G920T Broken Security 35000000….6 IMEI Need Help

Hello So I Have a G920T Unlocking Went Bad and changed the IMEI to 350006 Common Issue I know you can Fix this by flashing original security Back up Now problem is I dont have this Original Back up From my Understanding I can flash one from another G920T Correct?… If so Can anyone Share one with me Please thanks And let me know If their is another fix