Samsung Galaxy A23 5G A236U1UESCEYJ2
SM-A236U1 8 countries Android 14

Samsung Galaxy A23 5G A236U1UESCEYJ2 Firmware

Samsung Galaxy A23 5G A236U1UESCEYJ2 is an Android 14 firmware for 8 countries, 18 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 A236U1UESBEYG2: 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-A236U1 is available: A236U1UESHEZI6.

OS updates guaranteed until: Android 14Security updates until: Sep 27, 2026
Download firmware
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Android 14
OS Version
2025-10-30
Build Date
2025-10-01
Security patch
8
Countries
18
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: A236U1UESHEZI6). 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: A236U1UESCEYJ2
    ModelRegionCSC VersionRelease dateSizeFile nameDownload
    SM-A236U1
    ACG, AIO, ATT, CCT, LRA, TMB, TMK, USC, VZW, XAA, XAR United States
    ATC, CHA, DSA, DSH, FKR, TFV, XAG
    		A236U1OYMCEYJ2 2025-10-30 5.4 GiB
    SM-A236U1_3_20251013205310_28jwg7x35l_fac.zip

    No matching downloads

    How to flash A236U1UESCEYJ2

    • A236U1UESCEYJ2 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 A236U1UESCEYJ2

    • 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 A236U1UESCEYJ2 by region

    Samsung released this build in all regions (18) on the same day, October 30, 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

    A236U1UESCEYJ2 is Android 14 firmware for Samsung Galaxy A23 5G, released for 8 countries, 18 CSC codes. It includes the 2025-10-01 security patch. Samsung built it on 2025-10-30.

    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-A236U1 is available: A236U1UESHEZI6. Install it instead of A236U1UESCEYJ2 unless you need this exact version. The previous build was A236U1UESBEYG2.

    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 5.4 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.

    • Stability and reliability
    Device behavior has been improved.
    • Security
    The device is protected with improved security.

    One UI 6.1 Upgrade
    Customize your Galaxy

    New wallpaper editing features
    Decorate your wallpaper however you like. When you select an image to use as your wallpaper, you can now apply frames and effects.

    More widgets for your Lock screen
    Additional widgets are available for your Lock screen so you can quickly check useful information without unlocking your phone. The new widgets include Weather, Samsung Health, Battery, Reminder, Calendar, and Clock.

    Customize alarm alerts
    Use an image, vid...

    • The security of your device has been improved.

    Show 5 older builds
    One UI 6.0 Upgrade
    Quick panel

    New button layout
    The quick panel has a new layout that makes it easier to access the features you use most. Wi-Fi and Bluetooth now have their own dedicated buttons at the top of the screen, while visual features, like Dark mode and Eye comfort shield have been moved to the bottom. Other quick settings buttons appear in a customizable area in the middle.

    Instantly access the full quick panel
    By default, a compact quick panel with notifications appears when yo...

    • Security
    The device is protected with improved security.

    • The security of your device has been improved.

    • Overall stability of your device has been improved.
    • The security of your device has been improved.

    • Security
    The device is protected with improved security.

    Model firmware by region