S236DLUDSEFYJ2 – Galaxy A23 5G firmware

Build S236DLUDSEFYJ2 is a security update for the Galaxy A23 5G (SM-S236DL) on Android 14 (One UI 6). It first appeared on Samsung's servers on Oct 27, 2025 (method) and has reached 1 region so far. It raises the bootloader bit from 13 to 14: once installed, the device no longer accepts firmware with bit 13 or lower, so a downgrade to S236DLUDSDFYG2 is blocked. Samsung still serves this file.

Model
SM-S236DL
Android
Android 14
Type
Security
Bootloader bit
14
First released
Oct 27, 2025
Regions
1

Rollout timeline by region

The date each region code (CSC) first received S236DLUDSEFYJ2, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
TFNUSA (TracFone)Oct 27, 2025day 0S236DLUDSEFYJ2/S236DLTFNEFYJ2/S236DLUDSEFYJ2

Download and release notes

samloader download -m SM-S236DL -r TFN -v S236DLUDSEFYJ2/S236DLTFNEFYJ2/S236DLUDSEFYJ2

Samsung's release notes and security patch level for this update: SM-S236DL / TFN on doc.samsungmobile.com. What each part of the build number means: decode S236DLUDSEFYJ2.