Samsung Galaxy Z Fold8 Ultra F976BXXU3AZJC
SM-F976B 23 countries Android 17

Samsung Galaxy Z Fold8 Ultra F976BXXU3AZJC Firmware

Samsung Galaxy Z Fold8 Ultra F976BXXU3AZJC is an Android 17 firmware for 23 countries, 32 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 F976BXXU3AZJ8, Android and the bootloader binary are unchanged, so you can switch between the two in both directions. This is the newest build for SM-F976B.

Download firmware
9.3/10 (23)6,869 times
Android 17
OS Version
2026-10-29
Build Date
23
Countries
32
CSC codes
3
Bootloader binary

Bootloader binary 3. 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: F976BXXU3AZJC
    ModelRegionCSC VersionSizeFile nameDownload
    SM-F976B
    ACR, KSA Saudi Arabia
    CAC Uzbekistan
    CAU, SKZ Kazakhstan
    DKR Kenya
    +19 more countries
    ECT Nigeria
    EGY Egypt
    EUX, EUY Europe
    GLB, XTC Philippines
    ILO Israel
    INS India
    MM1, SIN, STH, XSP Singapore
    PLS, PRT Poland
    SEK Ukraine
    THL Thailand
    TUR Turkey
    XFA, XFV South Africa
    XID Indonesia
    XME Malaysia
    XNZ New Zealand
    XSA Australia
    XSG United Arab Emirates
    XXV Vietnam
    ILP
    		F976BOXM3AZJC 23.742 GiB
    SM-F976B_80_20261029065121_wonxg2nsdc_fac.zip
    		Download

    No matching downloads

    How to flash F976BXXU3AZJC

    • F976BXXU3AZJC 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.

    Device specifications

    • Display diagonal20.3 cm (8")
    • Display resolution2504 x 2256 pixels
    • Processor frequency3.6 GHz
    • Processor familySnapdragon
    • Processor model8 Elite Gen 5
    • RAM12 GB
    • Rear camera resolution200 MP
    • Rear camera typeTriple camera
    • SIM cardsDual SIM
    • Battery capacity5000 mAh
    • Weight215 g

    Frequently Asked Questions

    F976BXXU3AZJC is Android 17 firmware for Samsung Galaxy Z Fold8 Ultra, released for 23 countries, 32 CSC codes. Samsung built it on 2026-10-29.

    Yes. F976BXXU3AZJC is the newest build for SM-F976B on SamFirm. The previous build was F976BXXU3AZJ8.

    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 23.742 GiB; keep about twice that free on the computer to unzip it. The Samsung Galaxy Z Fold8 Ultra must be on bootloader binary 3 or lower.

    This build uses bootloader binary 3. It can be flashed on a Samsung Galaxy Z Fold8 Ultra running binary 3 or lower; if the device already has a higher binary, Odin stops with "SW REV CHECK FAIL". 5 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 Fold8 Ultra

    No changelog details available.

    • Stability and reliability
    Device behavior has been improved.

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

    • Security
    The device is protected with improved security.

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

    No changelog details available.

    • Stability and reliability
    Device behavior has been improved.
    • 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 3 older builds

    • Security
    The device is protected with improved security.

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

    • Stability and reliability
    Device behavior has been improved.

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

    No changelog details available.
    Model firmware by region

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