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One free scan finds every outdated or missing driver and matches the right update for your exact hardware.Free scan · exact hardware matchYou can reduce some data sharing from a Galaxy Watch, but there is no single switch that blocks Samsung from every data path. The practical controls are spread across Galaxy Wearable, Samsung Health, and Android’s Health Connect. Review diagnostics, app permissions, sync settings, and—if you want to remove stored records—Samsung Health’s download and erase options.
What data goes where
Samsung documents a health-data route from the watch to Samsung Health on the paired phone, with optional syncing from Samsung Health to Health Connect when the relevant permissions are enabled. Health Connect is an Android mobile app, not an app for Wear OS watches. Samsung lists activity, exercise, heart rate, and sleep among data types that can sync through this connection. Samsung’s Health Connect FAQ also says synchronization is supported beginning with Samsung Health version 6.22.5; available settings and behavior can change, so check the current apps on your phone.
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Health records are only one category. Samsung’s U.S. Galaxy Wearable Privacy Notice describes possible collection of Samsung account identifiers, device type and configuration, location-related information, and backup and restore information. It says diagnostic, technical, error, and usage information is collected if you agreed to send diagnostic data. Linked Samsung and third-party services may have their own privacy notices, too. A setting that limits one category or connection does not establish that all other collection or processing has stopped.
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1. Review optional diagnostic sharing
Check the diagnostics controls available on your phone and watch, and confirm what each setting covers before changing it. The precise menu names can vary by device, software, and app version; use the settings search if the labels below do not match.
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- Open Galaxy Wearable on the paired phone. Look in its settings for a diagnostics or usage-data option, if one is offered, and review whether you agreed to share diagnostic data.
- Check Samsung Health separately. Review its settings for diagnostic or data-sharing controls. Do not assume a Galaxy Wearable choice automatically applies to Samsung Health or other Samsung services.
- If using Google Fit, inspect its Diagnostics setting separately. Samsung’s Google Fit trackers on Wear OS Galaxy Watches guide describes a diagnostics setting for sharing diagnostic data with Google. That control concerns Google Fit; it is not a global Samsung opt-out.
Samsung’s notice ties the diagnostic, technical, error, and usage information it describes to user agreement to send diagnostic data. The notice does not establish that a particular toggle disables every diagnostic channel, so treat this as a limited control rather than a complete privacy block.
2. Audit Samsung Health access for connected apps
Apps that use Samsung’s Health Data SDK request permissions by data type and access type. Samsung’s Data permission documentation says SDK-using apps appear in Samsung Health settings, where you can review and remove access you no longer need.
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- Open Samsung Health on the phone paired with your watch.
- Open the app’s Settings and find the section for data permissions or connected apps. Labels can differ by app version.
- Review each listed app’s permitted data types and access. Revoke permissions that are unnecessary for features you still use.
This is a useful audit of apps using Samsung’s SDK, not a guaranteed inventory of every recipient, service, or data flow. Check the privacy settings and notices of services you have linked separately.
3. Limit Samsung Health access to Health Connect
If you do not want Samsung Health records copied into Health Connect, review the connection on the Android phone—not on the watch—and disable the categories you do not need. If you rely on Health Connect to share records with another app, removing a permission may interrupt that feature.
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- WHY GALAXY WATCH8: Advanced health and sleep tracking features.* A lighter, more snug design for all day comfort.* Improved user interface.* Personal AI assistant for hands free help.⁴* 2-Year Warranty.
- SLEEP SMARTER. LIVE BETTER: Energize your days with a great night’s rest using Advanced Sleep Coaching¹ - improved with even more ways to keep your nights on track. Plus, Bedtime Guidance² helps you find your optimal bedtime.
- YOUR RUN, YOUR COACH: Step up your running routine with a Running Coach³ that analyzes your performance and gives you real-time feedback. Training for an event? Try specific programs built for 5Ks, marathons and more.
- NEW DESIGN. LIGHTWEIGHT FEEL: Maximize your days with a minimalist design. The sleek, thinner-than-ever silhouette makes Galaxy Watch8 look as good as it functions. With a snug fit and sporty style, it gives you readings without getting in your way.
- A PERSONAL ASSISTANT, RIGHT ON YOUR WRIST: Your Watch just became your personal assistant.⁴ Stay one step ahead of your day with a watch that helps you navigate your tasks and to-do lists.
- On the paired Android phone, open Health Connect.
- Open its app-permissions or connected-apps area and select Samsung Health.
- Review the read and write permissions by data category. Turn off access for categories you do not want shared, such as activity, exercise, heart rate, or sleep.
- Open Samsung Health afterward and check the connection status. Samsung says Health Connect permission changes may require opening Samsung Health for synchronization to take effect.
Samsung documents the path as Galaxy Watch → Samsung Health on the paired phone → optional Health Connect sync, subject to permissions. Disconnecting or narrowing that last connection limits this route; it does not delete Samsung Health records or control unrelated data collection described in the Galaxy Wearable notice.
4. Download or erase Samsung Health data
If your goal is to keep a copy or remove Samsung Health records, Samsung provides separate download and erase actions. These are consequential account-data operations, not routine sync toggles. Its U.S. support instructions say erasure covers Samsung Health data on the phone or tablet and on Samsung Health servers, may take time, and prevents sign-in until deletion finishes.
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- In Samsung Health, open Settings and choose Download personal data if you want a copy before removal.
- Follow the prompts to request and save the download.
- If you still want deletion, return to Samsung Health settings and choose Erase personal data, then confirm the action.
- Wait for the deletion process to finish before trying to sign in again.
Samsung’s Download or erase your personal data from Samsung Health instructions describe these steps. Erasing Samsung Health data is not the same as turning off Health Connect permissions: one concerns stored Samsung Health data, while the other limits a connection.
Should you switch to Google Fit instead?
Not as a universal workaround. Samsung’s U.S. support guide names Galaxy Watch4, Watch5, and Watch6 as Wear OS models that can use Google Fit trackers, and says earlier Tizen models are incompatible. It also says Samsung Health and Google Fit data cannot be synced and Google Fit on the watch does not include a sleep tracker. Those limits make Google Fit a model- and feature-dependent choice, not a general way to bypass Samsung Health. Check current compatibility for newer watches and the exact apps you use.
Quick Recap
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Use the control that matches the data path
- Diagnostics: review optional diagnostic sharing in the relevant app; do not treat one setting as a system-wide opt-out.
- Connected apps: remove unneeded Samsung Health SDK permissions by data type.
- Health Connect: narrow Samsung Health’s Android permissions if you want to limit that sync path.
- Stored Samsung Health records: download a copy or erase data using Samsung Health’s dedicated options.
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