A. 1. Check app settings: Go to the app settings and look for options related to data tracking or history. Ensure they are enabled. 2. Sync with the device: Make sure your app is synced with your wearable device to retrieve historical data. 3. Restart the app: Close and reopen the app to refresh the data display.

B. 4. Manually log data: If historical data is not available, consider manually logging your activities in the app.