How do Apple 6 phone book and SMS display photos?

The steps of setting the screen to display the photo of the other party when an Apple phone calls are as follows:

1: Click "Call" on the mobile phone;

2: Click the "Address Book" option at the bottom of the screen;

3: Click the contact person who needs to set the photo to be displayed during the call;

4: On the contact page, click Edit in the upper right corner;

5: In the editing interface, click "Add Picture" at the top left to add it, and then click "Finish".