1. Find "Phone"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-3a876653-c4b6-49f3-84d6-ff8f9a85eded.png?width=206&height=444)
Press Phone.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-e1d69c80-ec50-4069-aa0f-5b96b4c5efde.png?width=206&height=444)
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-0c517c25-02f0-4712-8ddb-c958ebf49bb2.png?width=206&height=444)
3. Return to the home screen
Slide your finger upwards starting from the bottom of the screen to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-74b155e3-1628-4c9e-9ff8-ec07e96bebc8.png?width=206&height=444)