Here’s what worked for those with a legitimately activated phone.
Make sure you have a version of iTunes other than 8.2 (you can download 8.0.2 here).
1. If you are using iTunes 8.2 you will need to downgrade to 8.0.2. This can be done by deleting the iTunes app.
2. You then need to open Activity Monitor (in [...]

This tutorial will show you how to jailbreak your 3G iPhone by creating a custom ipsw that can automatically jailbreak, install applications, and add your own boot logos.
To learn how to use PwnageTool to unlock/jailbreak a 2G iPhone you can use the tutorial which will be: here…soon…
If you have an iPhone 3G make sure you [...]