The stable version of One UI 9.0 has also started to reach European Galaxy S25s, after being initially distributed in South Korea and later in the United States. Distribution continues in other markets and, according to reports, the update has also reached Italy.
For Galaxy S25, S25+ and S25 Ultra, the European firmware is identified by the acronym S93xBXXUCDZIF. Users who have participated in beta program can download a package of approximately 550 MBwhile for those who still use the previous stable version the download should exceed 3 GB. The general distribution is scheduled progressively throughout the day.
To check the availability of the update simply open the Settings of your smartphone, enter the Software Update section and start searching for new updates. Before proceeding with the installation, Samsung recommends that you have at least 30% battery and to carry out a preventive backup of the most important data.
Further details and information on One UI 9: distribution and rollout
The rollout also involves Galaxy Z Fold 7 and Galaxy Z Flip 7. The stable version of One UI 9.0 was initially released in South Korea and the United States and is now reaching other countries. For the Galaxy Z Fold 7 firmware F966BXXUCCZIH is indicatedwhile the package intended for beta members has a weight of 540.83 MB.
Users participating in the beta program can also use the two foldable smartphones check the availability of new software directly from the settings. The arrival for those who do not use the test version should follow shortly, while distribution will continue to expand to other markets.
One UI 9.0 is based on Android 17 and introduces several changes compared to One UI 8.5. Samsung has concentrated part of the work on customizing the quick panel, as well as intervening on DeX and Samsung Notes and on some tools dedicated to accessibility.

