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== enable USB debugging ==The USB debugging feature is sometimes needed to do things such as connect via USB cable to a PC for the purpose of basic file transfer, so that the Android device appears as a simple drive letter on the Windows machine. USB Debugging Mode was actually designed to facilitate a connection between an Android device and a computer with [[Android Software Development Kit]] (SDK). USB Debugging Mode is used to establish a direct connection between an Android device and a PC. USB Debugging is also necessary to root the Android device. On an Android phone with Android version 2.3.3* Menu -> Settings -> Applications -> Development -> USB Debugging