*Go to play store and download "Setting Database"

 


 Now open the app and look for HW Network Preferences

 


 Now select and edit the value as in the fig below

 


 set the as in the image below

 

  


 Save the changes and reboot your phone


 *After rebooting your phone, go to

settings>mobile networks>Network type


you will see your new 4LTE network



  Enjoy..


@JAILBREAK