1. Find "Phone"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-6941ab6a-5ce1-4bc2-85e1-c9bab3ea7590.png?width=200&height=354)
Press Phone.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-df391232-252e-4db2-aca4-de3864ab5efe.png?width=200&height=354)
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-5b1f880d-3e8b-470e-8dd0-0d903dfd6fdb.png?width=200&height=354)
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-fcfc54bf-b36a-4b20-9059-15e5144d7712.png?width=200&height=354)