How to call a stranger's phone?

The steps for setting the function of rejecting strange incoming calls on the mobile phone are as follows:

1. First find the "Settings" button on the phone desktop and click it;

2. After entering "Settings", slide down and see a "do not disturb mode", click to enter;

3. After entering the Do Not Disturb mode, turn on the Do Not Disturb mode;

4. After the "Do Not Disturb Mode" is turned on, there is "Allow the following calls" below, click to enter;

5, after entering, set to allow "personal collection" calls;

6. After the setting is completed, enter the phone address book, find the content that needs to be added to the "personal collection" and add it to the personal collection.