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Samsung Expands One UI 9 Testing as Beta 6 Rolls Out and Stable S26 Build Appears

The move toward a public release is clear because recent beta fixes, server-hosted stable firmware, and new A-series test builds show Samsung is shifting from flagship trials to broader rollout while device hardware will determine which phones get advanced AI features.

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Overview

  • One UI 9 Beta 6 began rolling out to enrolled Galaxy S26 testers on Tuesday, arriving in countries including South Korea, India, the UK, Germany, and Poland.
  • The Beta 6 package is about 850–851MB, focuses on bug fixes for the Now Brief and camera widgets and Expert RAW photo-saving, and includes the August 5, 2026 security patch.
  • A stable One UI 9 build for the Galaxy S26 series was spotted on Samsung’s servers, a signal that a public S26 release could follow Beta 6 within days.
  • Samsung has started testing One UI 9 on mid-range A-series models with beta firmware traces for the A54 and A55 and an official One UI Beta Program section created for the A57.
  • Core One UI 9 features include Now Nudge, My FanCam, voice Photo Assist, AI Privacy Alerts, and an AI Assistant activity log, but Google’s Gemini Intelligence and other advanced AI tools likely require specific hardware such as higher RAM, and Samsung is already developing One UI 9.5 with features like a leaked My Custom Widget.