X356BXXSACZH4 – Galaxy Tab Active5 Pro 5G firmware
Build X356BXXSACZH4 is a security update for the Galaxy Tab Active5 Pro 5G (SM-X356B)
on Android 16 (One UI 8). It first appeared on Samsung's servers on Aug 31, 2026 (method) and has reached
26 regions so far. It raises the bootloader bit from 9 to 10: once installed, the device no longer accepts firmware with bit 9 or lower, so a downgrade to X356BXXS9CZG3 is blocked. Samsung still serves this file.
- Model
- SM-X356B
- Android
- Android 16
- Type
- Security
- Bootloader bit
- 10
- First released
- Aug 31, 2026
- Regions
- 26
Rollout timeline by region
The date each region code (CSC) first received X356BXXSACZH4, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
EUX | Europe (Multi-CSC) | Aug 31, 2026 | day 0 | X356BXXSACZH4/X356BOXMACZH4/X356BXXSACZH4 |
EUY | Europe (Multi-CSC) | Aug 31, 2026 | day 0 | X356BXXSACZH4/X356BOXMACZH4/X356BXXSACZH4 |
TUR | Turkey | Aug 31, 2026 | day 0 | X356BXXSACZH4/X356BOXMACZH4/X356BXXSACZH4 |
CHO | Chile | Sep 1, 2026 | +1 day | X356BXXSACZH4/X356BOWOACZH4/X356BXXSACZH4 |
COO | Colombia | Sep 1, 2026 | +1 day | X356BXXSACZH4/X356BOWOACZH4/X356BXXSACZH4 |
GTO | Guatemala | Sep 1, 2026 | +1 day | X356BXXSACZH4/X356BOWOACZH4/X356BXXSACZH4 |
MXO | Mexico | Sep 1, 2026 | +1 day | X356BXXSACZH4/X356BOWOACZH4/X356BXXSACZH4 |
PEO | Peru | Sep 1, 2026 | +1 day | X356BXXSACZH4/X356BOWOACZH4/X356BXXSACZH4 |
BRI | Taiwan | Sep 2, 2026 | +2 days | X356BXXSACZH4/X356BOXMACZH4/X356BXXSACZH4 |
CAU | Caucasus | Sep 3, 2026 | +3 days | X356BXXSACZH4/X356BOXMACZH4/X356BXXSACZH4 |
EGY | Egypt | Sep 3, 2026 | +3 days | X356BXXSACZH4/X356BOXMACZH4/X356BXXSACZH4 |
ILO | Israel | Sep 3, 2026 | +3 days | X356BXXSACZH4/X356BOXMACZH4/X356BXXSACZH4 |
KSA | Saudi Arabia | Sep 3, 2026 | +3 days | X356BXXSACZH4/X356BOXMACZH4/X356BXXSACZH4 |
MID | Middle East | Sep 3, 2026 | +3 days | X356BXXSACZH4/X356BOXMACZH4/X356BXXSACZH4 |
MWD | Morocco | Sep 3, 2026 | +3 days | X356BXXSACZH4/X356BOXMACZH4/X356BXXSACZH4 |
PAK | Pakistan | Sep 3, 2026 | +3 days | X356BXXSACZH4/X356BOXMACZH4/X356BXXSACZH4 |
SKZ | Kazakhstan | Sep 3, 2026 | +3 days | X356BXXSACZH4/X356BOXMACZH4/X356BXXSACZH4 |
THL | Thailand | Sep 3, 2026 | +3 days | X356BXXSACZH4/X356BOXMACZH4/X356BXXSACZH4 |
XID | Indonesia | Sep 3, 2026 | +3 days | X356BXXSACZH4/X356BOXMACZH4/X356BXXSACZH4 |
XME | Malaysia | Sep 3, 2026 | +3 days | X356BXXSACZH4/X356BOXMACZH4/X356BXXSACZH4 |
XSG | United Arab Emirates | Sep 3, 2026 | +3 days | X356BXXSACZH4/X356BOXMACZH4/X356BXXSACZH4 |
XSP | Singapore | Sep 3, 2026 | +3 days | X356BXXSACZH4/X356BOXMACZH4/X356BXXSACZH4 |
XXV | Vietnam | Sep 3, 2026 | +3 days | X356BXXSACZH4/X356BOXMACZH4/X356BXXSACZH4 |
XFA | South Africa | Sep 3, 2026 | +3 days | X356BXXSACZH4/X356BOXMACZH4/X356BXXSACZH5 |
XNZ | New Zealand | Sep 7, 2026 | +7 days | X356BXXSACZH4/X356BOXMACZH4/X356BXXSACZH4 |
XSA | Australia | Sep 7, 2026 | +7 days | X356BXXSACZH4/X356BOXMACZH4/X356BXXSACZH4 |
Download and release notes
samloader download -m SM-X356B -r EUX -v X356BXXSACZH4/X356BOXMACZH4/X356BXXSACZH4Samsung's release notes and security patch level for this update: SM-X356B / EUX on doc.samsungmobile.com. What each part of the build number means: decode X356BXXSACZH4.