SM-L345N firmware

Stock firmware and official updates for the Samsung Galaxy Watch9 (SM-L345N), by region.

Software support

Update policyQuarterly security updatesOn Samsung's current security update list

Security updates untilJul 31, 2031As published by Samsung

Latest firmwareAndroid 17L345NKOU1AZH6 · built Sep 29, 2026

RegionBuildAndroidSecurity patchDateDetails

South Korea KOOBuildL345NKOU1AZH6AndroidAndroid 17Security patch—BuiltSep 29, 2026DetailsDownload

South Korea KTC

Builds in our firmware catalog, newest first.

BuildAndroidBuiltRegions

L345NKOU1AZH6AndroidAndroid 17BuiltSep 29, 2026Regions1 CSC

L345NKOS1AZH4AndroidAndroid 17BuiltAug 24, 2026Regions4 CSCs

L345NKOU1AZH2AndroidAndroid 17BuiltAug 13, 2026Regions4 CSCs

L345NKOU1AZFLAndroidAndroid 17

Taken from the SM-L345F; this model can differ (chipset, network bands).