SC-51B 1 country Android 14

Samsung Galaxy S21 5G SC51BOMU1DXB5 Firmware

Samsung Galaxy S21 5G SC51BOMU1DXB5 is an Android 14 firmware for Japan (DCM). 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 SC51BOMU1CWH3: Android updated from Android 13 to Android 14; security patch 2023-12-01 instead of 2023-08-01. A newer build for SC-51B is available: SC51BOMU1EZB1.

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Android 14
OS Version
2024-02-28
Build Date
2023-12-01
Security patch
1
Countries
1
CSC codes
1
Bootloader binary

Bootloader binary 1. 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: SC51BOMU1DXB5
    ModelRegionCSC VersionRelease dateSizeFile nameDownload
    SC-51B
    DCM Japan
    		SC51BDCM1DXB5 2024-03-04 7.162 GiB
    SC-51B_3_20240213070441_uae88lxss1_fac.zip

    No matching downloads

    What's new in SC51BOMU1DXB5

    ・Device stability improvements, bug fixes.
    ・New and / or enhanced features.
    ・Further improvements to performance.

    ＜note＞
    ・Please back up your data before updating.
    ・After the software is updated, downgrading to the previous version is not available.
    ・Please update the applications after the software is updated.
    ・Appcloud will be available after the software is upgraded.
    ・Refer to this link (https://www.docomo.ne.jp/support/manual/sc51b/) to find out more about operation changes after updating the OS Android 14 (in Japanese only)

    How to flash SC51BOMU1DXB5

    • SC51BOMU1DXB5 has bootloader binary 1. Your device must run binary 1 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.

    Frequently Asked Questions

    SC51BOMU1DXB5 is Android 14 firmware for Samsung Galaxy S21 5G, released for Japan (DCM). It includes the 2023-12-01 security patch. Samsung built it on 2024-02-28.

    No. A newer build for SC-51B is available: SC51BOMU1EZB1. Install it instead of SC51BOMU1DXB5 unless you need this exact version. The previous build was SC51BOMU1CWH3.

    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 7.162 GiB; keep about twice that free on the computer to unzip it. The Samsung Galaxy S21 5G must be on bootloader binary 1 or lower.

    This build uses bootloader binary 1. It can be flashed on a Samsung Galaxy S21 5G running binary 1 or lower; if the device already has a higher binary, Odin stops with "SW REV CHECK FAIL". 18 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 S21 5G

    · Device stability improvements, bug fixes.
    · New and / or enhanced features.
    · Further improvements to performance.

    · Device stability improvements, bug fixes.
    · New and / or enhanced features.
    · Further improvements to performance.

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    · Device stability improvements, bug fixes.
    · New and / or enhanced features.
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    · Device stability improvements, bug fixes.
    · New and / or enhanced features.
    · Further improvements to performance.

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    ・Device stability improvements, bug fixes.
    ・New and / or enhanced features.
    ・Further improvements to performance.

    ＜note＞
    ・Please back up your data before updating.
    ・After the software is updated, downgrading to the previous version is not available.
    ・Please update the applications after the software is updated.
    ・Appcloud will be available after the software is upgraded.
    ・Refer to this link (https://www.docomo.ne.jp/support/manual/sc51b/) to find out more about operation changes after updating...

    · Device stability improvements, bug fixes.
    · New and / or enhanced features.
    · Further improvements to performance.

    · Device stability improvements, bug fixes.
    · New and / or enhanced features.
    · Further improvements to performance.

    · Device stability improvements, bug fixes.
    · New and / or enhanced features.
    · Further improvements to performance.

    · Device stability improvements, bug fixes.
    · New and / or enhanced features.
    · Further improvements to performance.

    ・Device stability improvements, bug fixes.
    ・New and / or enhanced features.
    ・Further improvements to performance.

    ＜note＞
    ・Please back up your data before updating.
    ・After the software is updated, downgrading to the previous version is not available.
    ・Please update the applications after the software is updated.
    ・After the software is upgraded, Suguden will no longer be available.
    ・After the software is upgraded, Change Home Widget is removed from the widget list.
    　※You can continue to use th...

    · Device stability improvements, bug fixes.
    · New and / or enhanced features.
    · Further improvements to performance.

    · Device stability improvements, bug fixes.
    · New and / or enhanced features.
    · Further improvements to performance.

    · Device stability improvements, bug fixes.
    · New and / or enhanced features.
    · Further improvements to performance.

    · Device stability improvements, bug fixes.
    · New and / or enhanced features.
    · Further improvements to performance.

    · Device stability improvements, bug fixes.
    · New and / or enhanced features.
    · Further improvements to performance.

    ・Device stability improvements, bug fixes.
    ・New and / or enhanced features.
    ・Further improvements to performance.
    ・Improved security
    A new indicator on the top right of your status bar so you know when your app are accessing your microphone or camera are being accessed

    ＜note＞
    ・Please back up your data before updating.
    ・After the software is updated, downgrading to the previous version is not available.
    ・Please update the applications after the software is updated.

    · Device stability improvements, bug fixes.
    · New and / or enhanced features.
    · Further improvements to performance.

    Model firmware by region