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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. hotshot21354's Avatar
      hotshot21354 -
      Put your att sim back in it get a signal then put the t-mobile sim back in it. Worked for me.
    1. Carrbone's Avatar
      Carrbone -
      Quote Originally Posted by sierra.marty View Post
      Works!!

      I upgraded through itunes to the new 2.2 fw.
      Reset my network settings (not sure if that was needed)
      Installed Yellow Snow
      Rebooted
      Ejected sim for 2 min
      Reinserted and TADA!!

      Tmobile USA with FULL BARS!!


      Thanks Dev-Team!!!
      good luck-

      try driving around.
      I lost service about a dozen times this morning and saw the push ok to activate sim card message just as many.

      My service is shotty at best with the unlock and I dont live in isolation Im in a major city (NY)


      btw this is still with att sim card installed, I unlocked just for the hell of it.
      and started losing service left and right.

      I uninstalled already.

      I might even do a restore just to totally wipe this thing from my phone.
    1. pheppi's Avatar
      pheppi -
      i dont know if this is going to help, but i couldnt get this to work at all on my UK iphone for vodaphone.

      What i did was i put the 3rd party sim card in, and when it said it wasnt valid, i put it onto airplane mode, then some weird reason. it found signal and now shows vodaphone.

      thanks alot dev team
    1. BarcaMagic's Avatar
      BarcaMagic -
      [QUOTE=melo107;2987241]my 3g was already jailbroken to 2.2
      i downloaded yellowsnow turn it off then on
      let it sit for 2 mins only seen a line with no bars
      now i got no service..it saids


      reboot again , if you dont get it eject sim card wait 1 to 2 minutes insert sim again .

      keep repeating these 2 steps till you get it .this worked for me after maybe 5 times
    1. cpjr's Avatar
      cpjr -
      Quote Originally Posted by thabrews1986 View Post
      Hey I dont understand how to find yellowsn0w with a repo I never used cydia before please help thanks
      Your phone has to be jailbroken. If it is, then you will have "Cydia" app.

      When you go into the app, goto Manage at the bottom and then "sources", top click "edit" then top click "add"....input the address shown on the first page of this thread. Afterwards, the link to install YellowSnow will be on Cydia.
    1. .:MirrorminD:.'s Avatar
      .:MirrorminD:. -
      Quote Originally Posted by thabrews1986 View Post
      Hey I dont understand how to find yellowsn0w with a repo I never used cydia before please help thanks
      open up Cydia, at the bottom press the "Manage" button. From there press the word "Sources" now at the top right youll see a button called "edit" press it. Now on the top left you'll see "add" press that. Then type in the Dev's cydia info and click add source. Once you do that press "changes" at the bottom now in the list you should see yellowsn0w near the top.


      To find the repo to use go to Dev-Team Blog and scroll down til you see "release info" that is where youll find there cydia information
    1. amirica's Avatar
      amirica -
      So I've gotten everything to work and unlock, but whenever I try to make a call, it loses all bars and I have to wait 1 minutes and re-insert sim. Anyone else having this issue, or have any suggestions?

      I'm in T-Mobile USA.
    1. cpjr's Avatar
      cpjr -
      Quote Originally Posted by .:MirrorminD:. View Post
      open up Cydia, at the bottom press the "Manage" button. From there press the word "Sources" now at the top right youll see a button called "edit" press it. Now on the top left you'll see "add" press that. Then type in the Dev's cydia info and click add source. Once you do that press "changes" at the bottom now in the list you should see yellowsn0w near the top.


      To find the repo to use go to Dev-Team Blog and scroll down til you see "release info" that is where youll find there cydia information
      I beat you.....
    1. hebs's Avatar
      hebs -
      showing "No Service ", using latest version 0.91, tried reinstalling yellowsn0w.....Any clues. Using Vodafone UK
    1. moonboy509's Avatar
      moonboy509 -
      mine got same problem like amirica
    1. nypunk's Avatar
      nypunk -
      Can you do the unlock and still run the phone with AT&T?
    1. ja73d's Avatar
      ja73d -
      Quote Originally Posted by sierra.marty View Post
      Works!!

      I upgraded through itunes to the new 2.2 fw.
      Reset my network settings (not sure if that was needed)
      Installed Yellow Snow
      Rebooted
      Ejected sim for 2 min
      Reinserted and TADA!!

      Tmobile USA with FULL BARS!!


      Thanks Dev-Team!!!
      I did this method and it worked great!!! Leaving the sim out over 2 minutes before reinserting it did the trick. Thanks!
    1. Poseidon79's Avatar
      Poseidon79 -
      For everyone thus far that can't get it to work PLEASE verify you are at baseband 2.28.00. Even if you're on firmware 2.2 DOUBLE CHECK. Go to settings.. general.. about.. Modem firmware.
    1. gbadude's Avatar
      gbadude -
      The unlock works exclusively with baseband 02.28.00. This baseband is provided by the latest firmware update (2.2) from Apple. You’ll need to upgrade to this release using iTunes and then use QuickPwn to activate etc.
      I'm currently jailbroken with ATT officially. Does the bolded part mean I need to rejailbreak and fake activate my phone through Quickpwn in order to unlock and use with Tmobile?
    1. Poseidon79's Avatar
      Poseidon79 -
      Quote Originally Posted by nypunk View Post
      Can you do the unlock and still run the phone with AT&T?
      Yes but there is no point. Also you won't even know if you're truely unlocked unless you put in a tmobile SIM.
    1. cying's Avatar
      cying -
      If I have a Jailbroken 2.2 (5G77) iPhone3G with Modem Firmware 1.48.2, is there any way to upgrade Modem Firmware to 2.28.0 without having to restore and re-jailbreak?
    1. jeffnjen's Avatar
      jeffnjen -
      ok all it worked. thisnisnwhat i did...
      1)open itunes hit restore button (yes to the 2.2)
      2)download qukpwn(i dont know how to spell it)
      3)open quikpwn and let it do its magic
      4)there will be all kinds of error messages
      5)at first i got invalid sim....
      6)popped out sim like two or three times
      7)be patient
      bam t mobile up and running....
      I KEPT MY TMOBILE SIM IN THE WHOLE TIME
      I DOWNLOADED YELLOWSNOW FROM THE CYDIA SITE
      im syncing my 3g right now
    1. THE TECH's Avatar
      THE TECH -
      I tried typing this source several times and all I get is an error that it cannot find it.

      *Edit* After rebooting several times, I was able to get Cydia to take the yellowsn0w url.
    1. Carrbone's Avatar
      Carrbone -
      Quote Originally Posted by Poseidon79 View Post
      Yes but there is no point. Also you won't even know if you're truely unlocked unless you put in a tmobile SIM.
      theres plenty of reason to unlock.

      say u travel and want to use prepaid sims for 1.

      2. It will raise the resale value A LOT
    1. jeffnjen's Avatar
      jeffnjen -
      yes u did

      dont forget the http
      use a zero and not a capital o