Download Redsn0w 0.9.9b5 - With Custom IPSW Option

By  at Thursday, October 13, 2011  

As we reported you earlier about the merge between PwnageTool and Redsn0w, iPhone Dev-team has released the first version of Redsn0w with PwnageTool's feature "Custom IPSW". It's Redsn0w 0.9.9b5.

This new feature let you able to jailbreak your iPhone, iPod Touch or iPad on iOS 5 via pre-jailbroken custom firmware. "Custom IPSW" feature is valuable for iPhone unlockers which let them keep the unlockable baseband on the newer iOS version to be able to unlock their iPhones with ultrasn0w.

So far, Redsn0w is available for Mac OS X. Windows users ? Don't worry, Redsn0w 0.9.9b5 for Windows will come very soon.

Rdsn0w 0.9.9b5 Changelog
With today’s official iOS5 release, redsn0w has been updated to 0.9.9b5 to include the public URLs for the IPSW files. This way, first-time iOS5 jailbreakers don’t need to supply the IPSW file manually. It’s still a tethered jailbreak on all except the old-bootrom iPhone3GS, and it doesn’t apply to iPad2 or the upcoming iPhone4S.

Because the jailbreak is currently only tethered for most devices, we’re not going to release a new PwnageTool yet. Instead, we’ve decided to build some of PwnageTool’s functionality into redsn0w (since you need redsn0w to “Just boot tethered” on every power cycle anyway). The new “Custom IPSW” button on the Extras screen will create a custom IPSW without the baseband update for 4.3.3 or 5.0gm (iPhone3GS and iPhone4 only, for now). Remember not to accidentally restore to the stock IPSW after you create the custom one! The custom one begins with NO_BB_ (for “no baseband”).

You must enter “Pwned DFU” mode before trying to use the NO_BB_ IPSW with iTunes (and your hosts file cannot be pointing to Cydia’s servers due to the new blob nonce mechanism they’re using in iOS5).

Version 0.9.9b5 only available for Mac for now, until we can do more testing on the Windows version of “Custom IPSW”.

We’re currently working on a normal compatibility update for existing ultrasn0w unlockers. After that we’ll try to fix the iBooks issue on jailbroken iOS5.
Redsn0w 0.9.9b5 - Tethered or Untethered ? It's tethered jailbreak for all devices except iPhone 3GS old bootrom, iPad 2 and iPhone 4S. iPhone 3GS old bootrom is untethered jailbreak. iPad 2 and iPhone 4S are not supported for jailbreak on iOS 5 so far.

Download Redsn0w 0.9.9b5 for Mac OS X

Update : Jailbreak 5.0.1 untethered has been released, get it now - Click Here

Update: Now you can make iPhone official factory unlock, you can check the details from here 

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