A236MUBSCEYJ1 – Galaxy A23 5G firmware

Build A236MUBSCEYJ1 is a security update for the Galaxy A23 5G (SM-A236M) on Android 14 (One UI 6). It first appeared on Samsung's servers on Oct 27, 2025 (method) and has reached 17 regions so far. It raises the bootloader bit from 11 to 12: once installed, the device no longer accepts firmware with bit 11 or lower, so a downgrade to A236MUBSBEYG1 is blocked. Samsung still serves this file.

Model
SM-A236M
Android
Android 14
Type
Security
Bootloader bit
12
First released
Oct 27, 2025
Regions
17

Rollout timeline by region

The date each region code (CSC) first received A236MUBSCEYJ1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
AROArgentinaOct 27, 2025day 0A236MUBSCEYJ1/A236MOWOCEYJ1/A236MUBSCEYJ1
CGUGuatemala (Claro)Oct 27, 2025day 0A236MUBSCEYJ1/A236MOWOCEYJ1/A236MUBSCEYJ1
CHEChile (Entel)Oct 27, 2025day 0A236MUBSCEYJ1/A236MOWOCEYJ1/A236MUBSCEYJ1
CHOChileOct 27, 2025day 0A236MUBSCEYJ1/A236MOWOCEYJ1/A236MUBSCEYJ1
CHLChile (Claro)Oct 27, 2025day 0A236MUBSCEYJ1/A236MOWOCEYJ1/A236MUBSCEYJ1
CHTChile (Movistar)Oct 27, 2025day 0A236MUBSCEYJ1/A236MOWOCEYJ1/A236MUBSCEYJ1
CHXChileOct 27, 2025day 0A236MUBSCEYJ1/A236MOWOCEYJ1/A236MUBSCEYJ1
CTIArgentina (Claro)Oct 27, 2025day 0A236MUBSCEYJ1/A236MOWOCEYJ1/A236MUBSCEYJ1
GLONigeria (Glo)Oct 27, 2025day 0A236MUBSCEYJ1/A236MOWOCEYJ1/A236MUBSCEYJ1
GTOGuatemalaOct 27, 2025day 0A236MUBSCEYJ1/A236MOWOCEYJ1/A236MUBSCEYJ1
PSNArgentina (Personal)Oct 27, 2025day 0A236MUBSCEYJ1/A236MOWOCEYJ1/A236MUBSCEYJ1
TPAPanamaOct 27, 2025day 0A236MUBSCEYJ1/A236MOWOCEYJ1/A236MUBSCEYJ1
UFNArgentina (Movistar)Oct 27, 2025day 0A236MUBSCEYJ1/A236MOWOCEYJ1/A236MUBSCEYJ1
ZTABrazil (Claro)Oct 27, 2025day 0A236MUBSCEYJ1/A236MOWOCEYJ1/A236MUBSCEYJ1
ZTMBrazil (TIM)Oct 27, 2025day 0A236MUBSCEYJ1/A236MOWOCEYJ1/A236MUBSCEYJ1
ZTOBrazilOct 27, 2025day 0A236MUBSCEYJ1/A236MOWOCEYJ1/A236MUBSCEYJ1
ZVVBrazil (Vivo)Oct 27, 2025day 0A236MUBSCEYJ1/A236MOWOCEYJ1/A236MUBSCEYJ1

Download and release notes

samloader download -m SM-A236M -r ARO -v A236MUBSCEYJ1/A236MOWOCEYJ1/A236MUBSCEYJ1

Samsung's release notes and security patch level for this update: SM-A236M / ARO on doc.samsungmobile.com. What each part of the build number means: decode A236MUBSCEYJ1.