Trickz

Nokia BB5 security code reset procedure:
Connect your phone via USB cable in pc mode & install the drivers for your cell phone provided with Nokia pc suite, then exit pc suite.
Then install Nemesis service suite
Select USB virtual drive during installation (in case of nokia 6120c)(for nokia 5700 use diamond protection)
After installation open it
Click on scan button
Click on phone info
Click on scan
Click on permanent memory tab given on right bottom of application
Click on read
It will read the permanent memory file & write it to the disk
Your pm file will be located in the path:
C:\program files\nss\backup\pm\356252*********.pm
Open that pm file in notepad
Now scroll until field [308] and on the 5th record your security code is saved
Look for something like 5=31313131310000000000
Remove all the "3" digits and it will look like this:
5= 11111 0000000000 now the first five digits is the code "11111".
Note :- Use this at entirely your own risk, we cannot be held responsible for any phone damage or data loss on your phone or computer.