Samsung released the Android 17-based One UI 9 stable update for the Galaxy S25 series a few days ago, but the rollout was limited to South Korea. Well, the rollout has now expanded to the US.
Samsung Galaxy S25 Ultra
The One UI 9 stable update for the Galaxy S25, Galaxy S25+, and Galaxy S25 Ultra rolling out in the US has a firmware version ending with DZIF, while the firmware version for the Galaxy S25 FE ends with CZIF.

Samsung Galaxy S25 Ultra
The update requires a download of around 4GB, but it’s smaller for those who were enrolled in the One UI 9 beta program.
Samsung Galaxy S25
Samsung Galaxy S25+
If you live in the US and haven’t received the stable One UI 9 update yet on your Galaxy S25 series smartphone, you can check for the update manually by navigating to your phone’s Settings > Software update menu.
Samsung Galaxy S25 FE
You can watch the video below to learn about One UI 9.