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  • Jailbreaking & Unlocking iOS 4 : What You Should Know
    Note: This Post will be udpated as news becomes available. Please share your experiences in this thread. It is highly suggested you do not update to iOS 4 right away. Please be patient.



    Today, as expected, Apple released iOS 4 to the public. But before you get too excited, there are some things you should know before updating to iOS 4. If you want to play Jailbreak with your iDevice, make sure you read through this.

    iOS 4 is compatible with the 3G, 3GS, the newest iPod Touch and iPhone 4. Those of you that have played with the GM release, the build number on this public release is exactly the same; 8A293. So as for changes since the GM there are none in this release.

    Update:
    Quote Originally Posted by bennyg View Post
    there are actually differences in the GM and public release. Notice no game centre in the public release? Also if you go to http://oo.apple.com to opt out of the iAd data collection stuff on the GM release it states your not on iOS4!

    Jailbreaking

    iPhone3GS & iPod3G owners (especially if you used Spirit for your first JB) should stay away from iOS4 for now

    Wizdaz has kept the community in the know, informing us that PwnageTool is currently being updated as we speak. PwnageTool 4.0 will support the iPhone 3G (with Pwnage exploit), iPhone 3GS and iPod Touch 2G (both with 24kPwn exploit). Keep in mind this means no support for the newer bootom. Remember the tethered days? If that was you, then you will need to wait until Spirit is updated or a new tool is updated for such.

    There is of course the Redsn0w option if you have a 3G, but stay away from any custom packages. The Dev-Team has written it well, and because of their credibility, here is exactly what they say

    We are working hard on a release to our tools that will jailbreak your device (or give you iOS 4 via the jailbreak train) and provide you with a carrier unlock.

    Until these tools are released you should hold off on updating your device until we have fully tested our tools with all the relevant devices.

    If you rely on hacktivation or a carrier unlock (ultrasn0w) then you should not upgrade until we have fully tested and released our tools.

    Don’t be tempted with unofficial PwnageTool/redsn0w bundles or releases, just check here or our team twitter for real time release information.

    Remember, we risk our devices so you don’t have to (but this time anyone who has made a mistake upgrading their baseband firmware at 3.1.3 or 4.0 should be OK real soon Now!
    iPhone Dev-Team
    WizDaz


    Unlocking iOS 4

    The iPhone Dev Team has released ultrasn0w 0.93 for unlocking your new iOS 4. Simply add the Cydia repo: repo666.ultrasn0w.com. This version of ultrasn0w will unlock basebands 04.26.08 thru 05.13.04. If your unsure, that means that ultrasn0w unlocks ALL basebands since iPhone OS 3.1. Even more specifically, 04.26.08, 05.11.07, 05.15.01, and 05.13.04. Remember to disable 3G on T-Mobile USA.

    So on the unlocking front, you're pretty much golden. However it's still recommend to wait just a little bit longer before making the plunge for iOS 4.

    iPhone Dev-Team
    MuscleNerd
    This article was originally published in forum thread: Jailbreaking & Unlocking iOS 4 : What You Should Know started by nickhesson View original post
    Comments 470 Comments
    1. one1's Avatar
      one1 -
      Sitting here with 4.0 on my iMac desktop waiting on a Pwn tool.
    1. wolverinemarky's Avatar
      wolverinemarky -
      Quote Originally Posted by ryan_jl View Post
      The 1gen iPhone and the iPhone 3G have the same amount of ram, so it should work.
      I'm not sure but i doubt it the multitask and all those features are interwoven in the OS so doubt u can just turn part of it off. But once the jb is released feel free to post and let us know how it goes. I personally wouldnt attempt it
    1. capttanhowdy's Avatar
      capttanhowdy -
      oNLY TMOBILE USER DO THAT BC THE 3G WITH THE IPHONE ISNT COMPATIBLE W TMOBILE

      Opps sorry for capps but im not retyping that lol
    1. one1's Avatar
      one1 -
      Quote Originally Posted by wolverinemarky View Post
      I'm not sure but i doubt it the multitask and all those features are interwoven in the OS so doubt u can just turn part of it off. But once the jb is released feel free to post and let us know how it goes. I personally wouldnt attempt it

      Apple - iPhone - New features in the iOS 4 Software Update.

