Samsung Galaxy Z Fold4 SCG16KDU1CYC4
SCG16 1 country Android 14

Samsung Galaxy Z Fold4 SCG16KDU1CYC4 Firmware

Samsung Galaxy Z Fold4 SCG16KDU1CYC4 is an Android 14 firmware for Japan (KDI). 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 SCG16KDS1CYA5: security patch 2025-03-01 instead of 2025-02-01. A newer build for SCG16 is available: SCG16KDS1EZH2.

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Android 14
OS Version
2025-03-19
Build Date
2025-03-01
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: SCG16KDU1CYC4
    ModelRegionCSC VersionRelease dateSizeFile nameDownload
    SCG16
    KDI Japan
    		SCG16QDI1CYC4 2025-04-08 8.273 GiB
    SCG16_3_20250319074640_at8y8gluc4_fac.zip

    No matching downloads

    How to flash SCG16KDU1CYC4

    • SCG16KDU1CYC4 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 SCG16KDU1CYC4

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

    Security patch: March 2025

    SMR Mar-2025 fixes 55 vulnerabilities, 11 of them critical. Android Security Bulletin: 49, Samsung-specific issues (SVE): 6.

    Most severe Samsung fixes:

    • high Improper access control in SecSettingsIntelligence (CVE-2025-20903)

    All fixes and Galaxy models with this patch

    Frequently Asked Questions

    SCG16KDU1CYC4 is Android 14 firmware for Samsung Galaxy Z Fold4, released for Japan (KDI). It includes the 2025-03-01 security patch. Samsung built it on 2025-03-19.

    SMR Mar-2025 fixes 55 vulnerabilities, 11 of them critical. Android Security Bulletin: 49, Samsung-specific issues (SVE): 6.

    No. A newer build for SCG16 is available: SCG16KDS1EZH2. Install it instead of SCG16KDU1CYC4 unless you need this exact version. The previous build was SCG16KDS1CYA5.

    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 8.273 GiB; keep about twice that free on the computer to unzip it. The Samsung Galaxy Z Fold4 must be on bootloader binary 1 or lower.

    This build uses bootloader binary 1. It can be flashed on a Samsung Galaxy Z Fold4 running binary 1 or lower; if the device already has a higher binary, Odin stops with "SW REV CHECK FAIL". 16 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 Fold4

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

    One UI 8.0 (Android 16)
    Personalization

    Wallpaper suggestions
    Get help finding new wallpapers. Your phone will recommend the best photos from your Gallery in categories such as landscapes, cities, flowers, pets, and people.

    Productivity

    Check stock prices without unlocking
    Stocks you follow on Google Finance with big price changes will appear on your Now bar at the end of the trading day.

    Easier file sharing with Quick Share
    It's never been easier to send and receive files. Tap the Quic...

    · 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.

    Show 2 older builds

    ■OS update notice■
    Android™ 13 OS update is now available.

    The implementation of the OS update will add new functions, improve usability, and change the names of functions and items.
    Please check the details and notes about the update on the website of au in advances, and then implement the update.
    (https://www.au.com/information/notice_mobile/update/update-202212-scg16/)

    Please back up data before implementing the OS update.
    After implementing the OS update, you cannot revert to the old one....

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

    Model firmware by region