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  • [ RELEASE ] 3G iPhone Unlocked - Eat the yellowsn0w


    You've waited. You've watched. You've waited more. Now... its here!

    The Dev Team has released yellowsn0w, the 3G iPhone unlock. Its available NOW via Cydia, you'll need to add their source (check the release post for the URL - they'd prefer sites didn't link the repo url) then check your Changes tab - yellowsn0w should be right on top. If you don't know how, here's how to add a source in Cydia. Refresh if you don't see it. If you're reading this later, just search for yellowsn0w in Cydia (making sure of course you've added their source). As guessed (and confirmed a bit later) from their post earlier today, IT WORKS WITH THE 02.28.00 BASEBAND version - in fact, ONLY for that baseband version. Meaning yes, you will need to update in iTunes and then use PwnageTool on a freshly updated 2.2 iPhone if you DON'T have 02.28.00 right now. Running the unlock on older basebands will simply cause it to exit, and do nothing. "No harm, no foul."

    All you do is go to the package in Cydia and install just like you'd install any other package. Boom - restart the iPhone, and...

    ...wait for the slide to unlock screen, then wait 10 or 15 secs more. If you don’t see your carrier name pop up, then remove your SIM, reinsert it, and wait 10 secs more. This is the step we’ll be working on eliminating next.
    Then you're unlocked. A quick note for users whose SIM cards come preinstalled with menus or apps on them, you'll

    ...need to pull and reinsert the SIM once after rebooting the phone to engage the unlock. Even though it’s needed only once per boot, it’s still a nuisance and we’ll be fixing that ASAP... You’ll know if you fall into that “extra step” category if your carrier doesn’t show up within about 10 seconds of the slide to unlock screen.

    There is a known issue with SIM cards that have STK (SIM Toolkit) application menus, these menus are usually items such as “top up” “get credit” etc. These menu items confuse the application sometimes, removing and reinserting the SIM fixes this issue.
    Answers to some potential questions:

    My modem software says I have {less than 02.28.00} - can I still unlock?
    Yes, but you have to upgrade your baseband to 02.28.00 before you do anything. First restore completely to 2.2 in iTunes (just connect the iPhone to the computer, go to the iPhone tab in iTunes, and press Restore in the version area).You can follow this guide to jailbreak after, then install the unlock from Cydia.

    Is this permanent? In other words, will I be able to upgrade my firmware when the next one comes out and keep my unlock?
    No. This is a soft[ware] unlock, not a hardware unlock, so you'll need to do as we've mostly been doing - wait to upgrade on new firmwares (all current firmwares are unlockable as of now) until the Dev Team releases a patch. Of course we'll have details for you every time Apple comes out with a firmware update.

    What if I WANT to remove the unlock?
    yellowsn0w is completely removable through Cydia, the command line, and iTunes.

    I'm still on [2.1 / 2.0.2 / 2.0.1 / 2.0] firmware on my iPhone 3G, but would like to upgrade... what should I do?
    Back up your iPhone. Restore in iTunes. Follow this guide to upgrade to 2.2 jailbroken, then simply install yellowsn0w from Cydia when you're finished - unlocked, jailbroken, enjoy.

    I have T-Mobile, and they've recently upgraded their network to include 3G. Can I use the T-Mobile 3G data network with my unlocked iPhone 3G?
    No - T-Mobile and AT&T use different 3G frequencies, so your iPhone 3G won't pick up T-Mobiles 3G network. You CAN however still use T-Mobile EDGE and GPRS just fine with the iPhone 3G - as well as all T-Mobile's voice features, and WiFi of course.

    I have AT&T. I don't plan on selling my iPhone anytime soon, and I'm staying with AT&T. Is there any benefit for me to unlock my iPhone?
    Nope. Aside from the ability to use the iPhone 3G on other networks than it comes locked to (T-mobile in the States, various carriers elsewhere), and the higher potential asking price if you sell your iPhone unlocked, there are no benefits to unlocking your iPhone.

