X356BXXS9CZG3 – Galaxy Tab Active5 Pro 5G firmware
Build X356BXXS9CZG3 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 Jul 28, 2026 (method) and has reached
26 regions so far. It raises the bootloader bit from 8 to 9: once installed, the device no longer accepts firmware with bit 8 or lower, so a downgrade to X356BXXS8CZF2 is blocked. Samsung still serves this file.
- Model
- SM-X356B
- Android
- Android 16
- Type
- Security
- Bootloader bit
- 9
- First released
- Jul 28, 2026
- Regions
- 26
Rollout timeline by region
The date each region code (CSC) first received X356BXXS9CZG3, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
EUX | Europe (Multi-CSC) | Jul 28, 2026 | day 0 | X356BXXS9CZG3/X356BOXM9CZG3/X356BXXS9CZG3 |
EUY | Europe (Multi-CSC) | Jul 28, 2026 | day 0 | X356BXXS9CZG3/X356BOXM9CZG3/X356BXXS9CZG3 |
TUR | Turkey | Jul 28, 2026 | day 0 | X356BXXS9CZG3/X356BOXM9CZG3/X356BXXS9CZG3 |
BRI | Taiwan | Jul 29, 2026 | +1 day | X356BXXS9CZG3/X356BOXM9CZG3/X356BXXS9CZG3 |
EGY | Egypt | Jul 29, 2026 | +1 day | X356BXXS9CZG3/X356BOXM9CZG3/X356BXXS9CZG3 |
ILO | Israel | Jul 29, 2026 | +1 day | X356BXXS9CZG3/X356BOXM9CZG3/X356BXXS9CZG3 |
KSA | Saudi Arabia | Jul 29, 2026 | +1 day | X356BXXS9CZG3/X356BOXM9CZG3/X356BXXS9CZG3 |
MID | Middle East | Jul 29, 2026 | +1 day | X356BXXS9CZG3/X356BOXM9CZG3/X356BXXS9CZG3 |
MWD | Morocco | Jul 29, 2026 | +1 day | X356BXXS9CZG3/X356BOXM9CZG3/X356BXXS9CZG3 |
PAK | Pakistan | Jul 29, 2026 | +1 day | X356BXXS9CZG3/X356BOXM9CZG3/X356BXXS9CZG3 |
THL | Thailand | Jul 29, 2026 | +1 day | X356BXXS9CZG3/X356BOXM9CZG3/X356BXXS9CZG3 |
XID | Indonesia | Jul 29, 2026 | +1 day | X356BXXS9CZG3/X356BOXM9CZG3/X356BXXS9CZG3 |
XME | Malaysia | Jul 29, 2026 | +1 day | X356BXXS9CZG3/X356BOXM9CZG3/X356BXXS9CZG3 |
XNZ | New Zealand | Jul 29, 2026 | +1 day | X356BXXS9CZG3/X356BOXM9CZG3/X356BXXS9CZG3 |
XSA | Australia | Jul 29, 2026 | +1 day | X356BXXS9CZG3/X356BOXM9CZG3/X356BXXS9CZG3 |
XSG | United Arab Emirates | Jul 29, 2026 | +1 day | X356BXXS9CZG3/X356BOXM9CZG3/X356BXXS9CZG3 |
XSP | Singapore | Jul 29, 2026 | +1 day | X356BXXS9CZG3/X356BOXM9CZG3/X356BXXS9CZG3 |
XXV | Vietnam | Jul 29, 2026 | +1 day | X356BXXS9CZG3/X356BOXM9CZG3/X356BXXS9CZG3 |
XFA | South Africa | Jul 29, 2026 | +1 day | X356BXXS9CZG3/X356BOXM9CZG3/X356BXXS9CZG4 |
CAU | Caucasus | Jul 29, 2026 | +1 day | X356BXXS9CZG3/X356BOXM9CZG3/X356BXXS9CZG3 |
SKZ | Kazakhstan | Jul 29, 2026 | +1 day | X356BXXS9CZG3/X356BOXM9CZG3/X356BXXS9CZG3 |
CHO | Chile | Jul 30, 2026 | +2 days | X356BXXS9CZG3/X356BOWO9CZG3/X356BXXS9CZG3 |
COO | Colombia | Jul 30, 2026 | +2 days | X356BXXS9CZG3/X356BOWO9CZG3/X356BXXS9CZG3 |
GTO | Guatemala | Jul 30, 2026 | +2 days | X356BXXS9CZG3/X356BOWO9CZG3/X356BXXS9CZG3 |
MXO | Mexico | Jul 30, 2026 | +2 days | X356BXXS9CZG3/X356BOWO9CZG3/X356BXXS9CZG3 |
PEO | Peru | Jul 30, 2026 | +2 days | X356BXXS9CZG3/X356BOWO9CZG3/X356BXXS9CZG3 |
Download and release notes
samloader download -m SM-X356B -r EUX -v X356BXXS9CZG3/X356BOXM9CZG3/X356BXXS9CZG3Samsung'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 X356BXXS9CZG3.