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19h ago

Samsung’s One UI 8 Reaches Galaxy S25 Phones Worldwide as US Rollout Begins

Samsung is executing a phased release, with broader Galaxy models slated for October–November per regional schedules.

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Samsung Galaxy S25 review photos.
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Overview

  • After launching in South Korea, the stable Android 16–based One UI 8 update has expanded to India, Germany and the UK and is now available for Galaxy S25 devices in the US.
  • US packages are full public OTAs around 3.8GB (firmware S93xUSQU5BYI3), while prior beta participants elsewhere are seeing smaller ~565MB builds (S93xBXXU5BYI3) with the September 2025 security patch.
  • Samsung’s regional community posts in Korea and Brazil list October–November windows for the S24/S23/S22 lines, recent Galaxy Z foldables, key A‑series phones and Tab S10/S9/S8 models.
  • The release focuses on multimodal AI and usability, adding tools such as Gemini Live, Now Bar and Now Brief, refinements to split‑screen and DeX, and stronger protections via Knox Enhanced Encrypted Protection and Knox Matrix.
  • Leaked server listings indicate early One UI 8.5 test builds for the Galaxy S25 series, which outlets report are internal and likely target an incremental update closer to the Galaxy S26 launch.