Samsung Galaxy A23 5G A236MUBSCEYJ1
SM-A236M 6 countries Android 14

Samsung Galaxy A23 5G A236MUBSCEYJ1 Firmware

Samsung Galaxy A23 5G A236MUBSCEYJ1 is an Android 14 firmware for 6 countries, 17 CSC codes. It is the same firmware configured per region and carrier (CSC). Find your country below, verify the file and download for free. Compared with the previous build A236MUBSBEYG1: bootloader binary raised from B (11) to C (12), so after installing it there is no way back to older builds; security patch 2025-10-01 instead of 2025-07-01. A newer build for SM-A236M is available: A236MUBSHEZI1.

OS updates guaranteed until: Android 14Security updates until: Sep 30, 2026
Download firmware
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Android 14
OS Version
2025-10-28
Build Date
2025-10-01
Security patch
6
Countries
17
CSC codes
C (12)
Bootloader binary

Bootloader binary C (12). Flashing firmware with a lower binary is usually blocked by Samsung anti-rollback.

Newer builds of Samsung Galaxy A23 5G use bootloader binary H (17) (latest: A236MUBSHEZI1). If your device already runs binary H (17), this build cannot be flashed.

All regional downloads

Pick your region (CSC) to download the matching firmware package.

Paste your current build number from Settings > About phone (About tablet) > Software information, or the output of *#1234#.
    MODEM/CP Version: A236MUBSCEYJ1
    ModelRegionCSC VersionRelease dateSizeFile nameDownload
    SM-A236M
    ARO, CTI, PSN, UFN Argentina
    CGU, GTO Guatemala
    CHE, CHL, CHO, CHT, CHX Chile
    TPA Panama
    +2 more countries
    ZTA, ZTM, ZTO, ZVV Brazil
    GLO
    		A236MOWOCEYJ1 2025-10-28 5.574 GiB
    SM-A236M_2_20251003235041_dnb70hg9tv_fac.zip
    		Download

    No matching downloads

    How to flash A236MUBSCEYJ1

    • A236MUBSCEYJ1 has bootloader binary C (12). Your device must run binary C (12) or lower: it is the 5th character from the end of your current build number.
    • CSC: Use CSC for a clean install, to change the region (CSC code), to downgrade or to repair a device that does not boot.
    • HOME_CSC: Use HOME_CSC to update the same model and region while keeping your data. Back up anyway: a failed update can still require a reset.
    • The Download Mode key combo depends on the model: see all combos.
    Full flashing guide
    Beware: Manually flashing firmwares may brick your device. Use it at your own risk and follow our tutorial steps.

    What's new in A236MUBSCEYJ1

    • Security
    The device is protected with improved security.

    These changes may vary depending on the model, country, or network operator of the customer environment.

    Security patch: October 2025

    SMR Oct-2025 fixes 25 vulnerabilities, 0 of them critical. Android Security Bulletin: 13, Samsung-specific issues (SVE): 12.

    Most severe Samsung fixes:

    • high Out-of-bounds write in fingerprint trustlet (CVE-2025-21044)
    • high Improper input validation in Contacts (CVE-2025-21050)
    • high Relative path traversal in Knox Enterprise (CVE-2025-21048)

    All fixes and Galaxy models with this patch

    Rollout of A236MUBSCEYJ1 by region

    Samsung released this build in all regions (17) on the same day, October 28, 2025.

    Device specifications

    • Launched withAndroid 12
    • Display diagonal16.8 cm (6.6")
    • Display resolution1080 x 2408 pixels
    • RAM4 GB
    • Rear camera resolution50 MP
    • Rear camera typeQuad camera
    • Battery capacity5000 mAh
    • Weight197 g

    Specifications of SM-A236B, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.

    Frequently Asked Questions

    A236MUBSCEYJ1 is Android 14 firmware for Samsung Galaxy A23 5G, released for 6 countries, 17 CSC codes. It includes the 2025-10-01 security patch. Samsung built it on 2025-10-28.

    SMR Oct-2025 fixes 25 vulnerabilities, 0 of them critical. Android Security Bulletin: 13, Samsung-specific issues (SVE): 12.

    No. A newer build for SM-A236M is available: A236MUBSHEZI1. Install it instead of A236MUBSCEYJ1 unless you need this exact version. The previous build was A236MUBSBEYG1.

    Download the package for your region (CSC) and unzip it. In Odin, load each file into the slot with the same name: BL, AP, CP (if the package has one) and CSC, or HOME_CSC to keep your data. Odin checks the built-in checksum of every .tar.md5 file before flashing. The download is 5.574 GiB; keep about twice that free on the computer to unzip it. The Samsung Galaxy A23 5G must be on bootloader binary C (12) or lower.

    This build uses bootloader binary C (12). It can be flashed on a Samsung Galaxy A23 5G running binary C (12) or lower; if the device already has a higher binary, Odin stops with "SW REV CHECK FAIL". No other build of this model uses binary C (12).

    Other builds and changelog for Samsung Galaxy A23 5G

    • Security
    The device is protected with improved security.

    These changes may vary depending on the model, country, or network operator of the customer environment.

    • The security of your device has been improved.

    • Security
    The device is protected with improved security.

    • The security of your device has been improved.

    • Stability and reliability
    Device behavior has been improved.

    Show 6 older builds

    • The security of your device has been improved.

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    • The security of your device has been improved.

    Model firmware by region