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Which three features does One UI 8 Watch add?
Running Coach
Running Coach offers guidance for outdoor runs. Samsung says setup is required and the watch needs at least 12 minutes of running with GPS enabled before the feature can be used. Galaxy AI features also require a compatible Galaxy phone, Samsung Health and a Samsung account. Samsung’s July 22, 2025 announcement provides those requirements.
Vascular Load
Vascular Load is designed to track vascular load. To establish an initial baseline, Samsung says to wear the watch while sleeping for three nights within a two-week period. Samsung explicitly says this feature is not intended for medical use.
Antioxidant Index
Antioxidant Index is another health tool included in the update. Samsung likewise says it is not intended for medical use; it should not be treated as a diagnosis or a substitute for medical advice.
The Tool Desk
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What else changes in the watch interface?
Multi-Info Tiles and Now Bar
Multi-Info Tiles bring information such as health metrics and weather into a customizable glanceable view. Samsung describes the Now Bar as a way to keep supported app activity accessible. Samsung Design says the update organizes tiles into three default pages, with customizable tiles and notifications grouped by app and expandable. Samsung’s figure is that information once spread over more than 10 pages is now organized into three default pages; that describes the interface layout, not a performance test. Samsung Design’s One UI 8 Watch overview explains the layout.
Other reported Watch 7 changes
In its report on the Galaxy Watch 7 rollout, Android Central also noted a new charging notification view, updated app icons, an improved notification interface and double-pinch gestures. These are details reported for that rollout, not a guarantee that every model and region receives an identical set of changes.
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Which Galaxy Watches can get the update, and when?
Samsung announced One UI 8 Watch availability for Galaxy Watch Ultra on July 22, 2025, and said the update would roll out progressively to previous Galaxy Watch models. Android Central reported that the Galaxy Watch 7 rollout began in South Korea on October 13, 2025. Samsung’s announcement does not provide a complete current schedule by model and country, so those dates do not establish availability for every owner.
Samsung says availability and features can vary by market, model and paired smartphone. Check the software update screen on your own watch and Samsung’s current support information for your region rather than assuming every eligible generation has received the same package.
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What to check before using the new health tools
- For Running Coach, confirm GPS is on and complete the required outdoor-running setup and initial run.
- For Vascular Load, allow for the three nights of sleep tracking within a two-week period needed to establish its initial baseline.
- Confirm that your watch model, region and paired phone support the feature you want to use; Samsung says Galaxy AI features need a compatible Galaxy phone, Samsung Health and a Samsung account.
- Use these tools as wellness features, not as medical diagnosis or treatment. Samsung explicitly states that Vascular Load and Antioxidant Index are not intended for medical use.
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