Latest Samsung Galaxy Watch3 45mm (SM-R845F) - TGY firmware
Samsung Galaxy Watch3 45mm (SM-R845F) firmware for Hong Kong (TGY): 1 build in the SamMobile archive, newest first. The latest is R845FXXU1FVH4 (Tizen 5.5.0.2, built 27 September 2022). Open a build to download it, or switch region with the country selector.