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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. devp93's Avatar
      devp93 -
      Ok I didn't know we were not supposed to upgrade to iTunes 9.2 when we used a spirit jb, but I did yesterday without reading the threads. Will I still be ok for a jailbreak soon? Or will it be longer than everyone else?
    1. PentaMedia's Avatar
      PentaMedia -
      How to do this on an iPod Touch 2G (MC model) that is running iOS 4 already?
      Is it even possible or do I have to go back to 3.1.3 Spirit?
    1. Jay316's Avatar
      Jay316 -
      Quote Originally Posted by saunupe1911 View Post
      Saurik or somebody needs to update mobile substrate for iOS 4. Everything is working perfectly but mobile substrate. I don't understand why its not ready.
      It does crash but all you have to do is hard reset and that fixes it
    1. miladjuckel's Avatar
      miladjuckel -
      this is so frustrating i downloaded the iOS 4.0 iPhone1,2_4.0_8A293_Restore, and its on my desktop as a zip file, but when i hold shift and hit restore in itunes the file doesn't show up on my desktop, i'm using windows 7, 3G iphone
      its the same when i go to redsnow and hit the browse button the IPSW file just does not show up
      any ideas?????????????
    1. Europa's Avatar
      Europa -
      milad, don't use Windows Explorer. Use Firefox and it will work.
    1. miladjuckel's Avatar
      miladjuckel -
      alright i'm gonna try it right now, thanks
      wish me good luck, i've been working on it for over 6 freakin hours, and all i had to do is download via firefox, thats just insane
    1. mamirza's Avatar
      mamirza -
      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

      Quote:
      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.
      How long any idea?
    1. rukavuda's Avatar
      rukavuda -
      does anyone know how long the activation in redsnow takes ?
      been activating for 5+mins now with the spinny circle
    1. iNT3Rv3NTiONZz's Avatar
      iNT3Rv3NTiONZz -
      i dont understand is there a jailbreak yes or no for a legit carrier 3G!?!
    1. mbeezy81's Avatar
      mbeezy81 -
      ^^^yes
    1. Dr.Xanax's Avatar
      Dr.Xanax -
      I have a question guys, currently I'm running on a 3GS with 3.13 unlocked (thanks to the unlock released today) and WHEN the jailbreak comes out for iOS 4.0 for 3GS, I will upgrade.

      BUT! Do you need the original sim to reactivate the phone when upgrading to iOS 4.0? I say this because my SIM is back in the United States and I'm currently overseas.
    1. miladjuckel's Avatar
      miladjuckel -
      alright guys i successfully jailbroke with redsnow and then unlocked with ultrasnow, and everything works fine phone etc..
      only problem is that itunes won't sync with my phone anymore it keeps telling me that it doesn't recognize it and wants me to put it back into factory settings, any ideas why???????
      cause i sure would like to get all my music and pics back on it again
    1. iNT3Rv3NTiONZz's Avatar
      iNT3Rv3NTiONZz -
      Quote Originally Posted by mbeezy81 View Post
      ^^^yes
      were can i get an os4.0 IPSW then i got the redsnow update...
    1. rukavuda's Avatar
      rukavuda -
      MANY THANKS !!! Dev team !!!!!
      2 x unlocked jailbroke iphone 3g's on tmobile uk on OS4
      used redsn0w and ultrasnow without any issues !
      MANY THANKS once again
    1. iNT3Rv3NTiONZz's Avatar
      iNT3Rv3NTiONZz -
      Quote Originally Posted by rukavuda View Post
      MANY THANKS !!! Dev team !!!!!
      2 x unlocked jailbroke iphone 3g's on tmobile uk on OS4
      used redsn0w and ultrasnow without any issues !
      MANY THANKS once again
      where can i get a god damn IPSW PLEASE HELP MEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE E

      ive listened to the air wick ad like 7 times now please someone tell me so i can stop refreshing this page...
    1. rukavuda's Avatar
      rukavuda -
      Quote Originally Posted by MaxxyBoii2K10 View Post
      were can i get an os4.0 IPSW then i got the redsnow update...
      why dont you stop being a child, and maybe do a search on this thread, i did hence me doing what you require !!
      if you go 2 or 3 pages back there is a link for the ipsw's
    1. iNT3Rv3NTiONZz's Avatar
      iNT3Rv3NTiONZz -
      alright you can say it nicely and THANKS!!!
      oh im 18 btw :s
    1. Maarten16's Avatar
      Maarten16 -
      now updating my iPhone 3G to iOS4, now hope redsn0w will work...
      Btw, does the multitasking trick for the 3G still work?? Cause I want that...
    1. miladjuckel's Avatar
      miladjuckel -
      Download these two items

      iOS 4- Go to - iPod, iPhone and iPad Firmware Download and go to iPhone, scroll down to iPhone 3G (4.0/8A293) and download.

      Redsn0w- http://sites.google.com/a/iphone-dev..._0.9.5b5-3.zip

      don't forget you must download everything with firefox if you're using windows, otherwise it won't work
    1. Maarten16's Avatar
      Maarten16 -
      I already have the 4.0 ipsw and the newest Redsn0w which is updated like 9hours ago.