1. Find "Phone"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-c7a9fbc1-a5c7-417e-8b68-9f02f77cbdf5.png?width=192&height=340)
Press Phone.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-8289534c-aafe-4888-928e-ce46cfef1bee.png?width=192&height=340)
Press Silence Unknown Callers.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-c329b932-56d5-4ae2-ac7f-06c841bdce84.png?width=192&height=340)
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/7140723-f-0cca3939-c465-4325-809f-9dd8ae55ee6c.png?width=192&height=340)
3. Return to the home screen
Press the Home key to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-0cca3939-c465-4325-809f-9dd8ae55ee6c.png?width=192&height=340)