Samsung Galaxy Z Fold3 5G SC55BOMS1EZH2
SC-55B 1 country Android 15

Samsung Galaxy Z Fold3 5G SC55BOMS1EZH2 Firmware

Samsung Galaxy Z Fold3 5G SC55BOMS1EZH2 is an Android 15 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 SC55BOMS1EZE1: security patch 2026-08-05 instead of 2026-05-05. This is the newest build for SC-55B.

Download firmware
9.2/10 (34)247 times
Android 15
OS Version
2026-08-26
Build Date
2026-08-05
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: SC55BOMS1EZH2
    ModelRegionCSC VersionRelease dateSizeFile nameDownload
    SC-55B
    DCM Japan
    		SC55BDCM1EZH2 2026-10-07 7.878 GiB
    SC-55B_5_20260826112730_31rzjpmi1v_fac.zip
    		Download

    No matching downloads

    How to flash SC55BOMS1EZH2

    • SC55BOMS1EZH2 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.

    What's new in SC55BOMS1EZH2

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

    Security patch: August 2026

    SMR Aug-2026 fixes 54 vulnerabilities, 8 of them critical. Android Security Bulletin: 38, Samsung-specific issues (SVE): 16.

    Most severe Samsung fixes:

    • high Improper access control in Weaver prior to SMR Aug-2026 Release 1 allows local attackers to cause device inoperability. (CVE-2026-21064)
    • high Improper input validation in Galaxy Themes prior to SMR Aug-2026 Release 1 allows physical attackers to launch arbitrary activity. (CVE-2026-21073)

    All fixes and Galaxy models with this patch

    Frequently Asked Questions

    SC55BOMS1EZH2 is Android 15 firmware for Samsung Galaxy Z Fold3 5G, released for Japan (DCM). It includes the 2026-08-05 security patch. Samsung built it on 2026-08-26.

    SMR Aug-2026 fixes 54 vulnerabilities, 8 of them critical. Android Security Bulletin: 38, Samsung-specific issues (SVE): 16.

    Yes. SC55BOMS1EZH2 is the newest build for SC-55B on SamFirm. The previous build was SC55BOMS1EZE1.

    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 7.878 GiB; keep about twice that free on the computer to unzip it. The Samsung Galaxy Z Fold3 5G must be on bootloader binary 1 or lower.

    This build uses bootloader binary 1. It can be flashed on a Samsung Galaxy Z Fold3 5G running binary 1 or lower; if the device already has a higher binary, Odin stops with "SW REV CHECK FAIL". 21 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 Z Fold3 5G

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

    One UI 7.0 Upgrade (Android 15)
    Bold new look

    Visual enhancements
    Enjoy a more sophisticated and unique look. One UI 7 introduces a stunning redesign to key components including buttons, menus, notifications and control bars, providing a more consistent visual experience with curves and circles. Beautiful new colors, soft animations, and an innovative blur effect that's unique to One UI make information hierarchy clearer and help you focus on important information.

    Reimagined Home screen
    Fr...

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

    One UI 6.1.1 Update
    Unlock a healthier you

    Discover new insights and stay motivated
    Stay inspired throughout your health experience with new wellness tips in Samsung Health. Wellness tips offer valuable insights and encouragement to help you achieve your health goals.

    Monitor your energy levels with Galaxy AI
    Samsung Health's new energy score shows your physical and mental condition based on your sleep and physical activity. If your energy score is low, it may be best to take a rest. If you...

    One UI 6.1 Upgrade
    Circle to Search

    Instantly search for anything on your screen
    Circle to Search with Google lets you easily learn more about anything shown on your screen without switching apps. Just touch and hold the Home button or navigation handle, then circle anything on the screen to start a Google search.

    Create epic images

    Effortlessly enhance your photos
    Get special AI recommendations for enhancing your photos and videos. You'll find options for adding star trails, colorizing,...

    Show 11 older builds

    · 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.
    ・Appcloud will be available after the software is upgraded.
    ・Refer to this link (https://www.docomo.ne.jp/support/manual/sc55b/) 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.

    ＜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.
    ・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.

    Model firmware by region