The most effective way to manage and clean up your Android device is through the use of a good file removal tool. There are many different apps on the Play Store, but they are not very effective and often fail to completely remove the duplicate files. The best tool for removing duplicate files is Duplicate photo Remover: Free up storage space.

This app is a very useful utility that scans all the photos and videos on your device and removes all the duplicate files. The app has a very user-friendly interface, so even if you don't know how to use it, you will not have any problems learning how to use it.