Here are instructions on how to Unlock Blackberry 8xxx/9xxx - Free
NOT FOR CDMA BLACKBERRIES (Verizon / Sprint)
Read everything here PLEASE!!! It could prevent problems you may have doing this!!!
1. Download & Install latest blackberry desktop manager
https://www.blackberry.com/Downloads/entry.do?code=A8BAA56554F96369AB93E4F3BB068C22
2. Download & Install NET Framework 2.0 here:
http://go.microsoft.com/fwlink/?linkid=32168
3. Download & Install Blackberry Operating System/Flashfile for the Blackberry Phone Model you want to unlock. These can be found at:
http://na.blackberry.com/eng/support/downloads/download_sites.jsp
3a. Also don't forget to delete the vendor.xml file located in:
c:\Program files\Common Files\Research in Motion\Apploader
4. Install MFI Multiloader (MMLSetup.rar).
5. Unzip MML.zip and copy to "C:\MML" - Overwrite ALL files there.
***Preparations are now complete!***
!!!!Very Important - Disconnect your internet connection before using MFI Multiloader or else it won't work - Very Important!!!!
1. Open MFI Multiloader using the shortcut on your desktop and then connect your Blackberry.
2. Then just wait until the program displays "pass".
3. Then your phone should display a one (1) in the upper left corner.
4. Now disconnect the Blackberry and open Blackberry Desktop Manger, now connect your Blackberry and re-install the Blackberry OS.
For help with this section refer to Point No. 3 here:
http://forum.gsmhosting.com/vbb/showpost.php?p=3454610&postcount=1
4a. If you got this error while flashing your blackberry, "Unable to reconnect to the device during a multi-stage load operation", then do this:
http://forum.gsmhosting.com/vbb/showpost.php?p=3914104&postcount=57
Congratulations your Blackberry unlocked free using MFI Multiloder. You can now repalce your SIM and Memory card and set up your phone the way you like it!
ALL credit to: RAMJAN @ TRUST GSM from GSM-FORUM.COM
mojan8