1. Open the Apple phone, go to the desktop, and select "Settings".

2. In the settings, find the "wallpaper" option and click Enter.

3. In the wallpaper settings, find the wallpaper to be deleted and click it.

4. In the pop-up window, select "Delete wallpaper" option.

5. Confirm the deletion operation, and the selected wallpaper is successfully deleted.

The above is the method to delete the wallpaper of Apple mobile phone, and the operation is relatively simple. At the same time, please note that please confirm whether the wallpaper is no longer needed before deleting it, so as to avoid unnecessary losses.