SM-L505N firmware

Stock firmware and official updates for the Samsung Galaxy Watch8 Classic (SM-L505N), by region.

Software support

Update policyQuarterly security updatesOn Samsung's current security update list

Security updates untilDec 31, 2030As published by Samsung

Latest firmwareAndroid 16L505NKOS3AZF4 · built Jun 24, 2026

RegionBuildAndroidSecurity patchDateDetails

South Korea KOOBuildL505NKOS3AZF4AndroidAndroid 16Security patch—BuiltJun 24, 2026DetailsDownload

South Korea KTC

Builds in our firmware catalog, newest first.

BuildAndroidBuiltRegions

L505NKOS3AZF4AndroidAndroid 16BuiltJun 24, 2026Regions4 CSCs

L505NKOS3AZE1AndroidAndroid 16BuiltMay 20, 2026Regions4 CSCs

L505NKOU3AZB2AndroidAndroid 16BuiltFeb 3, 2026Regions4 CSCs

L505NKOU2AYK1AndroidAndroid 16

Taken from the SM-L505F; this model can differ (chipset, network bands).