How to Enable USB Debugging on Android Phone

--Wednesday, Dec.18, 2013
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 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 5.0 to 

To enable USB Debuggin on Samsung Galaxy S6 edge+, LG G4, etc with the system of Android Lollipop/Marshmallow/Nougat is almost the same as that of Android 4.2.x:
Step 1. Go to Settings menu, tap "About Phone" option. Scroll to find "Build number" and tap it 7 times until the "You are now a developer" note pops up.

Enable USB Debugging on Android 5.0

Step 2. Go back to the previous screen, and tap the "Developer Options". Check the box next to "USB debugging". At last, press OK to enable USB debugging mode.

USB Debugging on Android 5.0 Lollipop

Part 2. Enable USB Debugging on Android 4.2 or Newer

For the newer Android operating system like Android 4.2 or later, for example, Samsung Galaxy S6/S5, 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

Part 3. Enable USB Debugging on Android 3.0 to 4.1

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

Part 4. 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

That's it. The steps are quite simple, isn't it? You can try it by yourself. You'll find it useful if you have tried.