The Dev Team first warned that users who have their iPhone 3G or 3GS stuck on baseband 5.14.02 or 5.15.04 have to upgrade their baseband to 6.15.00 for them to be able to unlock their iDevice. But you have to accept the fact that you cannot downgrade to lower baseband anymore.
Well, this is actually extremely good news for those who have been longing for such method. Surely, I’ll let you know once the Dev Team provided us some updates. Stay tuned!