    OMG WTF BBQ!!!! This is awesome and I want to donate. Who do I send money to?
    Don't. They like uh... post cards. Scanned. And emailed.

    I think you're wrong about the basebands it will work with. I have an older baseband, and I'm going to run the unlock anyway. I think it will magically work in my case.
    I'm going to have a sandwich. After we each do these things, lets reconvene and see who's happier.


    [B]Edit: T-Mobile USA Users must turn off the 3G toggle in settings.

    Everyone: You MUST have your SIM card in (without the proxy chip) throughout the entire process. With your SIM card installed... Install yellowsn0w 0.9, then reboot and wait up to 2 minutes for the phone to get service. If it doesn't work then uninstall 0.9 and try version 0.91. Keep reporting

    If you have a SIM PIN you will need to REMOVE this first before running yellowsn0w... it is not compatible (yet)[/B


    Update: Version 0.9.5 should fix T-Mobile USA outgoing call SIM issues.

    EDIT: In case there is still any confusion about how to unlock your 3G iPhone, a tutorial has been created. Be sure to read the instructions very carefully so that you are on the right firmware or you maybe never be able to unlock your 3G.
    IPhone 3G Unlock Guide - ModMyi - Wiki
    This article was originally published in forum thread: [ RELEASE ] 3G iPhone Unlocked - Eat the yellowsn0w started by Kyle Matthews View original post
    Comments 1325 Comments
    1. confucious's Avatar
      confucious -
      Download iPhone1,2_2.2_5G77_Restore.ipsw
      Hold down shift and click restore in iTunes and make sure you select the ipsw file you have just downloaded.
      Once it has restored set up as a new phone and see if iyt activates with your O2 SIM.
      If it does you can restore your backup if it doesn't just jailbrake and install yellowsn0w again.
    1. newyork0900's Avatar
      newyork0900 -
      Quote Originally Posted by confucious View Post
      Download iPhone1,2_2.2_5G77_Restore.ipsw
      Hold down shift and click restore in iTunes and make sure you select the ipsw file you have just downloaded.
      Once it has restored set up as a new phone and see if iyt activates with your O2 SIM.
      If it does you can restore your backup if it doesn't just jailbrake and install yellowsn0w again.
      Thanks confucious, I have downloaded the file, but when I shift and restore, then go to selct the file it does not show anything, I then selct the folder within the main folder and again it doesn't allow me to select anything (if you understand what I'm trying to say).
    1. confucious's Avatar
      confucious -
      Do you have a file called iPhone1,2_2.2_5G77_Restore.ipsw on your PC?
      When you hold shift restore it should look for *.ipsw - does it?
    1. newyork0900's Avatar
      newyork0900 -
      Quote Originally Posted by confucious View Post
      Do you have a file called iPhone1,2_2.2_5G77_Restore.ipsw on your PC?
      When you hold shift restore it should look for *.ipsw - does it?
      I do have the file, but when you select the file and click open, it does not fill in the file name, hence nothing.
    1. confucious's Avatar
      confucious -
      Do you not see something like the attached?
    1. newyork0900's Avatar
      newyork0900 -
      Quote Originally Posted by confucious View Post
      Do you not see something like the attached?
      Confucious, thanks for your help and patience. I don't get the attached, shift, restore, then the same as the screen shot you've got, but when I click on the folder, the file name rnames blank, I continue to select the various folders, but it still does not put anything in the file name. It is set on ipsw
    1. confucious's Avatar
      confucious -
      Folder? the .ipsw is a file not a folder. Have you unzipped it?
    1. markps's Avatar
      markps -
      if you look at the screenshot above there is a little box above cancel and open click on the little arrow and pick ispw then search for ur ispw
    1. newyork0900's Avatar
      newyork0900 -
      Quote Originally Posted by confucious View Post
      Folder? the .ipsw is a file not a folder. Have you unzipped it?
      It has been unzipped and is sat on my desktop.

