Yes, you can delete photos from your phone and keep them in Google Photos. To do this, open Google Photos and click on the three lines in the top left corner of the screen. On the left side of the screen, you’ll see a list of all your photos. On the right side of the screen, you’ll see a list of all your albums. In the top right corner of the screen, you’ll see a button called “Delete.” Click on this button to delete all your photos from Google Photos.