How to Enable USB Debugging on Android Phone

With USB debugging, you can transfer data from Android to computer or install application with much convenience. However, when you buy a new Android phone, for example, HTC, Motorola, Samsung, Sony Xperia, Lenovo, LG, Google Nexus and so on, USB debugging is not on. So, you’d better enables USB debugging as soon as you buy a new Android phone. After switching on USB debugging, you can connect Android smartphone to PC so as to back up data from devices to computers or drag and drop files to the phone as well.

Now the passage will be divided into 4 parts so as to show you the way to enable USB debugging for three different version of Android operating system.

1. Enable USB Debugging on Android 5.0 and Android 6.0 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;enable usb debugging on Android 5.0
  • Settings > Developer Options > USB Debugging.enable usb debugging on Android 5.0


2. Enable USB Debugging on Android 4.2 or Newer

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.
  1. Click Menu button to enter into App drawer.
  2. Go to “Settings”.
  3. Scroll down to the bottom and tap “About phone” or “About tablet”,
  4. Scroll down to the bottom of the “About phone” and locate the “Build Number” field.enable usb debugging on Android 4.2
  5. 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.”
  6. When you are done, you’ll see the message “You are now a developer!”.
  7. Tap the Back button and you’ll see the Developer options menu under System on your Settings screen.enable usb debugging on Andriod 4.2 or above
  8. Now, you can enable USB Debugging mode.Go to Settings>Developer Options>USB Debugging. Tap the USB Debugging checkbox.

3. Enable USB Debugging on Android 3.0 to 4.1

Settings > Developer Options > USB Debugging.
Enable USB Debugging on Android 3.0 to 4.1

 4. Enable USB Debugging on Android 2.3 or Earlier

Settings > Applications > Development > USB Debugging.
Enable USB Debugging on Android 2.3 or Earlier

Please Note:

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.

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