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  • Ultrasn0w for iOS 5 Now Available

    One of the many questions that people have been asking in regards to jailbreaking iOS 5 is whether ultrasn0w was going to be updated for iOS 5 in the coming future. Until yesterday, no one knew what the status was of ultrasn0w on iOS 5. MuscleNerd (@MuscleNerd) tweeted out yesterday however that the team was waiting to release an ultrasn0w update until a scheduled Mobile Substrate update was released (update is available now). It was only a matter of time until that time came.

    The ultrasn0w Twitter feed (@ultrasn0w) just tweeted out that ultrasn0w has been updated to support iOS 5. The link in the tweet directs to the iPhone Dev-Team Blog which has a post that goes into lengthy detail on what ultrasn0w for iOS 5 is all about. Read below to get the entire post directly from the iPhone Dev-Team Blog. Please read EXTREMELY CAREFULLY:

    We’ve updated ultrasn0w to be compatible with iOS5, which came out a few days ago. While ultrasn0w 1.2.4 doesn’t add support for any new basebands, the update is required for any ultrasn0w unlockers trying out iOS5 (it remains backwards compatible though, so you should be able to use it no matter what firmware you have).

    The supported basebands for the iPhone 3G and 3GS are 04.26.08, 05.11.07, 05.12.01, 05.13.04, and 06.15.00. The baseband supported for the iPhone4 is 01.59.00.

    Remember, the only way to get to iOS5 while preserving your ultrasn0w-compatible baseband is by using a custom IPSW. redsdn0w now has the ability to create such a custom IPSW for you (at least on Macs…the same capability for Windows will be coming soon).

    The majority of people who use ultrasn0w at iOS5 right now will probably be those with old-bootrom iPhone3GS devices, since they already have an untethered jailbreak via redsn0w. For everyone else, the iOS5 jailbreak is currently tethered and you need to “Just boot” tethered with redsn0w every time your phone reboots. That’s not always easy to do if your phone reboots while away from home!

    Note: there’s a special “trick” that iPhone3GS owners with baseband 06.15 need for iOS5. During the new setup screens you see when you start iOS5 for the first time, you’ll be asked about Location Services. Be sure to select “Disable Location Services” when asked! Later on in the setup, you’ll have the chance to turn on Location Services again when asked if you want to use “Find my iPhone”. It’s fine to turn it back on at that point, if that’s your desire (or you can always go in and enable it in Settings.app).

    Also, some iPhone3GS users with the 06.15 baseband may have tried to install iOS5 using a stock IPSW (even though you should never ever try to use a stock IPSW if you’re an ultrasn0w unlocker). If you did try this, your baseband is probably in an inconsistent state, and you’ll need to reflash the 06.15 baseband again (using redsn0w). Be very careful if you use redsn0w to reflash the iPad baseband — don’t interrupt the process1 And please avoid using stock IPSWs in the future Unlockers should never go near stock IPSWs.

    If you need to use redsn0w for any of the above tasks, please make sure it’s version 0.9.9b4 or higher, which is available here.

    Here's what to take away from this update on ultrasn0w:
    • The supported basebands for the iPhone 3G/3GS are 04.26.08, 05.11.07, 05.12.01, 05.13.04, and 06.15.00
    • The baseband supported for the iPhone 4 is 01.59.00
    • The only way to get to iOS 5 while preserving the ultrasn0w-compatible baseband is by using a custom IPSW (redsn0w 0.9.9b5 currently only supports Mac (Windows coming soon - Windows users use sn0wbreeze v2.8 beta 8 at this time)
    • The iOS 5 jailbreak is still tethered except for iPhone 3GS old bootrom users
    • iPhone 3GS users with the baseband 06.15.00 need to make sure to do the special trick as mentioned in the post
    • Unlockers should never go near stock IPSWS

    NOTE: This ultrasn0w update only supports existing basebands. There is no new unlock at this time.

    Source(s): ultrasn0w , iPhone Dev-Team Blog
    This article was originally published in forum thread: Ultrasn0w for iOS 5 Now Available started by Joshua Tucker View original post
    Comments 46 Comments
    1. gjm4jc's Avatar
      gjm4jc -
      Quote Originally Posted by Simon View Post
      Your baseband has nothing to do with the ability to jailbreak tethered or untethered. Baseband only matters for unlocking purposes.
      Thanks Simon! That is what I thought but I was not 100% sure. I really want to update to IOS 5 and I am willing to go without a jailbroken iPhone for a short while to wait on the untethered JB. I hate dealing with tethered JB and there is still many apps, tweets, and mods that need to be update to work on IOS 5. By waiting, this will give me some time to get familiar with all the new features in IOS 5.
    1. mikerlx's Avatar
      mikerlx -
      Quote Originally Posted by puissance000 View Post
      I was hoping for some new additional baseband support.... Oh well..
      Apple should offer unlocks for the iPhone 4 since unlocked versions r currently being sold IMHO
    1. raduga's Avatar
      raduga -
      Quote Originally Posted by Je5 View Post
      is this untethered jailbreak on iphone 4 gsm?
    1. doitchinkstyle's Avatar
      doitchinkstyle -
      so from my understanding,if i have a 3GS on a eligible baseband, my phone can be j/b and unlocked on iOS 5? now that was fast! good job!
    1. moveandstore's Avatar
      moveandstore -
      Yes certain basebands on the 3GS can be unlocked.
      On the iPhone 4, the only baseband that is unlockable is the first one: 1.59.00. All others are not unlockable. That has nothing to do with the jailbreak itself. 4.3.3 is the latest untethered jailbreak.

      It's good that Apple is selling off contract unlocked phones. IMHO, it is because there are a choice of carriers now. AT&T had the monopoly on the phone, now there are three carriers who have the phone in both CDMA and GSM. I wish the carriers would unlock them after a certain period of time or a small fee. Who knows.....
    1. hingeinc's Avatar
      hingeinc -
      AT&T should unlock iPhone 4.
      Ultrasn0w will never support iPhone 4 unlocks on newer baseband, the dev team has no idea how to unlock new basebands