how to jailbreak iPhone 3g with 2.2.1

[EvilTeddi]

just got an iPhone 2 days ago i accidently restored/updated it to the 2.2.1 then i found out about jailbreaking and I wanted to do it, i researched some and im getting something like i must downgrade it to 2.2 using an app that u get from cydia called BBdowngrade but how do i do that when my phone isnt even jailbroken!?? can i jail break it with the 2.2.1 ? if so please tell me how, im new at this, your help will be greatly appreciated.
thanks :]

 

[pendo]

See if this helps.

 

[jmann]

You are already on 2.2.1, if you want to easily jailbreak your phone all you have to do is download/run QuickPwn. Do you need to unlock your iPhone 3G? If not, there is no point in wasting your time with BBdowngrader.