SM-R965N 1 country Android 16

Samsung Galaxy Watch6 Classic R965NKOU1CYK2 Firmware

Samsung Galaxy Watch6 Classic R965NKOU1CYK2 is an Android 16 firmware for South Korea (KOO, SKC). 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 R965NKOS1BYH1: Android updated from Android 14 to Android 16. A newer build for SM-R965N is available: R965NKOS2CZF5.

Download firmware
9.2/10 (33)271 times
Android 16
OS Version
2025-11-27
Build Date
1
Countries
2
CSC codes
1
Bootloader binary

Bootloader binary 1. Flashing firmware with a lower binary is usually blocked by Samsung anti-rollback.

Newer builds of Samsung Galaxy Watch6 Classic use bootloader binary 2 (latest: R965NKOS2CZF5). If your device already runs binary 2, 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#.
    MODEM/CP Version: R965NKOU1CYK2
    ModelRegionCSC VersionSizeFile nameDownload
    SM-R965N
    KOO South Korea
    		R965NOKO1CYK2 3.48 GiB
    SM-R965N_2_20251127110551_bvg240e548_fac.zip
    		Download
    SM-R965N
    SKC South Korea
    		R965NOKA1CYK2 3.485 GiB
    SM-R965N_2_20251127105551_67eavv6tfq_fac.zip
    		Download

    No matching downloads

    How to flash R965NKOU1CYK2

    • R965NKOU1CYK2 has bootloader binary 1. Your device must run binary 1 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

    R965NKOU1CYK2 is Android 16 firmware for Samsung Galaxy Watch6 Classic, released for South Korea (KOO, SKC). Samsung built it on 2025-11-27.

    No. A newer build for SM-R965N is available: R965NKOS2CZF5. Install it instead of R965NKOU1CYK2 unless you need this exact version. The previous build was R965NKOS1BYH1.

    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 Classic must be on bootloader binary 1 or lower.

    This build uses bootloader binary 1. It can be flashed on a Samsung Galaxy Watch6 Classic running binary 1 or lower; if the device already has a higher binary, Odin stops with "SW REV CHECK FAIL". 7 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 Classic

    No changelog details available.
    Model firmware by region