SM-L505N 1 country Android 16

Samsung Watch8 Classic 46mm L505NKOU1AYFE Firmware

Name: Samsung Watch8 Classic 46mm (SM-L505N)
Brand: Samsung
Availability: InStock

Samsung Watch8 Classic 46mm L505NKOU1AYFE 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. A newer build for SM-L505N is available: L505NKOS3AZF4.

8.9/10 (36)145 times

Android 16

OS Version

2025-07-04

Build Date

n/a

Security patch

Countries

CSC codes

Bootloader binary

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

Newer builds of Samsung Watch8 Classic 46mm use bootloader binary 3 (latest: L505NKOS3AZF4). 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.

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: L505NKOU1AYFE

Model	Region	CSC Version	Size	File name	Download
SM-L505N	SKC South Korea	L505NOKR1AYFE	3.754 GiB	SM-L505N_1_20250704085220_bdmexn2c9b_fac.zip

Device specifications

Launched withWear OS
Display diagonal3.3 cm (1.3")
Display technologyAMOLED
Display resolution438 x 438 pixels
RAM2000 MB
Flash memory64 GB
Battery capacity445 mAh
Weight63.5 g
Band colourWhite

Specifications of SM-L505F, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.

How to flash L505NKOU1AYFE

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

L505NKOU1AYFE 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

L505NKOU1AYFE is Android 16 firmware for Samsung Watch8 Classic 46mm, released for South Korea (SKC). Samsung built it on 2025-07-04.

No. A newer build for SM-L505N is available: L505NKOS3AZF4. Install it instead of L505NKOU1AYFE unless you need this exact version.

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 3.754 GiB; keep about twice that free on the computer to unzip it. The Samsung Watch8 Classic 46mm must be on bootloader binary 1 or lower.

This build uses bootloader binary 1. It can be flashed on a Samsung Watch8 Classic 46mm 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.