Samsung Galaxy S9 (SM-G960U1) firmware for USA (ATC): 5 builds in the SamMobile archive, newest first. The latest is G960U1UES7DTB2 (Android 10, built 6 February 2020). Open a build to download it, or switch region with the country selector.
We recommend using Samsung’s own utilities, Samsung Smart Switch and OTA (Over-the-air), to upgrade devices. Use SamMobile only if you are 100% sure about the risks involved in flashing
your device. SamMobile is not responsible for any damage caused by using the files on this website.