Samsung One UI Watch 4.5/Wear OS 3.5 complete changelog

One UI Watch 4.5 changelog

Samsung officially introduced the Wear OS 3.5-based One UI Watch 4.5 software system alongside the Galaxy Watch 5 series last month. The company has now officially started pushing the One UI Watch 4.5 version update to older Galaxy smartwatches and you can check its every new feature through the complete changelog mentioned inside.

It should be noted that only the Samsung Galaxy Watch 4 and Watch 4 Classic have received the new OS update so far, whereas, the company has also claimed to bring some select features to the Galaxy Watch 3 and Galaxy Watch Active 2 devices in the coming time.


Moving on, Samsung’s Wear OS 3.5-based One UI Watch 4.5 comes with a slew of new features alongside new customization options and various improvements over the previous ones that will let you seamlessly use your Galaxy wearable.

The most noticeable change among those is the support for a full QWERTY keyboard that will let you send or reply to text messages with more ease. The company has highly focused on improving accessibility options as well as brought support for GIF animation playback on Samsung messages, dual SIM cards, large sizes for font size settings, and much more.

One UI Watch 4.5 changelog

Samsung One UI Watch 4.5 Changelog:

Watch Face

Enjoy new and improved watch laces with enriched style and customizable options.

  • 6 new watch faces (Pebbles, Flower garden, Info Board, Pro analog, Kinetic digits, Gradient number)
  • More customizable options added for existing watch faces (Dial, indexes, Character, Color, Complication, Clock type)
  • New complications have been added

Watch home screen

  • Add watch faces as your favorite, make finding and changing
  • Explore the watch face list to add watch face as your favorite including new watch faces

Camera Controller

  • A feature that allows you to switch between photo and video shooting will be added.
    *Only Sammung flagship models after Galaxy S9 and Note 9 with One 4.1.1 or later are supported

Input Characters

  • You can input characters using the QWERTY keyboard and gestures. (Some languages are not supported)
  • You can switch between different input mode (keyboard, voice input, and handwriting) during text entry


  • GIF animation playback of Samsung message notifications is supported

Phones, Contacts

When Watch is connected to a dual SIM phone.

  • The SIM icon used on the phone as displayed the same on the watch
  • If there is no preferred SIM set on the phone, it can select the SIM to make a call on the watch
  • It supports to make calls through other SIMs on the watch
  • The input field is provided in the message threads.
  • Through the input field, the recently used input mode is supported
  • Draft messages are kept in the input field.


  • Date, alarm name, and snooze settings features are added

Voice recordings

  • Files recorded on the Watch are quickly saved to the connected phone


  • Larger sizes for font size settings are supported.


  • Additional auditory care for “improving ability are supported
  • A “Left and right sound balance” control feature for “hearing aids” was added.


  •  The “Quick commands”  feature, which groups together and runs multiple actions in one command, is supported.

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