1. Find "Silence Unknown Callers"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-653cf248-6e86-4ad3-bacc-0e2aebcc127e.png?width=204&height=366)
Press Phone.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-8750a0df-e7e6-4b1e-aa9f-51ed809b31ae.png?width=204&height=366)
Press Silence Unknown Callers.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-c82ed3d3-84e9-47ef-a8bc-fd2431389091.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-efe7a9fa-d891-456e-af95-789f4166b0de.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-efe7a9fa-d891-456e-af95-789f4166b0de.png?width=204&height=366)