      Compatibility
      iOS 4 works with iPhone 4, iPhone 3GS, and iPhone 3G. Not all features are compatible with all devices. For example, multitasking is available only with iPhone 4 and iPhone 3GS.
    1. StormRoBoT's Avatar
      StormRoBoT -
      some one did a tutorial on how to jailbreak 4.0 final on youtube, using redsnow? means apple didnt patch the beta version? and its work on final?
    1. dankduke's Avatar
      dankduke -
      Quote Originally Posted by todd69 View Post
      Confused by those with unlocked OS4 already, especially on the 3G?

      In order to install ultrasnow you need a jailbroken phone but there is no jailbreak for 4 yet!

      What am I missing here?

      im wondinerng the same thing
    1. bts0uth's Avatar
      bts0uth -
      Quote Originally Posted by surfgeko View Post
      I doubt thats really MuscleNerd. I hope so but I doubt it. Nothing on his twitter yet.
    1. adrian1480's Avatar
      adrian1480 -
      working just fine on my 3G.
    1. xxzone's Avatar
      xxzone -
      Quote Originally Posted by surfgeko View Post
      Not sure I buy this. He said official updates would be given through twitter. Hope it's true, but I wouldn't trust it. Could be someone acting as him.
    1. MadKillr05's Avatar
      MadKillr05 -
      EDIT: double post, sorry
    1. punjabi212's Avatar
      punjabi212 -
      Quote Originally Posted by adrian1480 View Post
      working just fine on my 3G.
      Are you using a mac or pc?
    1. StellarZ's Avatar
      StellarZ -
      Successfully unlocked my iPhone 3GS 3.1.3 baseband 05.12.01! Craigslisting now lol!
    1. KartRacer's Avatar
      KartRacer -
      So is winterboard even compatible with iOS 4? Have I missed something?
    1. MadKillr05's Avatar
      MadKillr05 -
      Just in case, if you upgrade to 4.0 and you have spirit installed, this is how you get out of recovery mode, goto a windows pc and download itunes 9.1.1, then do an offical restore, since itunes 9.1.1 only goes up to 3.1.3 it will work, then it will restore your device to 3.1.3, then your set to install 4.0 because spirit is now off your device also, make sure you uninstall wifi sync from your computer, it causes ios4 to hang while updating and you have to do this whole thing again
    1. Carrbone's Avatar
      Carrbone -
      Quote Originally Posted by MadKillr05 View Post
      Just in case, if you upgrade to 4.0 and you have spirit installed, this is how you get out of recovery mode, goto a windows pc and download itunes 9.1.1, then do an offical restore, since itunes 9.1.1 only goes up to 3.1.3 it will work, then it will restore your device to 3.1.3, then your set to install 4.0 because spirit is now off your device also, make sure you uninstall wifi sync from your computer, it causes ios4 to hang while updating and you have to do this whole thing again
      ACTUALLY>
      You pushed upgrade. which is a common Mistake.

      If you restore and select 4.0 (like your supposed to when jailbroken)
      you will have no problems.
    1. Jahooba's Avatar
      Jahooba -
      I had read that the iPod Touch 2nd Gen will also get the 4.0 update, but WILL NOT get the multitasking. The iPod Touch 1G will not be able to install 4.0 at all.
    1. mbeezy81's Avatar
      mbeezy81 -
      I have a freakin headache...I updated to IOS4 as soon as it came out..Now I'm in the middle of downgrading back to 3.1.3 and downgrading iTunes back to 9.1 so that I can unlock my 3G...By the end of the day I should be a expert at this sh*t..I want the unlock ASAP cuz I'm selling it ASAP..
    1. Turb02's Avatar
      Turb02 -
      so no JB tool for the Mac yet? Has there been confirmation that at least MyWi will work on IOS4 JB? At this point thats all I need until I get my 4 on the 24th.
    1. Saxapwn's Avatar
      Saxapwn -
      So I have an iPhone 3GS on 3.1.3, and it's stuck at the emergency call screen, and is foreign to the united states so at&t sims won't activate it. Is there a jailbreak out now that will hacktivate it so I can unlock it and be happy again?
    1. miggyme's Avatar
      miggyme -
      BIG Congrats ,.. and good job.