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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. MexiChriS's Avatar
      MexiChriS -
      I thought the Cydia repo to unlock was updated/changed to: https://iOS4.ultrasn0w.org

      or did I read this wrong from a previous read?
    1. gcastro723's Avatar
      gcastro723 -
      Quote Originally Posted by MexiChriS View Post
      I thought the Cydia repo to unlock was updated/changed to: https://iOS4.ultrasn0w.org

      or did I read this wrong from a previous read?
      its remained the same bro.
    1. jabregousmc's Avatar
      jabregousmc -
      Quote Originally Posted by scatman10 View Post
      Has anyone tested the cydia updates on a 3gs on 3.1.2? Is it making the infinite re-spring loop?
      uh...3gs isnt supported for jb'ing yet?
    1. mudslag's Avatar
      mudslag -
      Im on the touch 2g, stuck on the waiting for reboot
    1. Buckmaster's Avatar
      Buckmaster -
      XFaega,jabregousmc, Thanks for the info/advise. I thought I could from what I was reading, but I been wrong befor, just like to make sure be for screwing up my phone. will give it a try.
    1. mafo5000's Avatar
      mafo5000 -
      Here is how to jailbreak 4.0 on iphone 3g and ipod touch 2g
      Jailbreak iOS 4.0 iPhone 3G, iPod touch 2G with Redsn0w 0.9.5b5-3 [How to Guide] | Redmond Pie
    1. jluzbet's Avatar
      jluzbet -
      Quote Originally Posted by mudslag View Post
      So on that version do we use the GM or the 4.0 that came out today?
      yeap... just finished two 3g... now waiting for my 3gs...
    1. MexiChriS's Avatar
      MexiChriS -
      Also what about unlocking baseband 5.12.01? Said ALL basebands since iPhone 3.1 but I don't see that baseband listed... Is it just prior to that not after OS 3.1?
    1. mudslag's Avatar
      mudslag -
      how long did it take from the "waiting for reboot" part? Im going on 5mins here
    1. Poseidon79's Avatar
      Poseidon79 -
      Everything installs great!.... but nothing actually works... lol. SB Settings installs but doesn't launch... activator installs but doesn't show up in Settings.
    1. XFaega's Avatar
      XFaega -
      Quote Originally Posted by jabregousmc View Post
      originally when i loaded the GM i restored from backup and it ran pretty damn quick on my 3g. and today when i loaded up the official 4.0 i set up as new iphone and it's running SLOWER! will keep messing with it to try to see what's up.
      I'm going to try my 3G and see if I get the same results as you. For some reason iTunes download is snail slow. Wow! Also notice MMi is also slow. I'll update when I get everything download and JB.
    1. adrian1480's Avatar
      adrian1480 -
      interesting. i installed the updated version of iBooks for the iPhone. none of my books show up.
    1. XFaega's Avatar
      XFaega -
      Quote Originally Posted by Buckmaster View Post
      XFaega,jabregousmc, Thanks for the info/advise. I thought I could from what I was reading, but I been wrong befor, just like to make sure be for screwing up my phone. will give it a try.
      Good luck. Never can get enough info. Glad you took the time to research and verify before you did anything. Keep us posted.
    1. mudslag's Avatar
      mudslag -
      nm got it working
    1. RaiV3R's Avatar
      RaiV3R -
      Quote Originally Posted by Poseidon79 View Post
      Everything installs great!.... but nothing actually works... lol. SB Settings installs but doesn't launch... activator installs but doesn't show up in Settings.
      Activator worked fine for me, I didn't have to change anything. As soon as I installed it, SBSettings started to work, besides a few other small bugs.

      I'm waiting on Pwnage Tool 4.0 before I take the leap to 4.0 from the GM Candidate.

      Maybe they did a few other things here and there on the official iOS 4.0?
    1. Halo2kid49's Avatar
      Halo2kid49 -
      Umm I downgraded to 3.1.2 and now no jailbroken apps are working... winterboard, five icon dock, etc.. Please Help!
    1. maxgsteinberg's Avatar
      maxgsteinberg -
      i have an iphone 3GS on the 3.1.3 and 5.1.2 baseband, i'd really like to update to the 4.0 software. is there a jailbreak that i can use safely yet? i dont need to unlock just jailbreak
    1. akuamakana's Avatar
      akuamakana -
      just wanted to post that my iphone 4 order from att finally says SHIPPED!
    1. jasonm253's Avatar
      jasonm253 -
      which app should i test out for multitaskin?
    1. Turb02's Avatar
      Turb02 -
      has anyone confirmed that mywi is working on JB ios4?