Here are the key steps to set up accounts on your device:
1. During initial device setup, add your existing Samsung account or create a new Samsung account. This allows access to Samsung content and apps.
2. Also during initial setup, add your existing Google account or create a new Google account. This enables features like Gmail, Google Hangouts, and the Google Play store.
3. You can also add accounts like email accounts at any time through the Accounts settings.
4. Signing into a Google account turns on Factory Reset Protection, which prevents others from using your device if it's reset without your permission.
5. Remember to remove your Google account if sending the device for service or before