Samsung Galaxy Watch6 R930XXS2CZF5
SM-R930 17 countries Wear OS 6.0

Samsung Galaxy Watch6 R930XXS2CZF5 Firmware

Samsung Galaxy Watch6 R930XXS2CZF5 is an Wear OS 6.0 firmware for 17 countries, 17 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 R930ZCS2CZF5, Android and the bootloader binary are unchanged, so you can switch between the two in both directions. This is the newest build for SM-R930.

Download firmware
9.0/10 (77)8,245 times
Wear OS 6.0
OS Version
2026-07-06
Build Date
2026-07-05
Security patch
17
Countries
17
CSC codes
2
Bootloader binary

Bootloader binary 2. 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#.
    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: R930XXS2CZF5
    ModelRegionCSC VersionRelease dateSizeFile nameDownload
    SM-R930
    ACR Saudi Arabia
    AFR Kenya
    ARO Argentina
    ATO Austria
    +12 more countries
    AUT Switzerland
    BGL Bulgaria
    BNG Bangladesh
    BRI Taiwan
    BTU United Kingdom
    BVO Bolivia
    CAC Uzbekistan
    KOO South Korea
    XAA United States
    XSE Indonesia
    XXV Vietnam
    ZTO Brazil
    		R930OXM2CZF5 2026-07-06 3.665 GiB
    SM-R930_3_20260706151720_cz3cjnoc6v_fac.zip
    		Download
    SM-R930
    XJP Japan
    		R930SJP2CZF5 2026-07-06 3.539 GiB
    SM-R930_3_20260706161441_gs48m3j2dn_fac.zip
    		Download

    No matching downloads

    How to flash R930XXS2CZF5

    • R930XXS2CZF5 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.

    What's new in R930XXS2CZF5

    • 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: July 2026

    SMR Jul-2026 fixes 53 vulnerabilities, 6 of them critical. Android Security Bulletin: 39, Samsung-specific issues (SVE): 14.

    Most severe Samsung fixes:

    • critical Out-of-bounds write in libsavsac.so prior to SMR Jul-2026 Release 1 allows remote attackers to execute arbitrary code. (CVE-2026-21042)
    • high Improper authorization in KnoxGuardManager prior to SMR Jul-2026 Release 1 allows local attackers to bypass the persistence configuration of the application. (CVE-2026-21044)
    • high Out-of-bounds write in parsing TIFF format in libimagecodec.media.quram.so prior to SMR Jul-2026 Release 1 allows remote attackers to write out-of-bounds memory. (CVE-2026-21045)

    All fixes and Galaxy models with this patch

    Rollout of R930XXS2CZF5 by region

    Samsung released this build in all regions (16) on the same day, July 6, 2026.

    Device specifications

    • Launched withWear OS
    • Battery capacity300 mAh
    • Weight28.7 g
    • Waterproof up to50 m
    • Band colourBlack

    Specifications of SM-R930N, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.

    Frequently Asked Questions

    R930XXS2CZF5 is Wear OS 6.0 firmware for Samsung Galaxy Watch6, released for 17 countries, 17 CSC codes. It includes the 2026-07-05 security patch. Samsung built it on 2026-07-06.

    SMR Jul-2026 fixes 53 vulnerabilities, 6 of them critical. Android Security Bulletin: 39, Samsung-specific issues (SVE): 14.

    Yes. R930XXS2CZF5 is the newest build for SM-R930 on SamFirm. The previous build was R930ZCS2CZF5.

    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 Watch6 must be on bootloader binary 2 or lower.

    This build uses bootloader binary 2. It can be flashed on a Samsung Galaxy Watch6 running binary 2 or lower; if the device already has a higher binary, Odin stops with "SW REV CHECK FAIL". 14 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 Watch6

    • 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.

    • 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 11 older builds

    • 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.

    • 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.

    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.

    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.

    No changelog details available.
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