For Android 2.x.x: 1- Turn-on the Phone Goto 'Settings > Application > Development' 2- And Check 'Usb Debugging' Then Connect Usb Cable To Phone For Android 4.x.x and Above: 1- Turn-on the Phone Goto 'General > About' Tap 7 times on Build Number' 2- Return to General Tab Tap on Developer Options 3- And Check 'Usb Debugging' ON Then Connect Usb Cable To Phone IMPORTANT NOTE: DON'T CONNECT MULTIPLE ANDROID DEVICE IN USB DEBUGGING MODE AT SAME TIME! Waiting For Device... OK[WinUSB] Device Status: [ONLINE] Removing Screen Lock ... OK..OK..Fail! STATUS : 1 | 1 | -4 Rebooting... OK Stopping ADB Service... OK Operation Time: 00:00:04