SM-L325N 1 country Android 16

Samsung Watch8 40mm L325NKOU1AYG4 Firmware

Samsung Watch8 40mm L325NKOU1AYG4 is an Android 16 firmware for South Korea (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 L325NKOU1AYFE, Android and the bootloader binary are unchanged, so you can switch between the two in both directions. A newer build for SM-L325N is available: L325NKOS3AZF4.

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9.0/10 (35)344 times
Android 16
OS Version
2025-08-06
Build Date
1
Countries
1
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 Watch8 40mm use bootloader binary 3 (latest: L325NKOS3AZF4). If your device already runs binary 3, 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: L325NKOU1AYG4
    ModelRegionCSC VersionSizeFile nameDownload
    SM-L325N
    SKC South Korea
    		L325NOKR1AYG4 3.76 GiB
    SM-L325N_1_20250806181451_gpepcfgh0m_fac.zip

    No matching downloads

    How to flash L325NKOU1AYG4

    • L325NKOU1AYG4 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.

    Device specifications

    • Launched withWear OS
    • Display diagonal3.3 cm (1.3")
    • Display technologyAMOLED
    • Display resolution438 x 438 pixels
    • RAM2000 MB
    • Flash memory32 GB
    • Battery capacity425 mAh
    • Weight30 g
    • Band colourGraphite

    Specifications of SM-L325F, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.

    Frequently Asked Questions

    L325NKOU1AYG4 is Android 16 firmware for Samsung Watch8 40mm, released for South Korea (SKC). Samsung built it on 2025-08-06.

    No. A newer build for SM-L325N is available: L325NKOS3AZF4. Install it instead of L325NKOU1AYG4 unless you need this exact version. The previous build was L325NKOU1AYFE.

    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 3.76 GiB; keep about twice that free on the computer to unzip it. The Samsung Watch8 40mm must be on bootloader binary 1 or lower.

    This build uses bootloader binary 1. It can be flashed on a Samsung Watch8 40mm running binary 1 or lower; if the device already has a higher binary, Odin stops with "SW REV CHECK FAIL". 2 other builds of this model use the same binary, so you can switch between them in both directions.

    Other builds and changelog for Samsung Watch8 40mm

    No changelog details available.
    Model firmware by region