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Redsn0w, the regularly reliable jailbreaking tool for iPhone and iPod touch users, has just been updated to version 0.9.9b9b, and brings with it a couple of handy finishing touches.

iOS-5.0.1-WM

With the main focus of attention tending to be aimed at the upgrades in the actual software update from Apple, the progress being made on the tools that jailbreak them are often overlooked. It’s a privilege that we’ve so many willing developers working constantly to make the process of jailbreaking even easier, and the iPhone Dev-Team – the gang behind Redsn0w – have added many new functions which do exactly that.

Here’s the full change-log:

  • native support for 5.0.1 (no need to point redsn0w at 5.0 IPSW or use command-line args).  Support automatically extends to all of redsn0w’s various functions: “Jailbreak”, “Just boot”, “Fetch blobs”, “Stitch blobs”, “Recovery Fix”
  • iBooks fixed in 5.0 and 5.0.1.  This is a targeted fix that doesn’t remove entire sandbox mechanism.  5.x users already using redsn0w “Just Boot” can just use the new version without redoing entire jailbreak again
  • 3GS old-bootrom owners can now create custom IPSWs without blobs
  • ultrasn0w compatibility update (i.e. same baseband requirements) for 5.0.1 will be available on Cydia Monday
  • support for newer 8GB iPhone4 (which until now had problems with “Fetch blobs”).  Thanks to @JKjeepnJeff for loaning us one of these newer i4 units for testing!
  • allows Windows users (not just OS X users) to use the “Custom” button to create IPSWs without baseband updates.
  • accommodates APTickets in 5.x (until next Apple countermove).  APTickets are crypto-verified before submitting to Cydia, just like the main blobs.  Cydia server support for sending back the APTickets is upcoming.  For now, use stitched IPSWs for 5.x.  Due to APTickets, stitched 5.x IPSWs now require user to start in “Pwned DFU” mode
  • Support added for stitching 4.x blobs to iPad2-GSM IPSWs.  Similar to @notcom’s TinyCFW but doesn’t require lots of RAM or a TSS-assisted restore. Won’t work for iPad2 5.x blobs (or iPhone4S at all) until a bootrom-level exploit is out
  • top line now shows whether (and where) a redsn0w update is available, or if the version being run is the latest.  Uses DNS TXT record to alleviate any concerns about snooping
  • no 5.1 beta support at this time (major apps like Cydia are not yet compatible)
  • @pod2g has been doing a great job porting his 5.x untether…check his blog for updates!
  • Owners of newer 3GS iPhones must not flash the iPad baseband.  The iPad baseband will not work on 3GS iPhones built later than 2011 week 35.  You have a week 35 or later device if your serial # starts with xx135.
  • This is still a tethered jailbreak for all except old-bootrom 3GS users.

It is now fully supportive of the latest firmware, which is iOS 5.0.1. Those who have jailbroken the dev-only release of iOS 5.0.1 will know that it required you to ‘trick’ it by pointing to the original iOS 5 build. That has all been rectified now, though, and Redsn0w recognizes 5.0.1 automatically, meaning; you don’t have to go through the fuss of pointing Redsn0w at iOS 5 manually then go ahead with the tether-jailbreak.

Jailbreak iOS 5.0.1iPhone 4 GSM, jailbroken on iOS 5.0.1

Another major feature which has been added to Redsn0w is the ability to downgrade from iOS 5.x for devices with SHSH blobs saved.

Those looking for an untethered jailbreak (which, we assume, is pretty much everybody), will have to wait for pod2g’s updates. He has been working very hard on it. We have already been updating you on his progress lately, and will continue to do so as he comes up with even more updates. Having said that, it could be weeks or even more, before an untethered jailbreak is released to public.

Those of you looking to take advantage of Redsn0w in order to jailbreak your updated firmware should head over to this guide.

Redsn0w0999

Download Redsn0w 0.9.9b9b for Windows
Download Redsn0w 0.9.9b9b for Mac

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