1. Find "Phone"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-21d7a905-4c75-4f06-9feb-a01b697fcf2d.png?width=192&height=340)
Press Phone.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-6d37efeb-24df-4a43-b1a7-b893b9aebab8.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-8c101a99-586a-457f-901a-544839fdfd55.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-b352bcd5-361c-4469-818b-47ff9a5e669e.png?width=192&height=340)