      Quote Originally Posted by markps View Post
      if you look at the screenshot above there is a little box above cancel and open click on the little arrow and pick ispw then search for ur ispw
      The screen shot above shows the exact same as what I have except, the file is not contained within any folder. The selection box next to file name, has been selcted for ipsw, a search has been made using the search option at the top of the window but has not found anything.
    1. confucious's Avatar
      confucious -
      You should NOT unzip it! It needs the ispw file.
    1. newyork0900's Avatar
      newyork0900 -
      I have downloaded the zipped file you provided on your previous post and then unzipped it to my desktop, which created a folder, I then opened itunes, then hold shift while clicking restore, it then opened another small window as shown in your attachment, but showed icons on my desktop, leaving wher it says file name blank, along side that it gives the drop option for ipsw or something like icpu? If I selct the desktop folder and click open it then opens to show to other folders, if I select one of those and click open it once again does the same, until there are no folders left to open. It clealry does not recognise ipsw anywhere on my computer or the zipped file I donwnloaded from your link. Sorry to be a pain
    1. confucious's Avatar
      confucious -
      Why have you unzipped it? Just download the file, do NOT unzip it then select it in iTunes.
    1. newyork0900's Avatar
      newyork0900 -
      I have now not unzipped it and opened itunes, hold shift, click restore and window opens displaying desktop icons, the zipped file is not there

      Confucious I renamed the zip to ipsw and it worked, the phone restered and was activated as new, all my apps etc was up back on. So a big thanks to you your the man. Now the big question, I now assume, due to the phone now being excepted as new I can now update the fw via itunes, thus updatin the BB??
    1. confucious's Avatar
      confucious -
      You should now have FW 2.20 with BB 2.28 and be good to use jailbreak - making sure you use the ipsw file you've just used then download Yellowsn0w from cydia. Do NOT upgrade to 2.21 in iTunes!
    1. newyork0900's Avatar
      newyork0900 -
      Quote Originally Posted by confucious View Post
      You should now have FW 2.20 with BB 2.28 and be good to use jailbreak - making sure you use the ipsw file you've just used then download Yellowsn0w from cydia. Do NOT upgrade to 2.21 in iTunes!
      Sorry confucious, it may just be me being very thick but my iphone has version 2.2(5G77) and BB 02.28, it has no cydia/yellowsn0w and my O2 sim is working perfectly. I thought I would be able to update the FW via itunes and it would still work with updated 2.21 and BB
    1. confucious's Avatar
      confucious -
      Do you want to be able to unlock your phone? If so do not upgrade to 2.21 as this will stop YellowSn0w working.
      If you want yellowSn0w you now need to jailbrake it and install cydia.
      If you are 100% certain you will only ever use your phone on O2 (and never want to put a local SIM in when you go abroad or use another network) then you could upgrade but you will not be able to unlock it.
    1. newyork0900's Avatar
      newyork0900 -
      I would never move from my network provider O2, 800 minutes talk time 1600 text and unlimited 3G, all for £20 + perfect coverage The only thing I would want to do is jailbreak it so I can have winterboard back on etc...
    1. confucious's Avatar
      confucious -
      But O2's 3G is so much slower than T-Mobile's....

      Why bother to update though? Just jailbreak what you have then you still have the option of YellowSn0w if ever you want it.
    1. newyork0900's Avatar
      newyork0900 -
      Quote Originally Posted by confucious View Post
      But O2's 3G is so much slower than T-Mobile's....

      Why bother to update though? Just jailbreak what you have then you still have the option of YellowSn0w if ever you want it.
      True If I did update, would I still be able to Jailbreak but just wouldn't be able to use Yellowsn0w
    1. confucious's Avatar
      confucious -
      You can jailbrake any FW but you will gain nothing from 2.21 just lose the option of YellowSn0w - so why bother?