X358UUESBCZI3 – Galaxy Tab Active5 Pro 5G firmware
Build X358UUESBCZI3 is a security update for the Galaxy Tab Active5 Pro 5G (SM-X358U)
on Android 16 (One UI 8). It first appeared on Samsung's servers on Sep 28, 2026 (method) and has reached
4 regions so far. It raises the bootloader bit from 10 to 11: once installed, the device no longer accepts firmware with bit 10 or lower, so a downgrade to X358UVLSACZH4 is blocked. Samsung still serves this file.
- Model
- SM-X358U
- Android
- Android 16
- Type
- Security
- Bootloader bit
- 11
- First released
- Sep 28, 2026
- Regions
- 4
Rollout timeline by region
The date each region code (CSC) first received X358UUESBCZI3, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
ATT | USA (AT&T) | Sep 28, 2026 | day 0 | X358UUESBCZI3/X358UOYMBCZI3/X358UUESBCZI3 |
TMB | USA (T-Mobile) | Sep 28, 2026 | day 0 | X358UUESBCZI3/X358UOYMBCZI3/X358UUESBCZI3 |
VZW | USA (Verizon) | Sep 28, 2026 | day 0 | X358UUESBCZI3/X358UOYMBCZI3/X358UUESBCZI3 |
XAA | USA (unlocked) | Sep 28, 2026 | day 0 | X358UUESBCZI3/X358UOYMBCZI3/X358UUESBCZI3 |
Download and release notes
samloader download -m SM-X358U -r XAA -v X358UUESBCZI3/X358UOYMBCZI3/X358UUESBCZI3Samsung's release notes and security patch level for this update: SM-X358U / XAA on doc.samsungmobile.com. What each part of the build number means: decode X358UUESBCZI3.