 0 | X406BXXS4BZE3/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.