During workout I'm using my watch 4 and Samsung health app. The data on watch 4 (steps, sleep, energy, blood oxygen) everything syncing with Samsung health app on phone. But from last two days there's no syncing of data between watch 4 and phone. Dat...

Should samsung allow galaxy watch users to upgupgrade to higher versions?Can I exchange my old watch for a new one?

I have watch 4, which i am facing health app syncing issues. Even after restarting neither device nor the app responding.