How to Enable USB Debugging on Android Phone
With USB debugging, you can transfer data from Android to computer or install application with much convenience. However, when you buy a new Android phone, for example, HTC, Motorola, Samsung, Sony Xperia, Lenovo, LG, Google Nexus and so on, USB debugging is not on. So, you'd better enables USB debugging as soon as you buy a new Android phone. After switching on USB debugging, you can connect Android smartphone to PC so as to back up data from devices to computers or drag and drop files to the phone as well.
