How to open the photo grid line of Apple mobile phone?

The steps to open the photo grid line of Apple mobile phone are as follows:

1. Open the camera application: find the camera icon from the iPhone home screen, and then click Open the camera application.

2. Enter the camera settings: In the camera application, click the "Settings" icon at the top of the screen, usually a gear icon.

3. Enable gridlines: In the camera settings menu, scroll down until you find the option of Grid or Gridline, and then click it to enable gridlines.

4. Return to the shooting interface: After the grid line is enabled, you can click "5" in the upper left corner. Now, when you return to the shooting interface, you should see the grid lines displayed on the screen. These lines can help you better compose and align the subject, and ensure that photos or videos are taken more accurately and orderly. If you need to turn off the grid lines, just visit the camera settings again and turn off the corresponding options.