Samsung Galaxy M34 5G M346B2XUS3BXB1
SM-M346B2 4 countries Android 14

Samsung Galaxy M34 5G M346B2XUS3BXB1 Firmware

Samsung Galaxy M34 5G M346B2XUS3BXB1 is an Android 14 firmware for 4 countries, 4 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 M346B2ZHS3BXB1, Android and the bootloader binary are unchanged, so you can switch between the two in both directions. A newer build for SM-M346B2 is available: M346B2XUSEFZH9.

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Android 14
OS Version
2024-02-29
Build Date
2024-02-01
Security patch
4
Countries
4
CSC codes
3
Bootloader binary

Bootloader binary 3. Flashing firmware with a lower binary is usually blocked by Samsung anti-rollback.

Newer builds of Samsung Galaxy M34 5G use bootloader binary E (14) (latest: M346B2XUSEFZH9). If your device already runs binary E (14), 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: M346B2XUS3BXB1
    ModelRegionCSC VersionRelease dateSizeFile nameDownload
    SM-M346B2
    EGY Egypt
    FWD Morocco
    KSA Saudi Arabia
    MID Iraq
    		M346B2OJM3BXB1 2024-02-29 6.19 GiB
    SM-M346B2_2_20240220154940_kkjwn30zig_fac.zip

    No matching downloads

    How to flash M346B2XUS3BXB1

    • M346B2XUS3BXB1 has bootloader binary 3. Your device must run binary 3 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 M346B2XUS3BXB1

    • The security of your device has been improved.

    Security patch: February 2024

    SMR Feb-2024 fixes 68 vulnerabilities, 3 of them critical. Android Security Bulletin: 60, Samsung-specific issues (SVE): 8.

    Most severe Samsung fixes:

    • high Out-of-bounds Write in padmd_vld_htbl of libpadm.so (CVE-2024-20812)
    • high Out-of-bounds Write in padmd_vld_qtbl of libpadm.so (CVE-2024-20813)
    • high Improper authentication vulnerability in Auto Hotspot (CVE-2024-20816)

    All fixes and Galaxy models with this patch

    Rollout of M346B2XUS3BXB1 by region

    Samsung released this build in all regions (4) on the same day, February 29, 2024.

    Frequently Asked Questions

    M346B2XUS3BXB1 is Android 14 firmware for Samsung Galaxy M34 5G, released for 4 countries, 4 CSC codes. It includes the 2024-02-01 security patch. Samsung built it on 2024-02-29.

    SMR Feb-2024 fixes 68 vulnerabilities, 3 of them critical. Android Security Bulletin: 60, Samsung-specific issues (SVE): 8.

    No. A newer build for SM-M346B2 is available: M346B2XUSEFZH9. Install it instead of M346B2XUS3BXB1 unless you need this exact version. The previous build was M346B2ZHS3BXB1.

    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 6.19 GiB; keep about twice that free on the computer to unzip it. The Samsung Galaxy M34 5G must be on bootloader binary 3 or lower.

    This build uses bootloader binary 3. It can be flashed on a Samsung Galaxy M34 5G running binary 3 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 M34 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.

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    • Security
    The device is protected with improved security.

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

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    • 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 2 older builds
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