iPhone iOS 4.2: Jailbreak and Unlock – Redsn0w 0.9.6 Download Available

By Alan Ng - Sep 21, 2010

Earlier on we informed you that Redsn0w 0.9.6 was now available to download and jailbreak iPhone iOS 4.1, but now we can also confirm that the same tool works on the beta for iOS 4.2 too.

As reported from RedmondPie, the Redsn0w jailbreak tool isn’t available on the iPhone 4 or new iPod Touch yet, as iPhone Dev Team member MuscleNerd has confirmed via Twitter that the iPhone 3G and 2G iPod Touch are the only supported devices at the moment.

Unlike other jailbreak methods, this one doesn’t seem to be straight forward, so we only recommend trying this out if you have performed such tasks before. If you’re willing to give it a go, you will find a complete set of instructions over at RedmondPie here.

Can you confirm that the Redsn0w jailbreak 0.9.6 tool works for the iPhone iOS 4.2 beta? Leave us a message so other users can try it out.

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Also See: Unlocked iPhone 4 is pointless and not jailbroken

  • I jail broke and unlocked my iphone 3GS with redsn0w_win_0.9.6b5 successfully. It is working great. The only drawback I have seen is the Battery time is gone for a toss. The charge is not remaining for more than 5 hours(Standby).

    Does anyone know how to fix this?

  • AP28

    guys IOS is not the issue on unlocking, its the BASEBAND!!
    to know your baseband go to SETTINGS/GENERAL/ABOUT and check the MODEM FIRMWARE = THATS YOUR BASEBAND!!
    whatever kind of iphone you have if it says 5.14/2.10/3.10 – FORGET IT!! JUST WAIT FOR THE DEV TEAM TO RELEASE THE NEW SOFTWARE!
    as for 3G/3GS with modem firmware 5.14 (I'VE DONE THIS PERSONALLY) upgrade your baseband with the ipad 6.15 baseband by using redsnow..and your good to go..
    i have 3G with 4.1/6.15 and running with simple mobile..

  • Superman

    You know what I truly give up this is why apple sucks an it’s gay. I tried giving apple a chance an i left the awesome android for this unlocking and jailbreaking bs!!! I have waited over a freaking month for this retarded 4.1 unlock. Nobody nowhere mentioned the fact if you have baseband 02.10.04 that you will be assed out and have to wait longer. During my everlasting wait my tmobile service was cutt off an now I have to pay more than ever cuz I really was banking on this unlock.

    • chris

      Want to sell your iphone 4?

  • acribat

    Hi JSB,

    which tool did you use for jailbreaking 4.2?

    • alien

      I am having Iphone 3G iOS 4.0.2 and baseband 5.13.04.
      Can I upgrade it it 4.2 , jailbreak and unlock it. Please let me know the tools to do that.

  • JSB

    iit works. i used it for my 3g and its working perfectly and im on 4.2

  • Steve1010

    Ultrasn0w is an unlocked tool that you need to install after jailbreaking your iPhone. Limera1n, greenpois0n, redsn0w and sn0wbreeze are just jailbreaking tools and have nothing to do with unlocking your phone. If you owned a 3G or 3Gs with a baseband of 5.13 or lower, and iphone 4 with a baseband 1.59 you can unlock your phone right now. For those with baseband 5.14, the new ultrasn0w 1.1-2 will be released this Sunday. IPhone 4 with a baseband 2.10 will have to wait as the unlocked tool is not available. If you upgraded your iPhone to 4.2 through iTunes , then your phone will turn into an iPod, unless AT&T is your carrier

    • fredd

      how do you know what baseband you have??

    • Moustafa Zeyada

      u mean by this sunday that the unlocking tool "ultrasn0w1.1-2" has already been released today , hasn't it ??!?! i am on iOS 4.1 iPhone 3G and need HELPPPPP TO UNLOCK 🙁

    • hitesh

      what is baseband???

  • Boris

    how do u unlock and jailbreak iphone4 os 4.1??? do i need to wait for os 4.2 to come out?

    • Nick

      I jailbroke my iPhone 4 running iOS 4.1 using

      It was quick and easy, unlike greenpoison

      Works perfectly.

      • Boris

        but did u unlock it? i'm not gona use an american sim…

        • hitesh

          i updated my iphone 3g in itunes, then how to unlock 4.2??????
          pls guide me…….

      • Akhilesh

        the jail break is working but what about the unlock? my iphone 4 is ios 4.1 n b/w 20.10.04? can that be unlocked? please help!

  • Colton

    when i try to jailbreak my iphone 3g os 4.1 with redsn0w 0.9.6b1 and after i put my i devide into dfu mode it has the white flash and just goes to a black screen… HELP?

  • lokienloki

    It changes all over again. The original one is amazing and it looks better on iPad. iOS 4.2 Latest Must-Have Updates

  • awi

    how can i unlock iphone 4 4.1? I already try it with redsn0w but didnt work

    • joe

      jailbreak with limera1n and inlock from cysia add respitory called sinful iphone repo, in there is an unlock somewewe

  • kikonk

    I'm 4.2 Ipad. RedSnow 0.9.6.b does not jailbreak 4.2 beta1

  • Guest

    Heres a thought….dont install Betas in the first place! Sure fire way to brick your device. Let Devs make stable JBs for christ sake