How to sync health data to a new wearable

Difficulty
Beginner
Tested on
iOS 18.4 - iPhone 15 Pro, WatchOS 11
You will need
Old wearable, new wearable, stable Wi-Fi, paired smartphone

Step by step

  1. 2 min

    Back up your current health data

    Open the Health app on your smartphone. Navigate to your Profile icon in the top-right corner, select 'Export All Health Data', and confirm the action to create a secure archive. This ensures your historical metrics are stored locally before transitioning to the new hardware.

    Note: Ensure your device is plugged into power to prevent interruption during the export process.
  2. 1 min

    Unpair the existing wearable

    Open the companion app for your old wearable. Locate the device settings menu and select 'Unpair' or 'Remove Device'. This action triggers a final cloud sync and clears the synchronization bridge for your new hardware.

    Note: Keeping the old device paired during setup creates conflict in the sync service.
  3. 2 min

    Pair the new wearable

    Power on the new wearable and bring it into close proximity with your smartphone. Open the manufacturer's companion app and select 'Add New Device'. Follow the on-screen prompts to establish a secure Bluetooth connection.

  4. 1 min

    Restore from backup

    Within the companion app, select 'Restore from Backup' when prompted during the initial configuration. Select the most recent archive created in Step 1 to populate the new device with your historical biometric and activity data.

  5. 1 min

    Validate data integrity

    Navigate to the Activity or Health dashboard in your companion app. Check that your historical step counts, heart rate trends, and sleep logs appear correctly. Syncing may take several minutes depending on the volume of accumulated data.

    Note: If data is missing, toggle the Bluetooth connection off and on to force a refresh.