Samsung Galaxy Z Flip7 F766USQUDCZJB
SM-F766U 1 country Android 17

Samsung Galaxy Z Flip7 F766USQUDCZJB Firmware

Samsung Galaxy Z Flip7 F766USQUDCZJB is an Android 17 firmware for United States (ATT). 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 F766USQSDCZJ1, Android and the bootloader binary are unchanged, so you can switch between the two in both directions. This is the newest build for SM-F766U.

OS updates guaranteed until: Android 23Security updates until: Jul 2, 2032
Download firmware
9.0/10 (26)298 times
Android 17
OS Version
2026-10-20
Build Date
1
Countries
1
CSC codes
D (13)
Bootloader binary

Bootloader binary D (13). 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: F766USQUDCZJB
    ModelRegionCSC VersionRelease dateSizeFile nameDownload
    SM-F766U
    ATT United States
    		F766UOYNDCZJB Not on OTA yet 16.506 GiB
    SM-F766U_3_20261020113500_zm9j0eqq36_fac.zip
    		Download

    No matching downloads

    How to flash F766USQUDCZJB

    • F766USQUDCZJB has bootloader binary D (13). Your device must run binary D (13) 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 diagonal17.3 cm (6.8")
    • Display resolution2520 x 1080 pixels
    • RAM12 GB
    • Rear camera resolution50 MP
    • Rear camera typeDual camera
    • Battery capacity4300 mAh
    • Weight188 g

    Specifications of SM-F766B, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.

    Frequently Asked Questions

    F766USQUDCZJB is Android 17 firmware for Samsung Galaxy Z Flip7, released for United States (ATT). Samsung built it on 2026-10-20.

    Yes. F766USQUDCZJB is the newest build for SM-F766U on SamFirm. The previous build was F766USQSDCZJ1.

    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 16.506 GiB; keep about twice that free on the computer to unzip it. The Samsung Galaxy Z Flip7 must be on bootloader binary D (13) or lower.

    This build uses bootloader binary D (13). It can be flashed on a Samsung Galaxy Z Flip7 running binary D (13) or lower; if the device already has a higher binary, Odin stops with "SW REV CHECK FAIL". 1 other build of this model uses the same binary, so you can switch between them in both directions.

    Other builds and changelog for Samsung Galaxy Z Flip7

    No changelog details available.

    • Security
    The device is protected with improved security.

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

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    • Security
    The device is protected with improved security.

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

    • The security of your device has been improved.

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    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.

    • Security
    The device is protected with improved security.

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

    One UI 8.5
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    These changes may vary depending on the model, country, or network operator of the customer environment.

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    • Security
    The device is protected with improved security.

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

    • Security
    The device is protected with improved security.

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

    • The security of your device has been improved.

    Model firmware by region