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Samsung Rolls Out One UI 8.5 Beta 4 to Galaxy S25 With On-Device Direct Voicemail

The update delivers the February 2026 security patch, signaling final polish before a stable release expected around the Galaxy S26 launch.

Overview

  • Beta 4 is now reaching enrolled Galaxy S25, S25+, and S25 Ultra users across South Korea, the US, the UK, India, and Germany.
  • The firmware weighs about 1.5GB with version suffix ZZAL, including the US build S93xUSQU7ZZAL reported by testers.
  • Samsung adds Direct Voicemail to the Phone app, recording messages on the device with live transcription and allowing pickup mid-message without carrier reliance.
  • Samsung’s official changelog lists fixes for a drifting lock-screen clock, Phone app search history, unexpected call switching on Bluetooth headsets, keypad paste behavior, and AI Select not closing after Copy.
  • The broader rollout may take a day or two to reach all beta participants, and a stable One UI 8.5 release is expected to follow the Galaxy S26 debut.