SM-L325N 1 country Android 16

Samsung Watch8 40mm L325NKOS3AZF4 Firmware

Name: Samsung Watch8 40mm (SM-L325N)
Brand: Samsung
Availability: InStock

Samsung Watch8 40mm L325NKOS3AZF4 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 L325NKOS3AZE1, Android and the bootloader binary are unchanged, so you can switch between the two in both directions. This is the newest build for SM-L325N.

9.2/10 (67)460 times

Android 16

OS Version

2026-07-08

Build Date

n/a

Security patch

Countries

CSC codes

Bootloader binary

Bootloader binary 3. 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.

Will it work on my device?

Paste your current build number from Settings > About phone (About tablet) > Software information, or the output of *#1234#.

MODEM/CP Version: L325NKOS3AZF4

Model	Region	CSC Version	Size	File name	Download
SM-L325N	SKC South Korea	L325NOKR3AZF4	3.727 GiB	SM-L325N_1_20260708174540_hxaeg7nh82_fac.zip

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.

How to flash L325NKOS3AZF4

Install Samsung USB Drivers:Download Official Drivers
Download Odin Flash Tool:

L325NKOS3AZF4 has bootloader binary 3. Your device must run binary 3 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

L325NKOS3AZF4 is Android 16 firmware for Samsung Watch8 40mm, released for South Korea (SKC). Samsung built it on 2026-07-08.

Yes. L325NKOS3AZF4 is the newest build for SM-L325N on SamFirm. The previous build was L325NKOS3AZE1.

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 3.727 GiB; keep about twice that free on the computer to unzip it. The Samsung Watch8 40mm must be on bootloader binary 3 or lower.

This build uses bootloader binary 3. It can be flashed on a Samsung Watch8 40mm running binary 3 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.