1. Find "Phone"
Press Settings.
1. Find "Phone"
Press Apps.
1. Find "Phone"
Press Phone.
2. Ignore calls from unknown numbers
Press Silence to turn on the function.
3. Return to the home screen
Slide your finger upwards starting from the bottom of the screen to return to the home screen.
1. Find "Phone"
2. Ignore calls from unknown numbers
3. Return to the home screen