A236U1UESFEZE5 – Galaxy A23 5G firmware

Build A236U1UESFEZE5 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 Jun 2, 2026 (method) and has reached 13 regions so far. It raises the bootloader bit from 14 to 15: once installed, the device no longer accepts firmware with bit 14 or lower, so a downgrade to A236U1UESEEZC4 is blocked. Samsung still serves this file.

Model
SM-A236U1
Android
Android 14
Type
Security
Bootloader bit
15
First released
Jun 2, 2026
Regions
13

Rollout timeline by region

The date each region code (CSC) first received A236U1UESFEZE5, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
ACGUSA (C Spire)Jun 2, 2026day 0A236U1UESFEZE5/A236U1OYMFEZE5/A236U1UESFEZE5
AIOUSA (Cricket)Jun 2, 2026day 0A236U1UESFEZE5/A236U1OYMFEZE5/A236U1UESFEZE5
ATTUSA (AT&T)Jun 2, 2026day 0A236U1UESFEZE5/A236U1OYMFEZE5/A236U1UESFEZE5
CCTUSA (Comcast)Jun 2, 2026day 0A236U1UESFEZE5/A236U1OYMFEZE5/A236U1UESFEZE5
DSAUSAJun 2, 2026day 0A236U1UESFEZE5/A236U1OYMFEZE5/A236U1UESFEZE5
DSHUSAJun 2, 2026day 0A236U1UESFEZE5/A236U1OYMFEZE5/A236U1UESFEZE5
LRAUSA (Bluegrass)Jun 2, 2026day 0A236U1UESFEZE5/A236U1OYMFEZE5/A236U1UESFEZE5
TMBUSA (T-Mobile)Jun 2, 2026day 0A236U1UESFEZE5/A236U1OYMFEZE5/A236U1UESFEZE5
TMKUSA (MetroPCS)Jun 2, 2026day 0A236U1UESFEZE5/A236U1OYMFEZE5/A236U1UESFEZE5
USCUSA (US Cellular)Jun 2, 2026day 0A236U1UESFEZE5/A236U1OYMFEZE5/A236U1UESFEZE5
VZWUSA (Verizon)Jun 2, 2026day 0A236U1UESFEZE5/A236U1OYMFEZE5/A236U1UESFEZE5
XAAUSA (unlocked)Jun 2, 2026day 0A236U1UESFEZE5/A236U1OYMFEZE5/A236U1UESFEZE5
XARUSA (Cellular South)Jun 2, 2026day 0A236U1UESFEZE5/A236U1OYMFEZE5/A236U1UESFEZE5

Download and release notes

samloader download -m SM-A236U1 -r XAA -v A236U1UESFEZE5/A236U1OYMFEZE5/A236U1UESFEZE5

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 A236U1UESFEZE5.