Samsung Galaxy Watch 4 Series Begins Global Rollout of One UI 8 Watch Update
Samsung has initiated the global rollout of the One UI 8 Watch update for its Galaxy Watch 4 and Galaxy Watch 4 Classic smartwatches. This major software update, based on Wear OS 6, follows its initial release in South Korea and subsequent availability in the United States. The update is now reaching non-cellular variants of the Galaxy Watch 4 Classic in regions across Asia and Europe, marking a significant expansion in its distribution.
Update Details and Availability
The update is identified by firmware version R880XXU1JYK4 for the smaller Galaxy Watch 4 Classic model and R890XXU1JYK4 for the larger variant. It is a substantial download, approximately 1.7GB in size, and includes the October 2025 security patch. Currently, the rollout is focused on the Bluetooth and Wi-Fi models of the Galaxy Watch 4 Classic. The update for the base Galaxy Watch 4 and LTE variants is expected to follow in the coming days.
Owners of eligible devices can check for the update directly on their smartwatch by navigating to Settings > Software update > Download and install. Alternatively, the update can be managed through the Galaxy Wearable app on a paired smartphone.
Key Features of One UI 8 Watch
One UI 8 Watch introduces a comprehensive set of new features and interface improvements designed to enhance the user experience. A central addition is the Now Bar, which provides quick access to ongoing activities such as music playback, timers, stopwatches, and active workouts.
The update brings a redesigned user interface with new app icons for most stock Samsung applications. Users gain more flexibility in organizing their app drawer with the introduction of both a new grid layout and a list layout. A notable productivity enhancement is the ability to create custom Tiles by combining multiple widgets, allowing for personalized at-a-glance information.
Interaction methods are expanded with Double Pinch gestures, enabling users to perform more actions without touching the screen. Notifications have received an overhaul, featuring an improved view and an easier method for responding directly from the watch.
For health and wellness, Samsung has integrated new Bedtime Guidance and Mindfulness features. The update also includes new battery charging animations for a more polished visual experience.
Significance for the Galaxy Watch 4 Series
This update holds particular significance as it is likely the final major software update for the Galaxy Watch 4 series. Launched in mid-2021 with Wear OS 3 and One UI Watch 3.0, these devices have now received several years of substantial software support, culminating in the feature-rich One UI 8 Watch. The global rollout demonstrates Samsung's ongoing commitment to supporting its older wearable devices with the latest software innovations, extending their usability and feature set for existing users.
The expansion of the One UI 8 Watch update to global markets ensures that a wider user base can now experience the latest software enhancements, from improved daily utility with the Now Bar and custom Tiles to better wellness tools, all wrapped in a refreshed interface.