Ever since iPhone Dev team released Redsn0w 0.9.10b2, which included a fix for the launchctl issue, a number of readers have reported that many jailbreak apps stopped running after re-running Redsn0w.
The b3 version of redsn0w fixes a problem where re-running redsn0w over an existing jailbreak would cause MobileSubstrate-based apps to stop running until MS was installed again. Now you can re-run the redsn0w jailbreak step without worrying about that (but still remember to de-select the “Install Cydia” option if it’s already installed).
They also have the following tip for users who may have hit “no identifying data was found” while using Redsn0w:
TIP: If auto-detection fails and redsn0w tells you no identifying data was found, you can always pre-select the appropriate 5.0.1 IPSW using “Extras->Select IPSW”.
In case you need help, you can checkout our step by step guides to perform untethered jailbreak using Redsn0w, which have also been updated with the latest download links:
- How To Perform Untethered Jailbreak On Your iPhone 4/3GS Without Updating Baseband Using Redsn0w For iOS 5.0.1
- Step By Step guide to Convert Your Tethered iOS 5.0.1 Jailbreak To Untethered Jailbreak Using Corona Untether
- Step by Step guide to perform untethered iOS 5.0.1 jailbreak using Redsn0w:
- Source: iphonehacks.com