Now the passage will be divided into 3 parts so as to show you the way to enable USB debugging for three different version of Android operating system.
Part 1. Enable USB Debugging on Android 2.3 or Earlier
If you use Android 2.3 or the earlier version of Android, you can enable USB debugging as follow: "Settings-Applications-Development-USB debugging"
|Enable USB Debugging on Android 2.3|
If your Android phone is Android 3.0 to 4.1, you can enable USB debugging by clicking "Settings-Developer options-USB debugging"
|Enable USB Debugging on Android 3.0 to 4.1|
For the newer Android operating system like Android 4.2 or newer, for example, Samsung Galaxy Note 3, which carries Android 4.3, you can enable USB debugging
by the following steps:
Step 1. Enter "Settings", then, click "About Phone".
Step 2. Tap "Build number" for 7 times until you get a note "You are under developer mode".
Step 3. Then back to "Setting", then, click "Developer options".
Step 4. The last step, tick "USB debugging"
|Enable USB Debugging on Android 4.2|