Samsung Galaxy A13 A135MUBSDDZB3

Samsung Galaxy A13 A135MUBSDDZB3 Firmware

Samsung Galaxy A13 A135MUBSDDZB3 is an Android 14 firmware for 18 countries, 50 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 A135MUBSCDYJ2 https://samfirm.shop/build/A135MUBSCDYJ2: bootloader binary raised from C (12) to D (13), so after installing it there is no way back to older builds. A newer build for SM-A135M is available: A135MUBSDDZB4 https://samfirm.shop/build/A135MUBSDDZB4.

Download firmware
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Android 14
OS Version
2026-03-10
First release
other regions until 2026-03-31
2026-02-05
Security patch
18
Countries
50
CSC codes
D (13)
Bootloader binary

Bootloader binary D (13). 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#.
    Your CSC is in Settings → About phone (About tablet) → Software information, or dial *#1234#. The CSC sets your region's features and network bands. Download the firmware for your country.
    3
    MODEM/CP Version: A135MUBSDDZB1
    ModelRegionCSC VersionBuild DateRelease dateSizeFile nameDownload
    SM-A135M
    ANC Argentina
    BAT Mexico
    CWW Jamaica
    DOR Dominican Republic
    +1 more country
    BAA
    A135MOWEDDZB3 2026-03-17 2026-03-17 4.253 GiB
    SM-A135M_3_20260221023911_z7e399tvff_fac.zip
    Download
    SM-A135M
    ARO, CTI, PSN, PSP, UFN Argentina
    BVO, BVT Bolivia
    CGU, GTO Guatemala
    CHE, CHL, CHO, CHT, CHX Chile
    +11 more countries
    COB, COL, COO Colombia
    CTP, TGP Paraguay
    CTU, UFU, UPO, UYO Uruguay
    EBE Ecuador
    EON Trinidad & Tobago
    IUS, MXO, TCE, TMM Mexico
    NBS Nicaragua
    PEO, PET, PNT, SAM Peru
    TPA Panama
    ZTA, ZTM, ZTO, ZVV Brazil
    MXD
    A135MOWODDZB3 2026-03-31 2026-03-10 4.693 GiB
    SM-A135M_3_20260221031640_7d3oh33ka6_fac.zip
    Download
    SM-A135M
    CDR Dominican Republic
    COM Colombia
    CPA Panama
    CRC Chile
    +1 more country
    PGU Guatemala
    A135MOWADDZB3 2026-03-17 2026-03-17 4.313 GiB
    SM-A135M_3_20260221034341_6m50k44dun_fac.zip
    Download

    No matching downloads

    How to flash A135MUBSDDZB3

    • A135MUBSDDZB3 has bootloader binary D (13). Your device must run binary D (13) 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 A135MUBSDDZB3

    • 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 A135MUBSDDZB3 by region

    First release
    March 10, 2026
    Last region
    March 31, 2026
    Duration
    22 days
    Regions
    50
    1. Day 1 · · 1 region
      PanamaTPA
    2. Day 3 · · 7 regions
      BoliviaBVOGuatemalaGTONicaraguaNBSParaguayCTPTrinidad & TobagoEONUruguayUPOMXD
    3. Day 8 · · 34 regions
      ArgentinaANCAROCTIPSNPSPUFNBoliviaBVTBrazilZTAZTMZTOZVVChileCRCColombiaCOBCOLCOMCOODominican RepublicCDRDOREcuadorEBEGuatemalaCGUPGUJamaicaCWWMexicoBATIUSMXOTCETMMPanamaCPAParaguayTGP
      +2 more countries
      PeruPEOPETPNTSAMBAA
    4. Day 9 · · 3 regions
      UruguayCTUUFUUYO
    5. Day 22 · · 5 regions
      ChileCHECHLCHOCHTCHX

    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
    • Weight195 g

    Specifications of SM-A135F, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.

    Frequently Asked Questions

    A135MUBSDDZB3 is Android 14 firmware for Samsung Galaxy A13, released for 18 countries, 50 CSC codes. It includes the 2026-02-05 security patch. Samsung built it on 2026-03-10.

    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-A135M is available: A135MUBSDDZB4. Install it instead of A135MUBSDDZB3 unless you need this exact version. The previous build was A135MUBSCDYJ2.

    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 Samsung Galaxy A13 must be on bootloader binary D (13) or lower.

    This build uses bootloader binary D (13). It can be flashed on a Samsung Galaxy A13 running binary D (13) or lower; if the device already has a higher binary, Odin stops with "SW REV CHECK FAIL". 1 other build of this model uses the same binary, so you can switch between them in both directions.

    Other builds and changelog for Samsung Galaxy A13

    No changelog details available.

    • Security
    The device is protected with improved security.

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

    No changelog details available.

    • Security
    The device is protected with improved security.

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

    No changelog details available.
    Show 15 older builds

    • Security
    The device is protected with improved security.

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

    No changelog details available.
    • Security

    The device is protected with improved security.

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

    No changelog details available.

    • The security of your device has been improved.

    One UI 6.1 Upgrade
    Create epic images

    Copy and paste from one image to another
    Add a missing element to your picture. Just clip an object from an image in Gallery, then go to the image where you want to paste it and choose Paste from clipboard in the More options menu.

    More accurate image clipping
    Get exactly the area you need to clip without any unwanted parts. When you clip an image in Gallery, you have the option of editing the selected area before you save it so you can get your selecti...

    https://samfirm.shop/build/A135MUBS9DXK1

    • The security of your device has been improved.

    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.

    Customize alarm alerts
    Use an image, video, or AR emoji to create your own custom alert screens for each alarm. You can even change the layout of where the alarm information appears on the screen.

    More stickers to personalize your calendar
    You can now add up to 2 stickers for each date on y...

    https://samfirm.shop/build/A135MUBS6DXE2

    • The security of your device has been improved.

    One UI 6.0 Upgrade (Android 14)
    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 ap...

    • The security of your device has been improved.