This thread will most likely disappear as you mentioned a taboo word, but if you do it that way it will be fully unlocked once you've run the unlock tool available through the "other" app store.
You will need to re-unlock with each iOS update though.
You do know people are aloud to talk about Jailbreaking on here now right?

This thread will most likely disappear as you mentioned a taboo word, but if you do it that way it will be fully unlocked once you've run the unlock tool available through the "other" app store.
You will need to re-unlock with each iOS update though.
AFAIK Its not illegal now as the phone is opened to all networks.
And the updates should not lock the phone as the software is not from O2 as its network free now.