iPhone 3GS can ba jailbroken on 4.0.2 and 4.1 with limera1n.
New and old bootrom is supported!
To jailbreak: Download the prgram limera1n from http://www.limera1n.com
Then simply open the program and follow the deatils
Windows tutorial is here: http://www.youtube.com/watch?v=dfU1JJ_J7v4
Mac tutorial is here: http://www.youtube.com/watch?v=fhSGZrJFtTg
Can be jailbroken on 4.0 and 4.0.1 with Jailbreak me
To jailbreak simply load JailbreakMe on your iPhone 4 and slide to jailbreak
Tutorial is posted here: http://www.youtube.com/watch?v=hL_ylxjso4s
Note: JailbreakMe is not a bootrom exploit.
Can be jailbroken on 3.1.3 and 3.1.2 with Spirit
Works for iPhone 3GS new and old bootrom
To jailreak simply go to http://spiritjb.com
Then download the program.
Run the program your mac or windows
Click Jailbreak with your device plugged in
Then you should be a good
A more detailed tutorial located here: http://www.youtube.com/watch?v=KT-WRDqCXzI
