Hello user10tFMxwQSB, I understand that after reinstalling the Samsung Health app all of your step data didn't restore. To restore your data make sure you have a network connection and you are logged into the same Samsung account you previously backed up your data to.
1. Open your Samsung health app 2. Select More options icon on the top right corner 3. Select Settings 4. Click on you Samsung account and select Samsung Cloud 5.Select Restore data 6.Lastly, select the options you'd like
