1. Find "Silence Unknown Callers"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-7205093e-fe13-4b8b-bcd9-33361050edf0.png?width=204&height=366)
Press Phone.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-1084e940-226e-41e2-b131-4f14f2914969.png?width=204&height=366)
Press Silence Unknown Callers.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-f584e898-546d-4d70-be80-02ee1f08df0b.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-2a914af6-8f40-4afc-8aa9-2decb1c5d0e5.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-2a914af6-8f40-4afc-8aa9-2decb1c5d0e5.png?width=204&height=366)