1. Find "Phone"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-6037dd6a-bfbe-4294-b405-6d45c5820d4e.png?width=210&height=454)
Press Phone.
![](http://wmstatic.global.ssl.fastly.net/ml/7140723-f-6ffdb6bb-62bc-4dbd-bc43-452df22cec89.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/7140723-f-0319a8c7-2384-42d7-973c-5338762c3f4c.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/7140723-f-3aaa63a2-3795-4d2e-818c-a78678d71134.png?width=210&height=454)