A236U1UESGEZH3 – Galaxy A23 5G firmware

Build A236U1UESGEZH3 is a security update for the Galaxy A23 5G (SM-A236U1) on Android 14 (One UI 6). It first appeared on Samsung's servers on Sep 8, 2026 (method) and has reached 13 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 A236U1UESFEZE5 is blocked. Samsung still serves this file.

Model
SM-A236U1
Android
Android 14
Type
Security
Bootloader bit
16
First released
Sep 8, 2026
Regions
13

Rollout timeline by region

The date each region code (CSC) first received A236U1UESGEZH3, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
ACGUSA (C Spire)Sep 8, 2026day 0A236U1UESGEZH3/A236U1OYMGEZH3/A236U1UESGEZH3
AIOUSA (Cricket)Sep 8, 2026day 0A236U1UESGEZH3/A236U1OYMGEZH3/A236U1UESGEZH3
ATTUSA (AT&T)Sep 8, 2026day 0A236U1UESGEZH3/A236U1OYMGEZH3/A236U1UESGEZH3
CCTUSA (Comcast)Sep 8, 2026day 0A236U1UESGEZH3/A236U1OYMGEZH3/A236U1UESGEZH3
DSAUSASep 8, 2026day 0A236U1UESGEZH3/A236U1OYMGEZH3/A236U1UESGEZH3
DSHUSASep 8, 2026day 0A236U1UESGEZH3/A236U1OYMGEZH3/A236U1UESGEZH3
LRAUSA (Bluegrass)Sep 8, 2026day 0A236U1UESGEZH3/A236U1OYMGEZH3/A236U1UESGEZH3
TMBUSA (T-Mobile)Sep 8, 2026day 0A236U1UESGEZH3/A236U1OYMGEZH3/A236U1UESGEZH3
TMKUSA (MetroPCS)Sep 8, 2026day 0A236U1UESGEZH3/A236U1OYMGEZH3/A236U1UESGEZH3
USCUSA (US Cellular)Sep 8, 2026day 0A236U1UESGEZH3/A236U1OYMGEZH3/A236U1UESGEZH3
VZWUSA (Verizon)Sep 8, 2026day 0A236U1UESGEZH3/A236U1OYMGEZH3/A236U1UESGEZH3
XAAUSA (unlocked)Sep 8, 2026day 0A236U1UESGEZH3/A236U1OYMGEZH3/A236U1UESGEZH3
XARUSA (Cellular South)Sep 8, 2026day 0A236U1UESGEZH3/A236U1OYMGEZH3/A236U1UESGEZH3

Download and release notes

samloader download -m SM-A236U1 -r XAA -v A236U1UESGEZH3/A236U1OYMGEZH3/A236U1UESGEZH3

Samsung's release notes and security patch level for this update: SM-A236U1 / XAA on doc.samsungmobile.com. What each part of the build number means: decode A236U1UESGEZH3.