IMEI number Changing

To change the IMEI number of a mobile u need to root u r mobile

For rooting follow this step

HOW TO ROOT

 STEP 1:
Download kingroot  website which was given by me and  click the root button.

 STEP2:
Then the percentage  will  increase and use only aircel  network.{aircel network is must to  root the device}.       
                 
                   DOWNLOAD LINK:                     

               http://viid.me/qzBXBP
                 
                         Mirror Link:
   
                http://viid.me/qzBX7J

Then install xposed framework in u r mobile by this link:

  http://dl-xda.xposed.info/modules/de.robv.android.xposed.installer_v33_36570c.apk

And install IMEI changer application from my site and its a pro version so u don't need to pay... Its free

Use this link to download from my site directly

http://www.mediafire.com/file/icdcu8dxsv5uxtp/0B2pvmD0CC6mJZWFjcWVpejZURU0.apk

Now install it and allow the module in xposed framework before that u need to install xposed framework on u r android..
Finally change the imei number of u r android  as u want..
   To change to original again click original imei number option given below and reboot u r mobile.

For brief definition see this video guide