Samsung is preparing to launch its beta program for the upcoming One UI 9.5 operating system, following the appearance of the beta firmware version designated for the Galaxy S26 Ultra on the company's update servers in South Korea and the United States. This step is the most prominent indicator of the approaching opening of registration for testers and users interested in trying out new features before the official stable release, which is expected to arrive with the anticipated Galaxy smartphone series in early 2027.
Although Samsung has not officially announced the start date of the program, expectations indicate that registration could kick off within the few coming weeks, based on the timeline of previous releases such as One UI 8.5, which began testing in early December of last year. Initial data indicates that the spotted version, bearing the build number S948BXXU6ZZK3, currently targets the S26 Ultra, with expectations that it will include other models such as the S25 series, Z Fold 8, and Z Flip 8 devices later.
Registration Steps and Geographical Restrictions
The enrollment program will operate in the usual manner via the Samsung Members app, provided that a Samsung account is available and the user resides in one of the countries included in the beta program, such as the United States, Germany, India, Poland, South Korea, and the United Kingdom. Samsung also usually requires that devices be unlocked from carrier contracts to receive the beta version directly.
What Actually Changes?
The One UI 9.5 interface is based on Android 17 and represents a mid-cycle update to enhance the user experience and add advanced software improvements. Users wishing to participate are advised to take a full backup of their data via the Smart Switch tool before installation due to the possibility of software bugs in beta versions, noting that returning to the stable version requires completely wiping data via a computer if the user wishes to withdraw later.