X350XXSACZH4 – Galaxy Tab Active5 Pro firmware
Build X350XXSACZH4 is a security update for the Galaxy Tab Active5 Pro (SM-X350)
on Android 16 (One UI 8). It first appeared on Samsung's servers on Sep 3, 2026 (method) and has reached
7 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 X350XXS9CZG3 is blocked. Samsung still serves this file.
- Model
- SM-X350
- Android
- Android 16
- Type
- Security
- Bootloader bit
- 10
- First released
- Sep 3, 2026
- Regions
- 7
Rollout timeline by region
The date each region code (CSC) first received X350XXSACZH4, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
EUX | Europe (Multi-CSC) | Sep 3, 2026 | day 0 | X350XXSACZH4/X350OXMACZH4/X350XXSACZH4 |
EUY | Europe (Multi-CSC) | Sep 3, 2026 | day 0 | X350XXSACZH4/X350OXMACZH4/X350XXSACZH4 |
TUR | Turkey | Sep 3, 2026 | day 0 | X350XXSACZH4/X350OXMACZH4/X350XXSACZH4 |
XSG | United Arab Emirates | Sep 3, 2026 | day 0 | X350XXSACZH4/X350OXMACZH4/X350XXSACZH4 |
XSP | Singapore | Sep 3, 2026 | day 0 | X350XXSACZH4/X350OXMACZH4/X350XXSACZH4 |
XAR | USA (Cellular South) | Sep 3, 2026 | day 0 | X350XXSACZH4/X350OXMACZH4/X350XXSACZH4 |
XJP | Japan | Sep 10, 2026 | +7 days | X350XXSACZH4/X350OXMACZH4/X350XXSACZH4 |
Download and release notes
samloader download -m SM-X350 -r EUX -v X350XXSACZH4/X350OXMACZH4/X350XXSACZH4Samsung's release notes and security patch level for this update: SM-X350 / EUX on doc.samsungmobile.com. What each part of the build number means: decode X350XXSACZH4.