SCG20 1 country Android 14

Samsung Galaxy S23 Ultra SCG20KDS1BYA1 Firmware

Samsung Galaxy S23 Ultra SCG20KDS1BYA1 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 SCG20KDU1BXK4: security patch 2025-01-01 instead of 2024-11-01. A newer build for SCG20 is available: SCG20KDS1EZH1.

9.0/10 (35)347 times
Android 14
OS Version
2025-01-06
Build Date
2025-01-01
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: SCG20KDS1BYA1
    ModelRegionCSC VersionRelease dateSizeFile nameDownload
    SCG20
    KDI Japan
    		SCG20QDI1BYA1 2025-01-23 9.264 GiB
    SCG20_2_20250106071631_lzas35vlg1_fac.zip

    No matching downloads

    What's new in SCG20KDS1BYA1

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

    How to flash SCG20KDS1BYA1

    • SCG20KDS1BYA1 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

    SCG20KDS1BYA1 is Android 14 firmware for Samsung Galaxy S23 Ultra, released for Japan (KDI). It includes the 2025-01-01 security patch. Samsung built it on 2025-01-06.

    No. A newer build for SCG20 is available: SCG20KDS1EZH1. Install it instead of SCG20KDS1BYA1 unless you need this exact version. The previous build was SCG20KDU1BXK4.

    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 9.264 GiB; keep about twice that free on the computer to unzip it. The Samsung Galaxy S23 Ultra must be on bootloader binary 1 or lower.

    This build uses bootloader binary 1. It can be flashed on a Samsung Galaxy S23 Ultra running binary 1 or lower; if the device already has a higher binary, Odin stops with "SW REV CHECK FAIL". 9 other builds of this model use the same binary, so you can switch between them in both directions.

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