How to Unlock the SIM-lock on jailbroken 1.1.1 iphone.
1.Open installer, and set up the update if prompted.
2.Go to sources and click Edit and Add
3.Add these URL: http://i.unlock.no
4.click Done and then Refresh
5.Go to Install (at bottom) and scroll down to the Unlocking Tools category and install AnySIM
6. Once installed, you can press the button and you will find a new AnySIM icon on your home screen. Launch it and follow the instructions.
7. The unlocking process takes about 5-10 minutes at the end, I must say it was successful.
8. To clean up your phone, launch Installer and uninstall AnySIM. Then go to Settings → General → Auto-Lock and set it to a prefered value.