X238USQS8BZI3 – Galaxy Tab A11+ 5G firmware

Build X238USQS8BZI3 is a security update for the Galaxy Tab A11+ 5G (SM-X238U) on Android 16 (One UI 8). It first appeared on Samsung's servers on Sep 21, 2026 (method) and has reached 9 regions so far. It raises the bootloader bit from 7 to 8: once installed, the device no longer accepts firmware with bit 7 or lower, so a downgrade to X238UVLS7BZG2 is blocked. Samsung still serves this file.

Model
SM-X238U
Android
Android 16
Type
Security
Bootloader bit
8
First released
Sep 21, 2026
Regions
9

Rollout timeline by region

The date each region code (CSC) first received X238USQS8BZI3, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
TMBUSA (T-Mobile)Sep 21, 2026day 0X238USQS8BZI3/X238UOYN8BZI3/X238USQS8BZI3
TMKUSA (MetroPCS)Sep 21, 2026day 0X238USQS8BZI3/X238UOYN8BZI3/X238USQS8BZI3
USCUSA (US Cellular)Sep 21, 2026day 0X238USQS8BZI3/X238UOYN8BZI3/X238USQS8BZI3
VZWUSA (Verizon)Sep 22, 2026+1 dayX238USQS8BZI3/X238UOYN8BZI3/X238USQS8BZI3
ATTUSA (AT&T)Sep 22, 2026+1 dayX238USQS8BZI3/X238UOYN8BZI3/X238USQS8BZI3
AIOUSA (Cricket)Sep 22, 2026+1 dayX238USQS8BZI3/X238UOYN8BZI3/X238USQS8BZI3
CCTUSA (Comcast)Sep 22, 2026+1 dayX238USQS8BZI3/X238UOYN8BZI3/X238USQS8BZI3
TFNUSA (TracFone)Sep 24, 2026+3 daysX238USQS8BZI3/X238UOYN8BZI3/X238USQS8BZI3
DSAUSASep 25, 2026+4 daysX238USQS8BZI3/X238UOYN8BZI3/X238USQS8BZI3

Download and release notes

samloader download -m SM-X238U -r TMB -v X238USQS8BZI3/X238UOYN8BZI3/X238USQS8BZI3

Samsung's release notes and security patch level for this update: SM-X238U / TMB on doc.samsungmobile.com. What each part of the build number means: decode X238USQS8BZI3.