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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. DmVinny's Avatar
      DmVinny -
      Server is probably bogged down...
    1. Maarten16's Avatar
      Maarten16 -
      nm, everything is working like it should, default cydia icon, can download things etc.
      And multitasking works pretty nice on my 3G
    1. DmVinny's Avatar
      DmVinny -
      So let me ask, did you download the ispw from the link on here, update your OS via itunes (shift + update), then ran redsnow with ispw?

      Or just update ios4 thru apple, then ran redsnow with downloaded ispw?

      Did you have to remove any files? like mobilesubstrate etc?

      also did you have to restore ur jb 3.1.2?
    1. xxzone's Avatar
      xxzone -
      Quote Originally Posted by chriiis1 View Post
      It's freaking me out! What do you think may be the cause? Overload on the server?

      Btw, how did you manually add the source? With ssh? If I try, where should i put the downloaded zip?
      I just used add source in cydia. I'm doing a sync now with is going to take forever loading all these apps. I'll mess with cydia again after that.
    1. Maarten16's Avatar
      Maarten16 -
      update via itunes, then search for the ipsw with redsn0w, further nothing
    1. jabregousmc's Avatar
      jabregousmc -
      PEOPLE!! if you have a 3GS you CAN upgrade to the new OFFICIAL 4.0! there is NO JAILBREAK OR UNLOCK FOR THE 3GS YET.

      if you are on a 3g or ipt 2g you can download the 4.0 thru itunes, windows- Shift-restore mac- option-restore and point it to the 4.0 ipsw. after it updates, launch redsn0w 0.9.5b5-3 browse for the same OFFICIAL 4.0 ipsw and continue to follow jb'ing instructions. after that you're jailbroken.

      3g users that want to unlock get ultrasn0w 0.93 which will unlock all basebands from 4.26.08 thru the newest 5.13.04.

      all of this info has been posted and links have been given NUMEROUS times in this thread.

      all of these people with 3gs's asking if they can update/jb/unlock have been answered MANY times as well. so let me say it again

      3GS CANNOT JB OR UNLOCK YET
      IPT 3G CANNOT BE JB OR UNLOCKED YET
      IPHONE 3G CAN BE JB AND UNLOCKED.

      FROM dev site: For now, the redsn0w beta release supports only the iPhone3G and iPod Touch 2G at todayís 4.0 (official). Itís still a beta, so youíll need to let Cydia reorganize, reload, and update after using redsn0w.

      edit:
      read these links: Update: Redsn0w 0.9.5 beta 5-3 Released to Hacktivate iPhone 3G and iPod Touch 2G
      redsn0w for mac and windows are at the bottom of the article

      upgrade to official 4.0 Upgrade to iOS 4 in 5 Easy Steps
    1. chriiis1's Avatar
      chriiis1 -
      Quote Originally Posted by xxzone View Post
      I just used add source in cydia. I'm doing a sync now with is going to take forever loading all these apps. I'll mess with cydia again after that.
      Yeah it froze for me too now when I added it.
      I guess we just got to wait?
    1. DmVinny's Avatar
      DmVinny -
      Is the redsnow release beta 5-3 have hactivation?
    1. iphoneness's Avatar
      iphoneness -
      I've only jailbroken once and haven't kept up. But if I'm trying to jailbreak to 4.0 with an existing jailbreak will it carry over all my apps or do I need to back then up? Also are their going to be compatibilty issues with cydia apps not working ?
    1. jibblinj222's Avatar
      jibblinj222 -
      I'm kinda of confused. I have a 8GB iPhone 3G on 3.1.3 and baseband 5.12.01. Is this device unlockable? I have already jailbroken it but I need it unlocked...any help would be very appreciated
    1. DmVinny's Avatar
      DmVinny -
      Getting the update now, seems to be maybe frozen on backing up my iphone, wish I could skip it since I already backed up.
    1. reyg25atx's Avatar
      reyg25atx -
      I jailbroke my iPhone 3G test device running ios4 using Redsn0w 0.9.5. It worked fine. However I did not install any JB apps as they may not be ready for ios4.
    1. jabregousmc's Avatar
      jabregousmc -
      Quote Originally Posted by DmVinny View Post
      Is the redsnow release beta 5-3 have hactivation?
      the latest build has hacktivation for iphone 3G and ipt 2G

