There are many ways to how to remove duplicates photos. the first is to use a duplicate photo finder app on your phone or computer. Just take a photo of the photo you want to remove the duplicate from and then open the app. You'll see all of the duplicates in your camera roll, and they will be sorted by date taken. If you don't have a duplicate finder app, you can also try using Google Image Search. In this method, type in the name of the person or place that you're trying to find a duplicate of and Google will give you a list of photos that are similar to what you are looking for.