However, there is a simple solution for you if you don’t want to install any new application to protect your data. In this tutorial, I’m going to mention a simple trick for hiding files and folders on Android OS without installing a third party application.
Hide Folders Or Files on Android device
Follow these steps to hide Folders and files without installing any application. 2. Create a new folder and move all your private content(data) in it. 3. Now you need to rename your folder by just adding a dot (.) before the name of your folder. E.g. if your folder name is,New folder rename it to .New folder 4. By doing that your folder will disappear. You don’t need to worry about it because it is just hidden in the device. You will have full access to it like a normal folder. 5. Now in order to see your folder, you just need to unhide it or select show hidden files and folders option. You will find that option by pressing the menu option in a file manager and selecting show hidden folder. This is the easiest way to hide your private files in a folder without using any third party application in your android device.