How to set up a mobile phone so that strange numbers can't come in?

Open the mobile phone housekeeper first;

2. Secondly, click "Harassment Interception";

3. Then click the Settings button in the upper right corner;

4. Then click "Interception Rules";

5. Finally, click "Stop Strangers".

1. Open Settings on your Apple phone;

2. Click "Do Not Disturb Mode" again to turn on the switch behind the Do Not Disturb mode;

3. Click to enter the "Notice" icon below. After entering the notification, click the "Do Not Disturb Mode" icon, and there is a moon on the icon;

4. Click on the middle line "Allow these people to call" and set it as "Personal Collection";

5. Open the Address Book, add the calls that need to be answered to the Personal Favorites, and leave the calls that refuse to be answered in the Address Book;

6. That's how the rejection phone is set up. When a rejected call comes in, you can see the rejected call on the screen of Apple's mobile phone by pressing the home button.