Free unlock code for blackberry 8520

It's a fully detailed guide on how to unlock any BlackBerry ! 
1. Insert any sim card
2. Turn off all of the wireless connections
3. Go to Options
4. Select Advanced Options
5. Select SIM Card 
6. Hit menu select show keyboard (if your BlackBerry have touchscreen)
7. Type MEPD ( you will not be able to see what you are typing ) 
8. Type "MEP2" or "MEP4" ( you will not be able to see what you are typing ) 
9. Now the phone will prompt you to enter the mep code 
10. if you not already have the code, then i suggest BlackBerryMEP.COM to get it from . 
11. Enter the mep code ( you should see "code accepted" ) 
12. Restart your BlackBerry .

All done