1. Find "Silence Unknown Callers"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-42341d51-cd0e-4398-b29e-39ef3b479dd1.png?width=210&height=454)
Press Phone.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-9884b067-2a0d-4380-b8d2-9e719bd7f67e.png?width=210&height=454)
Press Silence Unknown Callers.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-50acfe8d-d76d-4c48-855d-f2892d4812af.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-e9dc7806-7027-4550-b3ed-10d689e17731.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-e9dc7806-7027-4550-b3ed-10d689e17731.png?width=210&height=454)