Samsung opened a beta program for the Galaxy Watch4 and Watch4 Classic in May and released the first One UI 4.5 beta a week later. Now comes the second beta, R860XXU1ZVF5, which will be launched in South Korea.

Here is the changelog (translated automatically):

  • Bug fixes
  • Improved GPS stability
  • Improved app performance
  • More stable health monitoring functions, improved running and swimming performance
  • Fixed slowdowns and unexpected closure of the Health app
  • Stabilized Power Consumption: Fixed My Photo and My Style background photos, also fixed issues with AR emoji font not being restored when data is restored
  • Fixed the call receiving screen not displaying when playing Watch Music when connecting Watch and Buzz
  • Fixed an issue where the reminder alarm remained after being postponed
  • Fixed a layout issue for the weather screen when the font size was enlarged
  • Other improvements

The previous beta version added an interface for dual-SIM functionality, improved notifications, integrated keyboard (including voice transcription and handwriting recognition), as well as adding more options for setting alarms.

Second One UI Watch 4.5 beta is being launched for Samsung Galaxy Watch4 and Watch4 Classic
Second One UI Watch 4.5 beta is being launched for Samsung Galaxy Watch4 and Watch4 Classic

Second One UI Watch 4.5 beta is being launched for Samsung Galaxy Watch4 and Watch4 Classic

If you want to participate in the beta program, you will need the Samsung Members app. You must also be in a supported region – if you are, you will see a banner inviting you to join. For this particular update you will also need to run Galaxy Watch 4 Manager for Beta 2.2.11.22062011.

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Philip Owell

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