Samsung Galaxy Watch 4 One UI 8 Watch Update Expands Globally

Samsung has initiated the broader international rollout of its One UI 8 Watch update for the Galaxy Watch 4 and Galaxy Watch 4 Classic, marking a significant step beyond its initial limited release in South Korea earlier this month. The update is now becoming available in key markets including India and the United States.

Update Details and Availability

The rollout currently targets the non-cellular (Wi-Fi and Bluetooth) variants of the smartwatches. Users of cellular models can expect to receive the update in the near future as the deployment progresses. The new firmware is identified by version R860XXU1JYK4.

In addition to the One UI 8 Watch software overhaul, this update includes the October 2025 security patch, which addresses multiple vulnerabilities to enhance device protection. To install the update, owners are advised to open the Galaxy Wearable app on their paired smartphone, navigate to Settings > Software update, and select Download and install.

What One UI 8 Watch Brings

One UI 8 Watch, based on Wear OS, introduces a range of new features and improvements designed to refine the user experience. While a comprehensive changelog details all enhancements, the update focuses on optimizing performance, adding new customization options, and improving health and fitness tracking capabilities. These changes aim to extend the functionality and longevity of the 2021-released Galaxy Watch 4 series, keeping it competitive with newer wearable offerings.

Conclusion

The global expansion of the One UI 8 Watch update for the Galaxy Watch 4 series demonstrates Samsung's ongoing commitment to supporting its existing wearable ecosystem. By delivering substantial software upgrades and critical security patches, the company ensures that even older models remain secure and feature-rich. Users in newly included regions should watch for update notifications and prepare to explore the refreshed interface and capabilities on their devices.