How Do I Update Phpymyadmin Tibia Do I Update Then Jailbreak/unlock Iphone Or Do I Just Jailbreak With 3.0 Jailbreak/unlock?

Do i update then jailbreak/unlock iphone or do I just jailbreak with 3.0 jailbreak/unlock? - how do i update phpymyadmin tibia

I have a 2G iPhone has 2.2 software on and I want to jailbreak and unlock. Is it necessary, to 3.0 software upgrade, then run away with the theft of 3.0 or can I start with 3.0 Jailbreaking flight?