If you have an iPhone and want to delete photos from it, there are a few steps you can take to do so without deleting them from your Mac. First, open the Photos app on your iPhone and click on the three lines in the top left corner of the main screen. This will show you a list of all of your photos. Scroll down and select one or more photos to delete. Once you have selected a photo to delete, tap on the Delete button at the bottom of the list. If you have an iPad, you can also delete photos by opening Photos on your iPad and clicking on the three lines in the top left corner of the main screen. Scroll down and select one or more photos to delete. Once you have selected a photo to delete, tap on the Delete button at the bottom of the list.