SM-S928U1 10 countries Android 16

Samsung Galaxy S24 Ultra S928U1UES4CYK2 Firmware

Samsung Galaxy S24 Ultra S928U1UES4CYK2 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 S928U1UES4CYJ1: security patch 2025-11-01 instead of 2025-10-01. A newer build for SM-S928U1 is available: S928U1UEU6EZIF.

OS updates guaranteed until: Android 21Security updates until: Jan 23, 2031
9.2/10 (195)24,817 times
Android 16
OS Version
2025-11-21
First release
other regions until 2025-11-26
2025-11-01
Security patch
10
Countries
21
CSC codes
4
Bootloader binary

Bootloader binary 4. Flashing firmware with a lower binary is usually blocked by Samsung anti-rollback.

Newer builds of Samsung Galaxy S24 Ultra use bootloader binary 6 (latest: S928U1UEU6EZIF). If your device already runs binary 6, 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: S928U1UES4CYK2
    ModelRegionCSC VersionBuild DateRelease dateSizeFile nameDownload
    SM-S928U1
    ACG, AIO, ATT, CCT, LRA, TFN, TMB, TMK, USC, VZW, XAA, XAR United States
    ATC, CHA, DSA, DSG, DSH, FKR, XAG
    		S928U1OYM4CYK2 2025-11-21 2025-11-24 13.019 GiB
    SM-S928U1_3_20251112152740_ybk3nxbapb_fac.zip
    SM-S928U1
    PCT Puerto Rico
    LLA
    		S928U1OWA4CYK2 2025-11-26 2025-11-27 13.115 GiB
    SM-S928U1_3_20251113235140_2ktn4u26h1_fac.zip

    No matching downloads

    Device specifications

    • Display diagonal17.3 cm (6.8")
    • Display resolution3120 x 1440 pixels
    • RAM12 GB
    • Rear camera resolution200 MP
    • Rear camera typeQuad camera
    • Battery capacity5000 mAh
    • Weight232 g

    Specifications of SM-S928B, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.

    What's new in S928U1UES4CYK2

    • 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 S928U1UES4CYK2

    • S928U1UES4CYK2 has bootloader binary 4. Your device must run binary 4 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

    S928U1UES4CYK2 is Android 16 firmware for Samsung Galaxy S24 Ultra, released for 10 countries, 21 CSC codes. It includes the 2025-11-01 security patch. Samsung built it on 2025-11-21.

    No. A newer build for SM-S928U1 is available: S928U1UEU6EZIF. Install it instead of S928U1UES4CYK2 unless you need this exact version. The previous build was S928U1UES4CYJ1.

    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 S24 Ultra must be on bootloader binary 4 or lower.

    This build uses bootloader binary 4. It can be flashed on a Samsung Galaxy S24 Ultra running binary 4 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 S24 Ultra

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    Focus on someone important
    My FanCam lets you select a person in a video and follow them automatically while cropping...

    • 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.

    Show 15 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.

    One UI 8.5
    Visual design

    Fresh new look
    One UI seamlessly integrates into your daily routine by combining immersive visuals with meaningful personalization for a more refined and sophisticated design. Transparent blur effects add depth and make content easier to navigate, while floating elements react organically to your workflow for a more focused experience. Through familiar and intuitive data visualization, One UI delivers a design that feels both personal and relatable, helping you focus...

    • 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.

    One UI 8.0 (Android 16)
    Galaxy AI

    See calls on the screen
    Call captions show what each person says on the screen in real time during calls. Follow the conversation on your screen to make sure you don’t miss anything.

    Create unique pet portraits
    Bring out your pet's personality with Portrait studio. You can now apply portrait effects to pictures of dogs and cats in addition to people. Choose from styles like Fisheye lens, oil painting, and more.

    Clean up sound
    Use Audio eraser to automatica...

    • 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.

    • Security
    The device is protected with improved security.

    Model firmware by region