How to Enable USB Debugging Mode on Android

1. Android 2.0-2.3.x

Settings > Applications > Development > USB Debugging.

How to enable usb debugging mode on android 2.0?


2. Android 3.0- 4.1.x

Settings > Developer Options > USB Debugging.

How to enable usb debugging mode on android 3.0?


3. Android 4.2.x and higher.

In Android 4.2 and higher versions, the Developer Options menu and USB Debugging option have been hidden. In former 4.X versions of Android, USB Debugging option is under Developer Options menu.

First, you need to enable "Developer Options Menu".

Click Menu button to enter into App drawer.

Go to "Settings".

Scroll down to the bottom and tap "About phone" or "About tablet",

Scroll down to the bottom of the "About phone" and locate the "Build Number" field.

How to enable usb debugging mode on android 4.2.x and higher?


Tap the Build number field seven times to enable Developer Options. Tap a few times and you'll see a countdown that reads "You are now 3 steps away from being a developer."

When you are done, you'll see the message "You are now a developer!".

Tap the Back button and you'll see the Developer options menu under System on your Settings screen.

Now, you can enable USB Debugging mode.

Go to Settings>Developer Options>USB Debugging. Tap the USB Debugging checkbox.

How to enable usb debugging mode on android 4.2.x and higher?


4. Android 5.0 Lollipop

To enable USB Debugging on Android 5.0 Lollipop is the same as Android 4.2.x.

Settings > About Phone > Build number > Tap it 7 times to become developer;

How to enable usb debugging mode on android 4.2.x and higher?


Settings > Developer Options > USB Debugging.

How to enable usb debugging mode on android 4.2.x and higher?


Warning USB Debugging should only be enabled when you need it. Leaving it enabled all the time is kind of a security risk for that this mode grants you high-level access to your device. Say if you connect your Android phone to a USB charging port in a public location, the port could use the USB access to your phone to access data on your phone or install malware. This could happen when and only when USB debugging mode is enabled.

To disable USB Debugging and other developer options when you don't need them, slide the switch at the top of the screen to OFF.



What Is USB Debugging And Unknown Sources? (For Android 4.0 or later)

In order to sucessfully connect with Android Transfer for PC and download Apps from Android Transfer for PC, you need to enable USB Debugging and Unknown Sources on your device first.

1. USB Debugging and Unknown Sources

If you have trouble in connecting your Android device with Android Transfer for PC, please make sure you have enabled USB Debugging and Unknown Sources  on your phone. The option is required by Android Transfer for PC for connection.

1.1 To enable USB Debugging, select Settings -> Developer option -> USB Debugging. Then select OK to confirm.

Android Transfer for PC

Note: On devices running Android 4.2 and newer, "Developer options" may be hidden by default, you can go to Settings -> About phone and tap Build number seven times to make it available. For more information, please click the link below 

Where Did the Developer Options Go?

1.2 To enable Unknown sources, Select Settings -> Security -> USB Unknown sources. Then select OK to confirm.

Android Transfer for PC

2. What is USB Debugging?

USB debugging is a development tool utilized to copy data between your device and computer. With "USB Debugging" enabled, Android Transfer for PC can create a connection with your android device. On default, "USB Debugging" is disabled and requires to be enabled.

3. What is Unknown Source?

Unknown Source allows installation of App not found in the Android Market. You need to enable it so that Android Transfer for PC  can install the MoboDaemon on your device.

MoboDaemon is an App installed automatically on your phone at the first time you connect your device to Android Transfer for PC using a USB cord, which ensures connection and data transfer between Android Transfer for PC and your android device. Android Transfer for PC.netuaranteed that MoboDeamon is safe and virus-free.

Now, you can try to re-plug in your USB Cord to establish connection.