1. Find "Silence Unknown Callers"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-86c7b86b-d263-4415-9b4f-5aaf4dca98e7.png?width=204&height=366)
Press Phone.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-45c3a32d-7639-4f2f-89c1-3a9422c6f4ef.png?width=204&height=366)
Press Silence Unknown Callers.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-f338dcda-5df9-4a62-a43c-13f2435bff78.png?width=204&height=366)
2. Ignore calls from unknown numbers
Press the indicator next to "Silence Unknown Callers" to turn on the function.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-906b8749-db54-422f-92a6-df498eb43815.png?width=204&height=366)
3. Return to the home screen
Press the Home key to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-906b8749-db54-422f-92a6-df498eb43815.png?width=204&height=366)