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Samsung Widens Internal One UI 9 Testing While Public Beta Remains on the S26

The company is running Android 17 builds across many Galaxy phones and tablets to prepare a phased rollout tied to upcoming foldable launches.

Overview

  • Samsung's public One UI 9 beta, based on Android 17, is still limited to the Galaxy S26, S26+, and S26 Ultra with users able to register through the Samsung Members app.
  • Reports and internal server sightings show One UI 9 test builds for a broad set of devices including the S24, S25 and S26 series, several A‑series models, Galaxy Tab lines, and both current and unreleased foldables.
  • One UI 9 is described as a refinement release with smoother animations, improved readability, cleaner layouts, and new tools such as a Tap to Share file transfer feature.
  • Samsung has not given firm dates for stable updates, and multiple reports say the company may time a wider One UI 9 debut with its next foldable launches in late July, which remains unconfirmed.
  • Because Samsung plans a staged rollout by device tier and region, some features could be reserved for newer flagships and users should watch beta openings and firmware filings for the first wider releases.