What is USB OTG and what are the best ways you can use it on your Android device? Here's everything you need to know. USB drives are convenient, but you can’t use one with your phone. Well, unless you have an Android phone and know what USB OTG means. USB On-The-Go (OTG) is a standardized specification that allows a device to read data from a USB device without requiring a PC. With an OTG cable, t