1. Open the settings app on your iPhone
2. Click into the search bar at the top and type "Phone", Click on the top result that shows up (2nd screenshot)
3. Scroll all the way to the bottoms of the Phone Settings until you see the options highlighted in the red box below
4. Click into Live voicemail and toggle this option OFF
5. Click into "Silence Unknown Callers" and toggle this option ON
6. Click into "Call Blocking & Identification" - in here you will see two options from "Lifeguard" - you will want to toggle both of these on
7. You've done it! Return to the Lifeguard app and mark these steps complete!