Samsung Galaxy A03 Core A032MUBS7CZA4

Samsung Galaxy A03 Core A032MUBS7CZA4 Firmware

Samsung Galaxy A03 Core A032MUBS7CZA4 is an Android 13 firmware for 9 countries, 11 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 A032MUBS7CZA3 https://samfirm.shop/build/A032MUBS7CZA3, Android and the bootloader binary are unchanged, so you can switch between the two in both directions. A newer build for SM-A032M is available: A032MUBS7CZA5 https://samfirm.shop/build/A032MUBS7CZA5.

Download firmware
9.1/10 (146)10,438 times
Android 13
OS Version
2026-01-29
First release
other regions until 2026-02-12
2025-12-01
Security patch
9
Countries
11
CSC codes
7
Bootloader binary

Bootloader binary 7. 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.
    2
    MODEM/CP Version: A032MUBS7CZA1
    ModelRegionCSC VersionBuild DateRelease dateSizeFile nameDownload
    SM-A032M
    ALE Ecuador
    ANC Argentina
    BAT Mexico
    CWW Jamaica
    +1 more country
    DOR Dominican Republic
    A032MOWE7CZA1 2026-02-12 2026-02-03 2.121 GiB
    SM-A032M_3_20260117034841_on0sz7wga4_fac.zip
    SM-A032M
    BVT Bolivia
    CGU Guatemala
    EBE Ecuador
    NBS Nicaragua
    +2 more countries
    PSP Argentina
    TGP Paraguay
    A032MOWB7CZA1 2026-01-29 2026-01-30 2.018 GiB
    SM-A032M_3_20260117034541_3dm35gw038_fac.zip

    No matching downloads

    How to flash A032MUBS7CZA4

    • A032MUBS7CZA4 has bootloader binary 7. Your device must run binary 7 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 A032MUBS7CZA4

    • 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: December 2025

    SMR Dec-2025 fixes 65 vulnerabilities, 6 of them critical. Android Security Bulletin: 57, Samsung-specific issues (SVE): 8.

    Most severe Samsung fixes:

    • high Out-of-bounds write in decoding metadata in fingerprint trustlet (CVE-2025-21072)
    • high Out-of-bounds write in libimagecodec.quram.so (CVE-2025-58477)
    • high Out-of-bounds write in libimagecodec.quram.so (CVE-2025-58478)

    All fixes and Galaxy models with this patch

    Rollout of A032MUBS7CZA4 by region

    First release
    January 30, 2026
    Last region
    February 13, 2026
    Duration
    15 days
    Regions
    11
    1. Day 1 · · 6 regions
      ArgentinaPSPBoliviaBVTEcuadorEBEGuatemalaCGUNicaraguaNBSParaguayTGP
    2. Day 5 · · 3 regions
      Dominican RepublicDORJamaicaCWWMexicoBAT
    3. Day 7 · · 1 region
      ArgentinaANC
    4. Day 15 · · 1 region
      EcuadorALE

    Device specifications

    • Launched withAndroid 11
    • Display diagonal16.5 cm (6.5")
    • Display resolution720 x 1600 pixels
    • RAM2 GB
    • Rear camera resolution8 MP
    • Rear camera typeSingle camera
    • Battery capacity5000 mAh
    • Weight211 g

    Specifications of SM-A032F, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.

    Frequently Asked Questions

    A032MUBS7CZA4 is Android 13 firmware for Samsung Galaxy A03 Core, released for 9 countries, 11 CSC codes. It includes the 2025-12-01 security patch. Samsung built it on 2026-01-29.

    SMR Dec-2025 fixes 65 vulnerabilities, 6 of them critical. Android Security Bulletin: 57, Samsung-specific issues (SVE): 8.

    No. A newer build for SM-A032M is available: A032MUBS7CZA5. Install it instead of A032MUBS7CZA4 unless you need this exact version. The previous build was A032MUBS7CZA3.

    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 A03 Core must be on bootloader binary 7 or lower.

    This build uses bootloader binary 7. It can be flashed on a Samsung Galaxy A03 Core running binary 7 or lower; if the device already has a higher binary, Odin stops with "SW REV CHECK FAIL". 4 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 A03 Core

    https://samfirm.shop/build/A032MUBS7CZA5

    • 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.
    https://samfirm.shop/build/A032MUBS7CZA2

    • 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.
    https://samfirm.shop/build/A032MUBS6CYF4

    • Security
    The device is protected with improved security.

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

    Show 10 older builds

    • Stability and reliability
    Device behavior has been improved.

    • The security of your device has been improved.

    No changelog details available.
    https://samfirm.shop/build/A032MUBS5CYA8

    • The security of your device has been improved.

    No changelog details available.

    • The security of your device has been improved.