      Quote Originally Posted by jibblinj222 View Post
      I'm kinda of confused. I have a 8GB iPhone 3G on 3.1.3 and baseband 5.12.01. Is this device unlockable? I have already jailbroken it but I need it unlocked...any help would be very appreciated
      yes read my post above, it has all the info you need! jeez people really?

      Quote Originally Posted by iphoneness View Post
      I've only jailbroken once and haven't kept up. But if I'm trying to jailbreak to 4.0 with an existing jailbreak will it carry over all my apps or do I need to back then up? Also are their going to be compatibilty issues with cydia apps not working ?
      what device are you using?
    1. drWidowmaker53's Avatar
      drWidowmaker53 -
      ^Good luck...Hehehe
    1. iphoneness's Avatar
      iphoneness -
      I know I can't jailbreak my 3gs yet. But it was jailbroken with redsnow and still on version 3.0.1 with 4.26.08 baseband.
    1. jabregousmc's Avatar
      jabregousmc -
      Quote Originally Posted by iphoneness View Post
      I know I can't jailbreak my 3gs yet. But it was jailbroken with redsnow and still on version 3.0.1 with 4.26.08 baseband.
      so just to clarify what you're asking. WHEN a jb is available for the 3GS you're asking if when you jb if all your jb apps will still carry over to 4.0/be compatible?

      if that's what you're asking, i would recommend doing a RESTORE to start fresh and then jb and dl your cydia apps. keep in mind that as of right now a lot of cydia apps are NOT compatible yet!

      a side note, SBSettings IS working with 4.0! when you download sbsettings it will also install activator and a couple other things. you may have to reboot/respring a few times for activator to show up in settings and for the swipe status bar to launch sbsettings. so far it works pretty good.
    1. sabresfan08's Avatar
      sabresfan08 -
      Without reading through all 20 pages, if I JB my 3G 3.1.3 with Spirit, I cannot update to 4.0? Also, has ******* been released for 4.0 yet? Thanks
    1. iphoneness's Avatar
      iphoneness -
      With a restore will the AppStore allow me to redownload apps I previously purchased?

      I'm basically trying to jailbreak / unlock this phone for someone else since I'm upgrading to iPhone.

      With a restore will the AppStore allow me to redownload apps I previously purchases without charging me again? Cause I know with music it makes u repurchase if u didn't back them up on iTunes.

      I'm basically trying to jailbreak / unlock this phone for someone else since I'm upgrading to iPhone4.

      Odd my post is jacked lol
    1. jabregousmc's Avatar
      jabregousmc -
      Quote Originally Posted by iphoneness View Post
      With a restore will the AppStore allow me to redownload apps I previously purchased?

      I'm basically trying to jailbreak / unlock this phone for someone else since I'm upgrading to iPhone.

      With a restore will the AppStore allow me to redownload apps I previously purchases without charging me again? Cause I know with music it makes u repurchase if u didn't back them up on iTunes.

      I'm basically trying to jailbreak / unlock this phone for someone else since I'm upgrading to iPhone4.

      Odd my post is jacked lol
      after you restore and you set up THEIR itunes account they should be able to add all of their apps and not be charged. if in the itunes app on the iphone it shows the price and you try to download that app it should tell you that it's already been purchased and if you would like to reinstall the app, no charge.

      otherwise they SHOULD be able to just resync the phone w/ all of their apps no problem
    1. adelaney's Avatar
      adelaney -
      thanks Dev Team