Contemplated on jailbreaking my 3G iPhone before the 3.1 update, but just didn't. So now I have a 3.1 and to my understanding I cannot jailbreak it as of yet. And to do so, I need to go back to 3.0. So my question(s) are how do I do so using a PC/Windows? Or should I even bother? If I jailbreak, what happens to the apps, etc. I currently have on my phone? Do they remain on it? The best steps to take BEFORE jailbreak a phone? I.E-backing up, saving, etc. Thank You for any help, links, etc. !