Latest Samsung Galaxy Watch5 40mm (SM-R905N) - LUO firmware
Samsung Galaxy Watch5 40mm (SM-R905N) firmware for Unknown (LUO): 1 build in the SamMobile archive, newest first. The latest is R905NKOS2DZG3 (Android 16, built 27 July 2026). Open a build to download it, or switch region with the country selector.