X350XXSBCZI3 – Galaxy Tab Active5 Pro firmware

Build X350XXSBCZI3 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 21, 2026 (method) and has reached 7 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 X350XXSACZH4 is blocked. Samsung still serves this file.

Model
SM-X350
Android
Android 16
Type
Security
Bootloader bit
11
First released
Sep 21, 2026
Regions
7

Rollout timeline by region

The date each region code (CSC) first received X350XXSBCZI3, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
XARUSA (Cellular South)Sep 21, 2026day 0X350XXSBCZI3/X350OXMBCZI3/X350XXSBCZI3
EUXEurope (Multi-CSC)Sep 21, 2026day 0X350XXSBCZI3/X350OXMBCZI3/X350XXSBCZI3
EUYEurope (Multi-CSC)Sep 21, 2026day 0X350XXSBCZI3/X350OXMBCZI3/X350XXSBCZI3
XSPSingaporeSep 21, 2026day 0X350XXSBCZI3/X350OXMBCZI3/X350XXSBCZI3
TURTurkeySep 28, 2026+7 daysX350XXSBCZI3/X350OXMBCZI3/X350XXSBCZI3
XSGUnited Arab EmiratesSep 28, 2026+7 daysX350XXSBCZI3/X350OXMBCZI3/X350XXSBCZI3
XJPJapanOct 1, 2026+10 daysX350XXSBCZI3/X350OXMBCZI3/X350XXSBCZI3

Download and release notes

samloader download -m SM-X350 -r EUX -v X350XXSBCZI3/X350OXMBCZI3/X350XXSBCZI3

Samsung'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 X350XXSBCZI3.