This video tutorial describes how to jailbreak iPhone 3GS using .
This video tutorial describes how to jailbreak iPhone 3GS using .

, the program to unlock and jailbreak iPhone 2G and 3G and jailbreak for the iPod Touch developed by DevTeam, was recently updated to version 3.01. This is a technical update:
You can download the new version of PwnageTool from . This update is not for 3.1 firmware and is not for iPhone 3GS, it will not unlock your iPhone 3G – use , and .

Geohot released a beta software for iPhone 3GS jailbreak called PurpleRa1n. It is beta and has some issues, but it gets the job done if you’re patient.
Requirements: You must have
1) Windows xp sp2, Vista, Windows 7, MAC OS
2)
3)
The jailbreak is a bit incomplete. The kernel vm_mem patch is not present so Winterboard will not work as some other critical tweaks. (SBSettings does work!).
Use with caution and be patient. If you’re not in a hurry, wait for the release from DevTeam.