The tutorial on How to Jailbreak iOS 5.0.1 on iPhone 4/ 3GS using RedSnow 0.9.9b8 is meant for already unlocked iPhones (from factory)
Aplle has released the download of iOS 5.0.1 yesterday. At a very short time from this event, we find out that the jailbreak using the last version of Redsnow 0.9.9b8 is already possible.
WARNING! If you use a Gevey or Ultrasnow in order to unlock your iPhone, this tutorial should NOT be followed. That’s because the new iOS 5.0.1 update will also upgrade your baseband, too, which is not possible to unlock and your iPhone will remain like… Continue to How to Jailbreak iOS 5.0.1 on iPhone 4/ 3GS using RedSnow 0.9.9b8 Tutorial