SM-S936U1 8 countries Android 17

Samsung Galaxy S25+ S936U1UEUDDZJB Firmware

Samsung Galaxy S25+ S936U1UEUDDZJB is an Android 17 firmware for 8 countries, 19 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 S936U1UESDDZJ1, Android and the bootloader binary are unchanged, so you can switch between the two in both directions. This is the newest build for SM-S936U1.

OS updates guaranteed until: Android 22Security updates until: Jan 6, 2032
Download firmware
9.2/10 (22)3,415 times
Android 17
OS Version
2026-10-21
Build Date
2026-10-05
Security patch
8
Countries
19
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: S936U1UEUDDZJB
    ModelRegionCSC VersionRelease dateSizeFile nameDownload
    SM-S936U1
    ACG, AIO, ATT, CCT, LRA, TFN, TMB, TMK, USC, VZW, XAA, XAR United States
    ATC, CHA, DSA, DSG, DSH, FKR, XAG
    		S936U1OYMDDZJB 2026-11-05 17.419 GiB
    SM-S936U1_4_20261021160221_396j876398_fac.zip
    		Download

    No matching downloads

    How to flash S936U1UEUDDZJB

    • S936U1UEUDDZJB 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.

    What's new in S936U1UEUDDZJB

    • 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.

    Security patch: October 2026

    SMR Oct-2026 fixes 62 vulnerabilities, 9 of them critical. Android Security Bulletin: 45, Samsung Semiconductor: 4, Samsung-specific issues (SVE): 13.

    Most severe Samsung fixes:

    • high Out-of-bounds write in libsmkvextractor.so prior to SMR Oct-2026 Release 1 allows local attackers to execute arbitrary code. (CVE-2026-21114)
    • high Use after free in WSM service prior to SMR Oct-2026 Release 1 allows local attackers to potentially execute arbitrary code with system privilege. (CVE-2026-21120)
    • high Out-of-bounds write in libsamsungtts.so prior to SMR Oct-2026 Release 1 allows local attackers to execute arbitrary code. (CVE-2026-21122)

    All fixes and Galaxy models with this patch

    Rollout of S936U1UEUDDZJB by region

    Samsung released this build in all regions (9) on the same day, November 5, 2026.

    Device specifications

    • Launched withAndroid 15
    • Display diagonal17 cm (6.7")
    • Display resolution3120 x 1440 pixels
    • RAM12 GB
    • Rear camera resolution50 MP
    • Rear camera typeTriple camera
    • Battery capacity4900 mAh
    • Weight190 g

    Specifications of SM-S936U, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.

    Frequently Asked Questions

    S936U1UEUDDZJB is Android 17 firmware for Samsung Galaxy S25+, released for 8 countries, 19 CSC codes. It includes the 2026-10-05 security patch. Samsung built it on 2026-10-21.

    SMR Oct-2026 fixes 62 vulnerabilities, 9 of them critical. Android Security Bulletin: 45, Samsung Semiconductor: 4, Samsung-specific issues (SVE): 13.

    Yes. S936U1UEUDDZJB is the newest build for SM-S936U1 on SamFirm. The previous build was S936U1UESDDZJ1.

    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 17.419 GiB; keep about twice that free on the computer to unzip it. The Samsung Galaxy S25+ must be on bootloader binary D (13) or lower.

    This build uses bootloader binary D (13). It can be flashed on a Samsung Galaxy S25+ 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 S25+

    • 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.

    • 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 9
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    Focus on someone important
    My FanCam lets you select a person in a video and follow...

    • 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.
    • 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.

    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.

    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.

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    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.

    · The security of your device has been improved.

    Model firmware by region

    New firmware for other devices

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