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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. Rinnycoop121's Avatar
      Rinnycoop121 -
      Why do we need to disable 3G service when unlocking
    1. bbushyy's Avatar
      bbushyy -
      Quote Originally Posted by aaddaam View Post
      [SIZE="6"]hello guys

      today when the iPhone 4 unlock came out I opened cydia to add ultrasnow's new repo to unlock. After adding it said that cydia needs to be updated so I tap on essential updates. During installation it got stuck at springboarb reloading. I got confused and after waitin for a long time I manually rebooted iPhone. After that the Apple logo appeared and stayed on for about 5 mins and than phone came into normal form but now cydia just doesn't installs anything. Either I try to upgrade or install any new app or even cydia isntaller new update it just doesn't installs and after the process show that it's still not installed. What should I do? I need to get it working cuz I need to unlock
      i would rejailbreak it first and if that doesnt work start from
      the begining again
    1. tw1zt3d's Avatar
      tw1zt3d -
      Quote Originally Posted by Rinnycoop121 View Post
      Why do we need to disable 3G service when unlocking
      You've asked this 3 times now. It was answered on the top of Page 3 by this guy. vvvvv

      Quote Originally Posted by knguyen View Post
      Most people unlock to use their phone with TMobile, and TMobile's 3G band is not compatible with the iPhones.
    1. screamforme02's Avatar
      screamforme02 -
      wooooooooo!!!!!
    1. RaiV3R's Avatar
      RaiV3R -
      Woo! Can't wait for the new PwnageTool,
    1. n00neimp0rtant's Avatar
      n00neimp0rtant -
      Quit asking why we need to disable 3G. Seriously, I'm getting annoyed.

      T-Mobile USA does NOT support the iPhone's 3G bands, so unless you want to waste battery, turn it off. You have always had to do this. This is nothing new.
    1. chemalito's Avatar
      chemalito -
      Im in 3.1.3 jailbreak with Spirit and I download ultrasn0w tp see if it works... and it does... BUT, the internet does not want to work, Im using my brother's sim from T-Mobile, he have a Blackberry, is that causing the problem????? Cause I hear T-Mobile have the Blackberry data plan, dont know cause I have never use T-Mobile, if someone knows how to fix this please let me know, Im planning on selling my 3G to him but that is the only thing stoping the transaction :P
    1. dazzer1983's Avatar
      dazzer1983 -
      Cant wait
    1. GrandMstrBud's Avatar
      GrandMstrBud -
      Unlocked my 3GS on 3.1.3 jailbroken with spirit and unlocked with ultrasn0w. Also updated my other 3GS to 4.0 but can't jailbreak that yet but no big deal because I know it will be out soon.
    1. wendelltan's Avatar
      wendelltan -
      Thanks!!!!

      Now my phone is unlocked!
    1. lj22s's Avatar
      lj22s -
      What great news. Can't wait for jailbreak. I'm getting my sim-free iPhone from the UK.
    1. jacobthejokester's Avatar
      jacobthejokester -
      Waiting for hackivation.
    1. Monofrio's Avatar
      Monofrio -
      T-mobile is not the only reason to disable the 3G. I am unlocked with Simple mobile and it works awesome. If anyone is looking for an alternative to AT&T and t-mobile, Simple is is the way to go.just last week they updated their plans to 60 bucks unlimited everything and 50 for 1g Internet, 40 if you don't want Internet. Yes, edge is slow but that's what we started with on the 1st iPhone.
      I am not affiliated with Simple Mobile, I just dig the plans and AT&T sucks with their nickel and dimming you for everything. Shoot I used to pay about 250 for unlimited everything with AT&T and now I save big bucks. I am even able to pay for myfi with verizon for my 3G anywhere service (great for the wifi iPad).
      Keep up the awesome works devs, can't wait for both iPhone 4 ios 4.
    1. punjabi212's Avatar
      punjabi212 -
      I'm confused. If I were to update my 3g to IOS4 right now, there is a jailbreak for it on windows?

      Thanks in advance!
    1. area51crypto's Avatar
      area51crypto -
      Quote Originally Posted by vojtasks View Post
      I have noob question. I tried to update to iOS4 GM with redsn0w jailbreak. But my iPhone stuck on emergency call screen, I think everyone allready seen screen like this. Of course iphone told me to insert correct sim card (ATandtT?) So this all means I need unlock my baseband, BUT how can I unlock baseband if I can get into iOS 4 itself? Please be patien and give me a simple explanation, I know I am very very foolish noob:-))
      Your going to half to have an AT&T Sim!

      It can be from anybodys phone or new one just as long as it is a good sim!

      You can get a new one of them off eBay for about $4 or $5 shipped!

      You need to get one as anytime you restore you will have to use the AT&T sim first off!
    1. mbeezy81's Avatar
      mbeezy81 -
      ....
    1. smr891's Avatar
      smr891 -
      It is so close now my spider sense is tingling
    1. Monofrio's Avatar
      Monofrio -
      Blacberry plan is not compatible with the iPhone. Just contact t-mobile and have them cancel the BB plan and give you unlimited PDA internet plan.
    1. converym's Avatar
      converym -
      So while I wait for my iPhone 4 to come in the mail on Thursday...Am I really SOL with my OG 1st gen iPhone when it comes to iOS4?

      Thanks for the responses!
    1. coppernights's Avatar
      coppernights -
      3G with jailbroken 4.0 running smooth and all straight. just sold it on craigslist and my new iphone 4 is on it's way to me.