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, navigate: Apps icon > Settings > Developer options (System section).
If not available, navigate: Apps icon > Settings > About > Software information > More then tap Build number seven times.
If presented, enter the current PIN, password or pattern.
Ensure the Developer options switch (upper-right) is turned on .
Tap USB debugging to turn on or off .
If prompted, review the info then tap OK to confirm.