too simple too fast.. awesome!!! 모르시면 따라하지 마세요~ the same basic drills : 1) Backup in iTunes 2) Backup through purchasing an app in Rock (my favorite) or Apt Backup (not recommended for backing up Deb packages while FW upgrade) 3) Sync to iTunes and upgrade to iOS 4.0.1 4) Recover from backup 5) on your iPhone go to http://www.jailbreakme.com/ 6) Slide and wait for the pret..