Pana sonic gd67 unlocking problem

hi
to all

for unlocking gd67 seven i downgrade the and use the spunlock software for unlocking

sofware work for me and calculate is given below

i pPress POWER ON............ OK!!!
Detecting phone type...GD67
Reading phone info...
IMEI: 351782001313608
Pr1: 052077407952290
Pr2: 052900107952290
USER CODE: 0000

NET CODE: 71177311

kinldy explain the the pr1 and pr2 figure calculated

ut the net code with sim card and without sim card after pressing 746 double click the the menu botton and put the network mene each time it give the error

pleas help me what mistake i am doing

thanks and reagard