HOW TO RESTORE THE BACK UP RPLWHEN A PHONE HAVE DAMAGE IMEI OR SIM LOCK AREA

I have already back the phone RPL but now the phone have damage IMEI or Simlock area how to restoreit?

1. Choose Nokia Service Tab
2. select BB5 option 
3. click IMEI and Lock option
4. Check the Write RPL option
5. Press Process