How to Unlock your LG Cookie KP500:  LG-Cookie(Firmwares)Step 1:
Download the program “LG-Utils KS360 KP500 FR-EN Version 0.4.0″ on this page.
MAKE A BACKUP OF THE SIM CARD AND OF YOUR CONTACTS.Step 2:
Turn the phone off, connect it to your computer. The computer must install drivers if its the first time you connect the phone when it is off. Then, when the drivers are installed, disconnect the phone, but don’t turn it on!.Step 3:
Extract Custom Files From The Firmware! Follow the tutorial. You have now the files V10D.wdb and slb_large_block_16_bit_paging.flb. Rename it: KP500.flb (don’t forget the .flb !!) . Paste KP500.flb to C: .  Step 4: How to get the STATIC_EEP partition
Decompress the archive LG-Utils. Launch the program “KP500-Utils-EN”. 
Type N and press enter.
Type  .USB1 then enter.
The program will ask for the file sec-pack. it is the file we have renamed and copied-pasted to c. So typeC:KP500.flb
Then, for “Data file”, type : STATIC_EEP
Prepare to connect the phone,make sure its off.
Press enter, and connect it as fast as possible to your computer. if you didn't connect the phone in time go back to step 3.Go then in the folder of the program. There are 2 new files, a file called STATIC_EEP (little file, 80Kb?) and a file STATIC_EEP.big which is bigger. Remove the file STATIC_EEP.big (it is the file STATIC_EEP with falses entries).
Copy-Paste the file STATIC_EEP in C:, next to KP500.flb.Step 5: the unlock code
In the program’s menu, type O.
For “source file”, type C:STATIC_EEP . (you have pasted it next to KP500.flb)
An unlock code appears. Write it on a sheet of paper, and CLOSE THE PROGRAM, DON’T PRESS ANY KEY. THIS CODE IS PERSONNAL.
Disconnect the phone and turn it on.
Write the nummer 2945#*71001# 
A menu appears. Press “Unlock SIM” and then “Network Lock”. Type in the code you got .OK.The phone reboots, and it is unlocked!!Warning: When your LG Cookie KP500 is unlocked, if you try to go in your contacts, it is possible that the phone gives a message that says that the SIM is going to be initialized, and then there’s nothing in your contacts. Don’t worry,  reboot your LG Cookie KP500 and go in your contacts again. If it continues, wait a moment, and your contacts should come back. Otherwise, fortunately you made a backup of your contacts,copy them over and your done.