Unless you want a soft unlock or hacktivation for your 3G(S).Skyline969 said:Great guide, however as a general guideline...
1. Upgrade to 3.1.3 (or 3.2.x, depending on your iDevice)
2. Download Spirit
3. Plug in your iDevice and launch Spirit.
4. Click Jailbreak.
5. ???
6. Profit!
Again, very good guide. It's nice and informative, and I like the effort you put into it.