1. Find "Silence Unknown Callers"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-1d2f420d-d3ad-4187-a1d0-cd35df771d84.png?width=204&height=366)
Press Phone.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-307a0c8a-81c4-4135-afc5-29a0b05426e8.png?width=204&height=366)
Press Silence Unknown Callers.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-33e66fe4-76a8-4456-ac2a-de1b446128bb.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/7140723-f-dcabeccc-d8eb-4aa1-913c-d71c7cdbd7d3.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/7140723-f-dcabeccc-d8eb-4aa1-913c-d71c7cdbd7d3.png?width=204&height=366)