A236U1UESHEZI6 – Galaxy A23 5G firmware

Build A236U1UESHEZI6 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 28, 2026 (method) and has reached 13 regions so far. It raises the bootloader bit from 16 to 17: once installed, the device no longer accepts firmware with bit 16 or lower, so a downgrade to A236U1UESGEZH3 is blocked. Samsung still serves this file.

Model
SM-A236U1
Android
Android 14
Type
Security
Bootloader bit
17
First released
Sep 28, 2026
Regions
13

Rollout timeline by region

The date each region code (CSC) first received A236U1UESHEZI6, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
ACGUSA (C Spire)Sep 28, 2026day 0A236U1UESHEZI6/A236U1OYMHEZI6/A236U1UESHEZI6
AIOUSA (Cricket)Sep 28, 2026day 0A236U1UESHEZI6/A236U1OYMHEZI6/A236U1UESHEZI6
ATTUSA (AT&T)Sep 28, 2026day 0A236U1UESHEZI6/A236U1OYMHEZI6/A236U1UESHEZI6
CCTUSA (Comcast)Sep 28, 2026day 0A236U1UESHEZI6/A236U1OYMHEZI6/A236U1UESHEZI6
DSAUSASep 28, 2026day 0A236U1UESHEZI6/A236U1OYMHEZI6/A236U1UESHEZI6
DSHUSASep 28, 2026day 0A236U1UESHEZI6/A236U1OYMHEZI6/A236U1UESHEZI6
LRAUSA (Bluegrass)Sep 28, 2026day 0A236U1UESHEZI6/A236U1OYMHEZI6/A236U1UESHEZI6
TMBUSA (T-Mobile)Sep 28, 2026day 0A236U1UESHEZI6/A236U1OYMHEZI6/A236U1UESHEZI6
TMKUSA (MetroPCS)Sep 28, 2026day 0A236U1UESHEZI6/A236U1OYMHEZI6/A236U1UESHEZI6
USCUSA (US Cellular)Sep 28, 2026day 0A236U1UESHEZI6/A236U1OYMHEZI6/A236U1UESHEZI6
VZWUSA (Verizon)Sep 28, 2026day 0A236U1UESHEZI6/A236U1OYMHEZI6/A236U1UESHEZI6
XAAUSA (unlocked)Sep 28, 2026day 0A236U1UESHEZI6/A236U1OYMHEZI6/A236U1UESHEZI6
XARUSA (Cellular South)Sep 28, 2026day 0A236U1UESHEZI6/A236U1OYMHEZI6/A236U1UESHEZI6

Download and release notes

samloader download -m SM-A236U1 -r XAA -v A236U1UESHEZI6/A236U1OYMHEZI6/A236U1UESHEZI6

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 A236U1UESHEZI6.