1. Find "Phone"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-fa42d916-705a-41f6-b80e-dd5e80c2db77.png?width=206&height=448)
Press Phone.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-14e9b7de-2c00-4ee1-9fdd-b55b55f452de.png?width=206&height=448)
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-9bdb94d1-1289-4d04-8556-23aa73504de5.png?width=206&height=448)
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-2767cf31-bac7-4f47-b26c-6e654c0243bf.png?width=206&height=448)