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A user changes the watch face on their Samsung Galaxy Watch 4.

Credit: Kaitlyn Cimino / Android Authority
  • Samsung has officially launched One UI Watch 4.5, which is based on Wear OS 3.5
  • It brings new features such as a new typing experience.
  • It will come to the Galaxy Watch 4 series and likely launch on the Galaxy Watch 5 series.

When the Galaxy Watch 4 series launched, the wearables came with Wear OS 3. However, it wasn’t “pure” Wear OS, because this is Samsung we’re talking about. Skinned over Wear OS was Samsung’s own software.

That was One UI Watch 4. Today, Samsung is formally launching the latest iteration of this skin to be known as One UI Watch 4.5. It is a skin for Wear OS 3.5.