Samsung is readying One UI 8 for its Galaxy S25 Ultra, and the the first beta build (S938BXXU3ZYEA) has already been spotted on test servers by leaker Tarun Vats. Set for a mid-June 2025 public beta release, this Android 16-based update promises a smoother, refined experience, debuting on the Galaxy Z Fold 7 and Flip 7 in July.

The Galaxy S25 series launched with One UI 7 (based on Android 15) in January 2025, which only started rolling out to the previous flagships a month ago. However, One UI 8 is already in the works, with a beta build for the S25 Ultra already spotted on Samsung’s servers.

One UI 8, which is reportedly built on One UI 7’s foundation, focuses on refinements like improving the animations even further.
The public beta, expected mid-June per Vats, will let S25 users test features like an updated Quick Share UI, enhanced DeX, and a more secure Secure Folder using Android’s private space API. Performance in this beta will hint at the stable release timeline, likely August or September 2025. The Galaxy Z Fold 7 and Flip 7, launching in July, will ship with One UI 8, a first for Samsung’s foldables.
Leaked screenshots show subtle UI tweaks, like transparent pop-up menus and new wallpaper colors, but some call it a minor “One UI 7.1” upgrade. With “One UI 8.5” already rumored for the S26 series, Samsung is definitely moving fast. Will One UI 8’s smoother animations and AI tweaks impress, or is it too incremental? Only time will tell.
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