Root is the way to get Superuser permission to customize your android and have administrative right to install and uninstall internal installed apps.But after root it will void your mobile guarantee. You can get back your mobile guarantee by unrooting your Phone .
How to Root :
1.)First of all, download KingRoot.apk.
2.)Now, launch the application.
3.)On launch, you will see a option ‘Start Root’.
4.)Now, wait until your phone rooted or a message appear on the screen telling that ‘Root Successfully’.
5.)Now, Restart your android phone. That’s it.
Note : – It has been reported that ‘KingRoot’ is not working on some Android Phones .
So , if your device is not rooting , then try this apps ROOT CHECKER . It will say that your device will be rooted or not. [After install this app click on Verify Root Access ].