1. Find "Silence Unknown Callers"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-13890e03-aa13-4089-8722-834252293340.png?width=210&height=454)
Press Phone.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-b706c17e-893c-4480-a80b-ef36256e8dff.png?width=210&height=454)
Press Silence Unknown Callers.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-40d5d049-ca22-41db-9f51-054cb5394b32.png?width=210&height=454)
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-2a0a4b12-f715-44ed-ab2f-07fec1cf5070.png?width=210&height=454)
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/7151223-f-2a0a4b12-f715-44ed-ab2f-07fec1cf5070.png?width=210&height=454)