Fix iOS 5.0.1 Untethered Jailbreak Bugs With Updated Redsn0w

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The Dev Team has just recently released beta 3 of RedSn0w for both Mac and Windows to fix an error that caused MobileSubstrate to crash on jailbroken devices. This specific error only seemed to occur when using RedSn0w to jailbreak over an already existing jailbreak.

From the Dev Team blog:

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).os

You can download the latest RedSn0w beta from our Downloads Page.

( If you haven’t already jailbroken, refer to this guide for an untethered iOS 5.0.1 jailbreak for all pre-A5 devices.)

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  • Ferrarikid

    is there anyway to re-jailbreak my ipod when i already have the beta1 version installed with the beta3 version without restoring it first??

    • You can use Corona but you’d be better off restoring and then using redsn0w

      • Ferrarikid

        alright, thanks bro

  • Anonymous

    is there ny fix for iphones with 4.11.08 baseband yet?

  • redsnow 0.9.9b9, 0.9.10b1, b2 and b3 doesnt work on windows xp and vista. 🙁

  • Sathyan

    Hi I tried to download the ipsw file for ios5 iphone 4… the filename is showing as iPhone3,1_5.0.1_9A405_Restore…. Will i be able to unlock ma iphone 4 using this software?

  • woah!! it worked on windows! 0.9.10b3, you just have to do it again. i tried it 3x. i succesfully installed cydia! tnx a lot

  • Henry

    My iphone4 currently has 5.0/4.11.08 and semitether. What step do i need to do?
    Do I need to upgrade to 5.1 before do Untether Jailbreak?

    I guess steps should be: restore->upgrade 5.1->then Jailbreak. correct?

    Many thanks in advance for your help, Brandon!

  • Henry

    My iphone4 currently has 5.0/4.11.08 and semitether. What step do i need to do?
    Do I need to upgrade to 5.1 before do Untether Jailbreak?

    I guess steps should be: restore->upgrade 5.1->then Jailbreak. correct?

    Many thanks in advance for your help, Brandon!

  • young money

    My iPhone has 5.0.1 verizon, I tried to jailbreak it so many time but it didn’t work, any ideas WHY??? in the mean time I did the jailbreak with AT&T and it went very well. PLZ HELP!!!

  • Bob_julian

    hi i jailbreaked my ipad 1 and now i want to download game’s how do i do that with cydia?

  • Anonymous

    Hows it going I have a 3gs IOS 5.0.1 baseband 6.15.00 I updated to the 5.0.1 about a week or so ago with Redsn0w 0.9.10b5 and also installed ultrasn0w but I just keep getting the searching no service logo I’ve been messing with it for a week or so now wondering if you could throw me a bone thanks for your help you can also find me on twitter as I follow you as Tom777_7 thanks again hope to hear from you

  • Anonymous

    Hows it going I have a 3gs IOS 5.0.1 baseband 6.15.00 I updated to the 5.0.1 about a week or so ago with Redsn0w 0.9.10b5 and also installed ultrasn0w but I just keep getting the searching no service logo I’ve been messing with it for a week or so now wondering if you could throw me a bone thanks for your help you can also find me on twitter as I follow you as Tom777_7 thanks again hope to hear from you