SM-N915T Need Imei Patch

-->dialup *#9090#
-->rigth coner MENU + choice Back
-->rigth coner MENU + input Q
-->rigth coner MENU + input 0000

wait about 10 sec display For'MAIN MENU'
Now
UE SETTING & INFO
>SETTING
>SYSTEM
>NV BACKUP TEST
>ERASE ALL EFS 1/2/3
>YES