For Android users, ensure that the watch is connected to the phone using the Da Fit app. Open the Da Fit app and swipe down on the Homepage screen to sync data. If the issue persists, restart the watch and try again.

For iOS users, ensure that the watch is connected to the phone using the Da Fit app. Open the Da Fit app and swipe down on the Homepage screen to sync data. If the issue persists, restart the watch and try again. 

If you are still unable to sync data, close the Da Fit app and make sure it is not running in the background. Open the app again and try syncing data once more.