Samsung Galaxy M23 5G M236BXXSEEZB2
SM-M236B 10 countries Android 14

Samsung Galaxy M23 5G M236BXXSEEZB2 Firmware

Samsung Galaxy M23 5G M236BXXSEEZB2 is an Android 14 firmware for 10 countries, 10 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 M236BXXSEEZB1, Android and the bootloader binary are unchanged, so you can switch between the two in both directions. A newer build for SM-M236B is available: M236BXXUEEZF3.

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Android 14
OS Version
2026-03-17
Build Date
2026-02-05
Security patch
10
Countries
10
CSC codes
E (14)
Bootloader binary

Bootloader binary E (14). Flashing firmware with a lower binary is usually blocked by Samsung anti-rollback.

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: M236BXXSEEZB1
    ModelRegionCSC VersionRelease dateSizeFile nameDownload
    SM-M236B
    ARO Argentina
    BVO Bolivia
    CHO Chile
    COO Colombia
    +6 more countries
    EON Trinidad & Tobago
    GTO Guatemala
    MXO Mexico
    PEO Peru
    TPA Panama
    ZTO Brazil
    		M236BOWOEEZB2 2026-03-17 5.899 GiB
    SM-M236B_3_20260212235741_r9m83jcp4o_fac.zip
    		Download

    No matching downloads

    How to flash M236BXXSEEZB2

    • M236BXXSEEZB2 has bootloader binary E (14). Your device must run binary E (14) 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 M236BXXSEEZB2

    • 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: February 2026

    SMR Feb-2026 fixes 32 vulnerabilities, 0 of them critical. Android Security Bulletin: 25, Samsung-specific issues (SVE): 7.

    Most severe Samsung fixes:

    • high Improper access control in Emergency Sharing prior to SMR Feb-2026 Release 1 allows local attackers to interrupt its functioning. (CVE-2026-20977)
    • high Improper export of android application components in Samsung Dialer prior to SMR Feb-2026 Release 1 allows local attackers to launch arbitrary activity with Samsung Dialer privilege. (CVE-2026-20983)
    • high Improper authorization in KnoxGuardManager prior to SMR Feb-2026 Release 1 allows local attackers to bypass the persistence configuration of the application. (CVE-2026-20978)

    All fixes and Galaxy models with this patch

    Rollout of M236BXXSEEZB2 by region

    Samsung released this build in all regions (10) on the same day, March 17, 2026.

    Device specifications

    • Display diagonal16.8 cm (6.6")
    • Display resolution1080 x 2408 pixels
    • Processor frequency1.8 GHz
    • Processor familySnapdragon
    • Processor model750G
    • RAM4 GB
    • Rear camera resolution50 MP
    • Rear camera typeTriple camera
    • SIM cardsDual SIM
    • Battery capacity5000 mAh
    • Weight198 g

    Frequently Asked Questions

    M236BXXSEEZB2 is Android 14 firmware for Samsung Galaxy M23 5G, released for 10 countries, 10 CSC codes. It includes the 2026-02-05 security patch. Samsung built it on 2026-03-17.

    SMR Feb-2026 fixes 32 vulnerabilities, 0 of them critical. Android Security Bulletin: 25, Samsung-specific issues (SVE): 7.

    No. A newer build for SM-M236B is available: M236BXXUEEZF3. Install it instead of M236BXXSEEZB2 unless you need this exact version. The previous build was M236BXXSEEZB1.

    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 5.899 GiB; keep about twice that free on the computer to unzip it. The Samsung Galaxy M23 5G must be on bootloader binary E (14) or lower.

    This build uses bootloader binary E (14). It can be flashed on a Samsung Galaxy M23 5G running binary E (14) or lower; if the device already has a higher binary, Odin stops with "SW REV CHECK FAIL". 2 other builds of this model use the same binary, so you can switch between them in both directions.

    Other builds and changelog for Samsung Galaxy M23 5G

    • Stability and reliability
    Device behavior has been improved.

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

    • 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.

    Show 8 older builds

    • Security
    The device is protected with improved security.

    • The security of your device has been improved.

    • Security
    The device is protected with improved security.

    • The security of your device has been improved.

    • Security
    The device is protected with improved security.

    • The security of your device has been improved.

    • Security
    The device is protected with improved security.

    One UI 6.1 Upgrade
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    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.

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