Over time, the photos you take with your iPhone can start to take up a significant amount of space on your device, leaving little room left for apps, music, video and other content. One option is to move your photos from your iPhone to an external storage device, such as a thumb drive. You can copy files from your iPhone to a thumb drive through Windows Explorer; however, to free up the space on your iPhone you still need to delete the photos from your device after you copy them. Writer Bio