1. First, click on the photo on the phone desktop.

2. Then click Select in the upper right corner of the screen.

3. Then select the photo you want.

4. Then click the share icon in the lower left corner of the screen.

5. Then click on the device to transfer.

6. Then click "Accept" on another Apple phone.

7. Through the above operations, transfer the photos from the Apple mobile phone to another Apple mobile phone.