If you need to facilitate a connection between your device and a computer with the Android SDK (software development kit), view this info.
From a Home screen, swipe up from the center of the display to access the apps screen.
Navigate: Settings > System > Developer options.
If Developer options aren't available, navigate: Apps > Settings > System > About phone then tap Build number 7 times.
If presented, enter the current pattern, PIN or password.
Ensure the Developer options switch (upper-right) is turned on .
Tap USB debugging to turn on or off .
If presented with the 'Allow USB debugging?' prompt, tap OK.