USB debugging in Android allows you to connect your phone with the computer and use the Android SDK with it. You can take screenshots, take a log of your phone or even test live apps as you develop etc. The option for enabling or disabling USB debugging is available on every Android device, but is usually disabled.
We have put together a simple tutorial on how to enable USB debugging on Android 4.0 and on previous Android releases. It is also recommended to enable USB debugging before trying out any mods on the phone or doing anything related to where the phone has to be connected to your PC.

How to Enable USB Debugging in Android 4.2 Phones

Google has slightly changed how you can enable USB debugging in Android 4.2. They have hidden the entire Developer options section for people who are not much into developing or using those tools.

How to Enable USB Debugging in Android 4.0 Phones

Here is how you can enable USB debugging on phones that are on Android 4.0 or later.

• Go to Settings.
• Scroll down and tap “Developer options”.
• Now check “USB debugging” from there.

That’s it. USB debugging is now enabled on your Android phone.

How to Enable USB Debugging in Android 2.3 Phones

Here is how you can enable USB debugging on phones that are on Android 2.3 or earlier.

• Go to Settings.
• Tap on “Applications”.
• Then go to “Development”.
• Now check “USB debugging” from there.

That’s it. USB debugging is now enabled on your Android phone.