One UI 9 Watch: Release Timeline, Eligible Models, and Features

The expected timeline for the rollout, based on multiple Samsung-focused reports, is summarized below:

Reports indicate that the beta will likely first be available for the Galaxy Watch 8 series and the Galaxy Watch Ultra in South Korea and the U.S., before expanding to other regions and older models .

Key Features of One UI 9 Watch

One UI 9 Watch is expected to be Samsung’s implementation of Wear OS 7, which Google released earlier in 2026 . The update is expected to focus on three main areas:

• Improved Energy Management: Google claims that Wear OS 7 can deliver up to 10% longer battery life on a single charge compared to Wear OS 6, so Galaxy Watches could see modest battery life improvements with the update . SamMobile’s reporting also highlights reducing system demands as a key focus of Wear OS 7 .

• Faster System Response: Reports describe smoother operation, broader system optimization, and a refreshed UI design as expected priorities for One UI 9 Watch, building on Wear OS 7’s improvements .

• Deeper AI Integration and Enhanced Health Features: Wear OS 7 includes deeper integration of Google’s Gemini assistant and Android XR features . On the Samsung side, One UI 9 Watch is expected to expand Galaxy AI capabilities, with predictive health reports and more intelligent analysis from the BioActive sensor, rather than just raw data display . Samsung’s own announcements for the Galaxy Watch 9 also mention new health features like Vitals, Heart Health Score, and Hearing Health .

• Live Updates: The Live Updates feature, which appears in the Now Bar, is expected to come to Galaxy Watches with One UI 9 Watch or a subsequent update, enabling real-time activity tracking from apps like food delivery or ride-sharing .

Eligible Galaxy Watch Models

Based on eligibility reporting from Samsung-focused outlets and Samsung’s own update policy for Wear OS 7, the following models are expected to receive One UI 9 Watch . It is important to note that Samsung has not yet published an official eligibility list; these are compiled from multiple reports.

Expected to receive One UI 9 Watch:

• Galaxy Watch 8 series
• Galaxy Watch 8 Classic
• Galaxy Watch Ultra (2024 and 2025 models)
• Galaxy Watch 9 series (pre-installed at launch)
• Galaxy Watch Ultra 2 (pre-installed at launch)
• Galaxy Watch 7 series
• Galaxy Watch FE
• Galaxy Watch 6 series
• Galaxy Watch 6 Classic
• Galaxy Watch 5 series
• Galaxy Watch 5 Pro

Unlikely to be eligible:

• Galaxy Watch 4 series: Despite receiving the One UI 8 Watch update (which was likely its last major update), the Galaxy Watch 4 series is not listed in any of the available One UI 9 Watch eligibility reports . Samsung’s four-year update policy for the Watch 4, which began in 2021, effectively concludes in 2025-2026, supporting this exclusion .
• Older Galaxy Watch models: Models older than the Galaxy Watch 4 series, such as the original Galaxy Watch or Galaxy Watch 3, are not included and are not expected to receive the update.

Important Caveats

• No public One UI 9 Watch beta is available yet, and all timing information is based on reporting and leaks rather than an official Samsung rollout notice .
• The broader One UI 9 internal-testing report covering 37 Galaxy devices is about the Android 17-based phone update, not specifically the Watch build .
• The Galaxy Watch 4 exclusion is based on multiple eligibility reports and its end-of-life support timeline, but Samsung has not made a dedicated statement confirming that the Watch 4 will not receive One UI 9 Watch .