A236USQSGEZH3 – Galaxy A23 5G firmware

Build A236USQSGEZH3 is a security update for the Galaxy A23 5G (SM-A236U) on Android 14 (One UI 6). It first appeared on Samsung's servers on Sep 3, 2026 (method) and has reached 4 regions so far. It raises the bootloader bit from 15 to 16: once installed, the device no longer accepts firmware with bit 15 or lower, so a downgrade to A236USQSFEZE5 is blocked. Samsung still serves this file.

Model
SM-A236U
Android
Android 14
Type
Security
Bootloader bit
16
First released
Sep 3, 2026
Regions
4

Rollout timeline by region

The date each region code (CSC) first received A236USQSGEZH3, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
AIOUSA (Cricket)Sep 3, 2026day 0A236USQSGEZH3/A236UOYNGEZH3/A236USQSGEZH3
ATTUSA (AT&T)Sep 3, 2026day 0A236USQSGEZH3/A236UOYNGEZH3/A236USQSGEZH3
TMBUSA (T-Mobile)Sep 3, 2026day 0A236USQSGEZH3/A236UOYNGEZH3/A236USQSGEZH3
TMKUSA (MetroPCS)Sep 3, 2026day 0A236USQSGEZH3/A236UOYNGEZH3/A236USQSGEZH3

Download and release notes

samloader download -m SM-A236U -r AIO -v A236USQSGEZH3/A236UOYNGEZH3/A236USQSGEZH3

Samsung's release notes and security patch level for this update: SM-A236U / AIO on doc.samsungmobile.com. What each part of the build number means: decode A236USQSGEZH3.