Are you looking for a simple and efficient way to transfer files from a USB device to your Android phone? Have you tried using an USB OTG cable, but were not successful in connecting the two devices? If the answer to either of these questions is yes, then you should definitely try using the USB OTG File Manager app.

This app is an extremely simple and easy-to-use tool that can be used to transfer files from a USB device to your Android phone. With this tool, you will not need to go through the complicated process of connecting two devices through a USB cable. You can easily download the app and start using it. 

Once the app is installed, you will need to open it and connect the USB device that you want to transfer files to. After that, you will be able to start transferring files.