Root Android Device

Root your Android device for free with a Application named as Kingo Android Root.
 
Step 1> Download Kingo Android Root on your PC.
Step 2> Install on your PC.
Step 3> Open Kingo Android Root on your PC.

Step  4> On your Android Smart Phone, tune on USB debugging.
Note: To tune on "USB debugging" on 
(Android 1.6~3.2) Go to Settings> Applications> Development> USB debugging (tune on)> OK
(Android 4.0~4.1 or higher than Android 4.2.2) Go to Settings> Developer options>(tune on)>OK> USB debugging (tune on)> OK

Step 5> Connect your Android Smart Phone to PC with data cable.

Step 6> Let Kingo Android Root to install and copy drive software.
Note: Please wait. This will tell you to connect and remove data cable for 3 times.

Step 7> You will see "Root" option on PC. Click on that.

Step 8> You are ready to do.
Note: Your phone may restart 3 times. Don't do any thing.
Step 9> You will see "Root completed" on PC.
Note: Don't disconnect data cable.

Step 10> You will see reboot option on your phone. Reboot it.
It's now done. Your phone is rooted. Now you may disconnect data cable.

Comment on comment box if any problem.