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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. melo107's Avatar
      melo107 -
      Quote Originally Posted by liton View Post
      I try here with my 3G but seems the problem is same as like other persons, Just 5 dots and no signal. I try several time install and uninstall YellowsnOw and 3g off, Airplane mode on-off but all the same.

      Don't know what to do now,
      are yoy using cydis i found it easier when i downloaded from installler
      just download reboot turn airplane off and on

      Quote Originally Posted by johnnys View Post
      Im in the US and tried using my t-mobile sim after installing yellowsn0w. It doesn't work.
      download yellowsn0w from installer not cydia
      in installler it tells you when to reboot your phone
      your reboot it the got to airplane mode on off and the bang service
    1. oct_86's Avatar
      oct_86 -
      bloody forsome reason once i turned on airplane mode and off it, i got this invalid sim and failure. anybody got that problem as well?
    1. melo107's Avatar
      melo107 -
      Quote Originally Posted by oct_86 View Post
      bloody forsome reason once i turned on airplane mode and off it, i got this invalid sim and failure. anybody got that problem as well?
      download yellowsn0w from installer not cydia
      in installler it tells you when to reboot your phone
      your reboot it the got to airplane mode on off and the bang service
    1. franijose's Avatar
      franijose -
      Almost everything is working on mine except EDGE. Can anyone help please. I want to stop messing around with this is Sunday time for the familiy.
    1. melo107's Avatar
      melo107 -
      Quote Originally Posted by franijose View Post
      Almost everything is working on mine except EDGE. Can anyone help please. I want to stop messing around with this is Sunday time for the familiy.
      wht is you APN you can find it in general>cellular data network
    1. franijose's Avatar
      franijose -
      I was able to see that option before I unlock the phone, now I can't find it anywhere
    1. melo107's Avatar
      melo107 -
      Quote Originally Posted by franijose View Post
      I was able to see that option before I unlock the phone, now I can't find it anywhere
      so you cant see your network settings
    1. center_99_99's Avatar
      center_99_99 -
      install apn editing from cydia. that should get it back to settings - general - network - Cellular data Network

      EDIT: Can you see Cellular data network? Can you see APN?
    1. franijose's Avatar
      franijose -
      Quote Originally Posted by melo107 View Post
      so you cant see your network settings
      No when I go in to network it only gives me a VPN not APN

      Quote Originally Posted by center_99_99 View Post
      install apn editing from cydia. that should get it back to settings - general - network - Cellular data Network

      EDIT: Can you see Cellular data network? Can you see APN?
      No. I already installed that from cydia and nothing
    1. amirica's Avatar
      amirica -
      Quote Originally Posted by woostar88 View Post
      first, uninstall yellowsn0w
      try to reset the network settings.
      and install the latest yellowsn0w.
      reset the network settings.

      reboot.

      if the network doesn't show, turn on the airplane mode ON. and wait about 10sec.(this is important)

      and THEN turn off the airplane. BOOM!

      have fun




      yellowsn0w is ONLY for 3g's.

      and for 2g iphones it's already been unlocked/jailbroken.

      go to dev team website, and you'll be able to find it. if not it's here on the forums.

      cheers!




      have you tried to reinstalling the yellowsn0w? and resetting the network?

      and after reinstall yellowsn0w and then try to perform airplane on/off trick.

      yeah I tried that... I'm gonna try that again, as well as the terminal thing one more time. It seems that for whatever reason, .9.5 is preventing my phone from even searching for a network. Weird...
    1. center_99_99's Avatar
      center_99_99 -
      Quote Originally Posted by amirica View Post
      yeah I tried that... I'm gonna try that again, as well as the terminal thing one more time. It seems that for whatever reason, .9.5 is preventing my phone from even searching for a network. Weird...
      My phone was doing the same thing, and when I used a different sim to install 0.9.5 is when it started working. I don't have to mess with airplane mode or anything now.

      All I did was uninstall 0.9.5, reset settings, insert diff. sim, installed 0.9.5, reboot and got signal, then changed sim and been working perfect ever since.

      Just my experience.

      Quote Originally Posted by franijose View Post
      No when I go in to network it only gives me a VPN not APN


      No. I already installed that from cydia and nothing
      So is APN editing installed or uninstalled right now?
    1. franijose's Avatar
      franijose -
      So I should try to get another SIM card. APN is installed from cydia
    1. center_99_99's Avatar
      center_99_99 -
      Quote Originally Posted by franijose View Post
      So I should try to get another SIM card. APN is installed from cydia
      Well my apn was already loaded. It is weird like that. The reason I asked if APN editing was currently installed, is because if you already had APN editing on your iphone and then installed apn editing it could have caused a glitch and removed apn editing.

      If you have APN editing installed try uninstalling it. Be sure to reboot after

      If you don't have APN editing installed try installing it. Be sure to reboot after


      If those don't work search the forums for the proper layout, then ssh into your phone and change it there.
    1. franijose's Avatar
      franijose -
      Quote Originally Posted by center_99_99 View Post
      Well my apn was already loaded. It is weird like that. The reason I asked if APN editing was currently installed, is because if you already had APN editing on your iphone and then installed apn editing it could have caused a glitch and removed apn editing.

      If you have APN editing installed try uninstalling it.

      If you don't have APN editing installed try installing it.

      If those don't work search the forums for the proper layout,then ssh into your phone and change it there.
      It was there before but don't know why it dissapeared. What ssh stands for? sorry

      Something else I just noticed under carrier it reads (null) (null). Is this right
    1. center_99_99's Avatar
      center_99_99 -
      Quote Originally Posted by franijose View Post
      It was there before but don't know why it dissapeared. What ssh stands for? sorry

      Something else I just noticed under carrier it reads (null) (null). Is this right
      Don't know what ssh actually stands for, but you ftp into your iphone so you can see/modify your iphone files and folders on your computer.

      What carrier are you using?


      Edit: SSH stands for Secure Shell protocol
    1. melo107's Avatar
      melo107 -
      Quote Originally Posted by amirica View Post
      yeah I tried that... I'm gonna try that again, as well as the terminal thing one more time. It seems that for whatever reason, .9.5 is preventing my phone from even searching for a network. Weird...
      download yellowsn0w from installer not cydia
      in installler it tells you when to reboot your phone
      your reboot it the got to airplane mode on off and the bang service


      with me it seem as if when i downloaded from cydia
      it wasnt working then i downloaded from installer it worked
    1. juvi9le's Avatar
      juvi9le -
      it is not working for me I followed all the instructions and nothing. HELP PLEASE
    1. franijose's Avatar
      franijose -
      Quote Originally Posted by center_99_99 View Post
      Don't know what ssh actually stands for, but you ftp into your iphone so you can see/modify your iphone files and folders on your computer.

      What carrier are you using?


      Edit: SSH stands for Secure Shell protocol
      Tmobile
    1. juvi9le's Avatar
      juvi9le -
      I am in the Caribbean on a local network. My 2g works fine but this app is by working at all.
    1. Mes's Avatar
      Mes -
      @franijose. (null)(null) for carrier setting is NOT good. When the phone is really seeing a valid carrier that will not be null. I would suggest looking more closely in that area . . which is required before APN/Edge can work.