SM-F956U1 10 countries Android 16

Samsung Galaxy Z Fold6 F956U1UES2CYK2 Firmware

Samsung Galaxy Z Fold6 F956U1UES2CYK2 is an Android 16 firmware for 10 countries, 21 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 F956U1UES2CYJ1: security patch 2025-11-01 instead of 2025-10-01. A newer build for SM-F956U1 is available: F956U1UEU4EZIH.

OS updates guaranteed until: Android 21Security updates until: Jul 23, 2031
9.2/10 (195)25,516 times
Android 16
OS Version
2025-11-20
First release
other regions until 2025-11-25
2025-11-01
Security patch
10
Countries
21
CSC codes
2
Bootloader binary

Bootloader binary 2. Flashing firmware with a lower binary is usually blocked by Samsung anti-rollback.

Newer builds of Samsung Galaxy Z Fold6 use bootloader binary 4 (latest: F956U1UEU4EZIH). If your device already runs binary 4, this build cannot be flashed.

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#.
    Your CSC is in Settings → About phone (About tablet) → Software information, or dial *#1234#. The CSC sets your region's features and network bands. Download the firmware for your country.
    2
    MODEM/CP Version: F956U1UES2CYK2
    ModelRegionCSC VersionBuild DateRelease dateSizeFile nameDownload
    SM-F956U1
    ACG, AIO, ATT, CCT, LRA, TFN, TMB, TMK, USC, VZW, XAA, XAR United States
    ATC, CHA, DSA, DSG, DSH, FKR, XAG
    		F956U1OYM2CYK2 2025-11-20 2025-11-20 12.62 GiB
    SM-F956U1_3_20251111174251_6p8ukf9cl5_fac.zip
    SM-F956U1
    PCT Puerto Rico
    LLA
    		F956U1OWA2CYI7 2025-11-25 2025-11-25 12.784 GiB
    SM-F956U1_3_20251112202051_kg61lfluvz_fac.zip

    No matching downloads

    Device specifications

    • Launched withAndroid 14
    • Display diagonal19.3 cm (7.6")
    • Display resolution2160 x 1856 pixels
    • RAM12 GB
    • Rear camera resolution50 MP
    • Rear camera typeTriple camera
    • Battery capacity4400 mAh
    • Weight239 g

    Specifications of SM-F956B, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.

    What's new in F956U1UES2CYK2

    • Security
    The device is protected with improved security.

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

    How to flash F956U1UES2CYK2

    • F956U1UES2CYK2 has bootloader binary 2. Your device must run binary 2 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

    F956U1UES2CYK2 is Android 16 firmware for Samsung Galaxy Z Fold6, released for 10 countries, 21 CSC codes. It includes the 2025-11-01 security patch. Samsung built it on 2025-11-20.

    No. A newer build for SM-F956U1 is available: F956U1UEU4EZIH. Install it instead of F956U1UES2CYK2 unless you need this exact version. The previous build was F956U1UES2CYJ1.

    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 Samsung Galaxy Z Fold6 must be on bootloader binary 2 or lower.

    This build uses bootloader binary 2. It can be flashed on a Samsung Galaxy Z Fold6 running binary 2 or lower; if the device already has a higher binary, Odin stops with "SW REV CHECK FAIL". 17 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 Fold6

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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.

    • 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.

    • 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.

    • 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.

    • 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.

    • 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.

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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.

    • 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.

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    • Security
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    Model firmware by region