![Apple iPhone SE](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-8dbcf4b4-f1e0-4e2e-a894-1ff49954d396.png?width=150&height=320)
Apple iPhone SE
iOS 15.0
1. Find "Silence Unknown Callers"
Press Settings.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-3912f2e4-5776-4628-97d2-058a176337bd.png?width=192&height=340)
Press Phone.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-d25b57a7-23e3-4cda-a52a-2c893954d9c1.png?width=192&height=340)
Press Silence Unknown Callers.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-f4f05f63-8a0d-4907-ac56-f1643813b04c.png?width=192&height=340)
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-2a3752d1-5179-445c-a5a5-31094dd8d8d4.png?width=192&height=340)
3. Return to the home screen
Press the Home key to return to the home screen.
![](http://wmstatic.global.ssl.fastly.net/ml/7151223-f-2a3752d1-5179-445c-a5a5-31094dd8d8d4.png?width=192&height=340)