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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. imagineThiss's Avatar
      imagineThiss -
      dam well half dam lol... i have g1 sim tooo i was hoping that one would work.. but i also got a 3 year old one
    1. luckydezl's Avatar
      luckydezl -
      Quote Originally Posted by scincade View Post
      im getting invalid sim can anyone help
      i was also getting invalid sim then I just left the sim in there and 10 minutes later I came back and it said tmobile and had 5 bars of service....also what seemed to work for me was to reset the network settings.
    1. xjuliephanx's Avatar
      xjuliephanx -
      I actually have the turbo sim for 2.2 (not the rebel sim, but the black plastic one). Its not flawless. In areas of low signal it'll drop to no service and to regain service I have to pop the sim into a spare phone then pop it back into my iphone. Kind of an inconvenience. I probably do it at least once a day. Then again no solution is perfect for the 2.28 basebands yet :[ Seems most of us can't make outgoing calls with yellowsn0w. Hopefully it'll be addressed soon. I much rather prefer software unlock then hardware unlock. Popping out my sim upon rebooting is a whole lot easier than switching phones for when I lose signal. :]
    1. name00's Avatar
      name00 -
      Quote Originally Posted by scincade View Post
      im getting invalid sim can anyone help
      reboot your iphone twice
      stay calm
      i got the same thing, and it worked
    1. box's Avatar
      box -
      i have the same problem. im getting invalid sim. i wonder if it's because i need a new sim chip? cause my sim chip is pretty old. anyone else have this problem.
    1. scincade's Avatar
      scincade -
      hey thanks. i appreciate the help a whole bunch.
    1. Vip09's Avatar
      Vip09 -
      how install Cydia..and yellowsnow...show me plssss...thanks
    1. box's Avatar
      box -
      actually i have a SIM FAILURE. i dont understand what that means. but i put my girls sim card in. and the AT&T sim works.

      -- omg! as i am typing this posting. my phone just connected to tmobile. all i did was restart it a few times. and left it there for a while.
    1. name00's Avatar
      name00 -
      Quote Originally Posted by box View Post
      actually i have a SIM FAILURE. i dont understand what that means. but i put my girls sim card in. and the AT&T sim works.

      -- omg! as i am typing this posting. my phone just connected to tmobile. all i did was restart it a few times. and left it there for a while.
      like i said
      reboot it twice and youll SEE
    1. sr71blackbird92's Avatar
      sr71blackbird92 -
      Quote Originally Posted by bballcat03 View Post
      it will update the baseband when you restore via itunes
      But not if you update it?!
    1. DSMKilla's Avatar
      DSMKilla -
      Quote Originally Posted by kk_maths97 View Post
      nice tool...i wish i had iphone 3G :-(

      will this unlock for 2g ipod touch or no???
      WOW!!!!!!!! Some peoples children
    1. sr71blackbird92's Avatar
      sr71blackbird92 -
      Quote Originally Posted by Vip09 View Post
      how install Cydia..and yellowsnow...show me plssss...thanks
      quickpwn. or pwnage tool... google it.
    1. scincade's Avatar
      scincade -
      OH YES, BABY!!!!!!! i got it finally. i hope it is safe to sync it with itunes. is it? what happens if i turn off my iphone, will i have to start over? don't yell at me just nervous and freakin happy all at once.
    1. cpjr's Avatar
      cpjr -
      ^Your fine with all of the above.
    1. emer_cvt's Avatar
      emer_cvt -
      is bb 2.28 for 3g only?
      im on 1st gen and my modem FW said 04.05.04_G.
      how can i verify baseband?
      TIA
    1. cpjr's Avatar
      cpjr -
      Quote Originally Posted by emer_cvt View Post
      is bb 2.28 for 3g only?
      im on 1st gen and my modem FW said 04.05.04_G.
      how can i verify baseband?
      TIA
      Read the description....this is 3g unlock only.

      2g unlock has been out for a long time.
    1. sr71blackbird92's Avatar
      sr71blackbird92 -
      Quote Originally Posted by kk_maths97 View Post
      nice tool...i wish i had iphone 3G :-(

      will this unlock for 2g ipod touch or no???
      sure, as long as you can figure out how to get the sim card out!
      (and get it jailbroken)
    1. imagineThiss's Avatar
      imagineThiss -
      Quote Originally Posted by sr71blackbird92 View Post
      sure, as long as you can figure out how to get the sim card out!
      (and get it jailbroken)
      looool
    1. punkstar31's Avatar
      punkstar31 -
      Quote Originally Posted by kk_maths97 View Post
      nice tool...i wish i had iphone 3g :-(

      will this unlock for 2g ipod touch or no???
      damn
    1. aziatiklover's Avatar
      aziatiklover -
      for me wat i did to make it work is putting my tmobile sim into my 2g phone so it can pick up tmobile network then put the tmobile sim back into my 3g. Everything works fine except calling out and when i tried to call someone i lost all signals and have to redo the whole process again.