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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. J-7's Avatar
      J-7 -
      Quote Originally Posted by upstateiphone View Post
      No this doesn't void the warranty. Fresh Apple iPhone restore cleans everything.
      Cool. That's what I thought. Thanks! Im going to do the unlock now.
    1. DSMKilla's Avatar
      DSMKilla -
      Quote Originally Posted by Poseidon79 View Post
      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.
      I'm not sure why that matters seeing as how anyone that ISN'T on 2.28.00 won't even be able to install yellowsn0w
    1. DSMKilla's Avatar
      DSMKilla -
      Quote Originally Posted by MOEPLO View Post
      This is bull**** they made us upgrade to 2.2 with the new baseband and now i cant use my turbo sim and this isnt even 100% stable. It takes a year to finally get service and when it does i try to make a phone call and boom no bars and have to reboot. Now im stuck??
      AGREED! I think the dev team fails big time on this one...
    1. Poseidon79's Avatar
      Poseidon79 -
      Quote Originally Posted by MOEPLO View Post
      its a fresh 2.2 restore, yes its 9.1 and i know how to get tmobile wuickly but anything that triggers my service to work makes signal go flat
      Is your 3G toggle set to off?
    1. Poseidon79's Avatar
      Poseidon79 -
      Quote Originally Posted by DSMKilla View Post
      I'm not sure why that matters seeing as how anyone that ISN'T on 2.28.00 won't even be able to install yellowsn0w
      Update #4 on Dev Team Blog:

      The unlock will silently quit on anything other than baseband 02.28.00. It detects the wrong version and just quits to avoid any damage. Please double check your Modem Firmware setting in Settings->General->About.

      That's why it matters.
    1. bballcat03's Avatar
      bballcat03 -
      I can send texts

      But the second I try and make a phone call, I lose everything!!!!

      GRRRR
    1. MOEPLO's Avatar
      MOEPLO -
      Yes 3gs off

      Quote Originally Posted by bballcat03 View Post
      i can send texts

      but the second i try and make a phone call, i lose everything!!!!

      Grrrr
      yup yup yuppp.. Lol i guess we gotta survive with incoming calls only
    1. melo107's Avatar
      melo107 -
      i get a bar with nothing on it
      for like 3 to 4 mins...
      then no service smh what am i suppose to do
    1. bballcat03's Avatar
      bballcat03 -
      Quote Originally Posted by MOEPLO View Post
      Yes 3gs off


      yup yup yuppp.. Lol i guess we gotta survive with incoming calls only
      yeah I can receive calls no problem, just when I dial and hit "call" = EPIC FAIL lol
    1. carlos.michell's Avatar
      carlos.michell -
      Hello, I was wondering will there be any possibilities in the future of being able to use t-mobile 3g on the 3g iphone? Maybe a program can be made that will allow us to do it? So far i look all over the web and i still haven't found that answer.
    1. jeffnjen's Avatar
      jeffnjen -
      same problem here
    1. ryan christopher's Avatar
      ryan christopher -
      Having the same issue, everything works but outgoing calls...hopefully a fix will come soon!

      Thank God for text messaging!!
    1. bballcat03's Avatar
      bballcat03 -
      Quote Originally Posted by carlos.michell View Post
      Hello, I was wondering will there be any possibilities in the future of being able to use t-mobile 3g on the 3g iphone? Maybe a program can be made that will allow us to do it? So far i look all over the web and i still haven't found that answer.
      page 6 man

      and search!

      The answer is no!
    1. jeffnjen's Avatar
      jeffnjen -
      back to the drawing board
    1. THE TECH's Avatar
      THE TECH -
      Quote Originally Posted by carlos.michell View Post
      Hello, I was wondering will there be any possibilities in the future of being able to use t-mobile 3g on the 3g iphone? Maybe a program can be made that will allow us to do it? So far i look all over the web and i still haven't found that answer.
      It has already been asked and answered a thousand times. No, it will not ever be able to work the the Tmobile 3G.
    1. bballcat03's Avatar
      bballcat03 -
      Quote Originally Posted by ryan christopher View Post
      Having the same issue, everything works but outgoing calls...hopefully a fix will come soon!

      Thank God for text messaging!!
      yeah no kidding.

      But yeah I can send and receive texts no problem. I can use the internet no problem.

      Just trying to make a phone call BOOO lol. Thank goodness I'm home on break still so if I need to make a call I have a land line
    1. upstateiphone's Avatar
      upstateiphone -
      Quote Originally Posted by melo107 View Post
      i get a bar with nothing on it
      for like 3 to 4 mins...
      then no service smh what am i suppose to do
      For me on Tmobile USA... After 2 min 30 off airplane on airplane bam Tmobile network. I have had to reboot for winterboard, tzones hack.... 3 times now works... Keep trying
    1. redheaddude's Avatar
      redheaddude -
      so far its not working for me,i woz on an 02 contract till i cancelled contract but have now got a tesco pre pay sim card.i understand it uses the 02 network but does the fone have to be activated before it accepts the tesco sim card?im not getting no signal and also have credit on sim card!
    1. MOEPLO's Avatar
      MOEPLO -
      And also if i have sservice and everything is fine (looks fine lol) and for some reason i have to reboot i lose service again. So even if i am able to make outgoing calls i am basically suppose to be walking around with a pin in my pocket??
    1. bballcat03's Avatar
      bballcat03 -
      Quote Originally Posted by upstateiphone View Post
      For me on Tmobile USA... After 2 min 30 off airplane on airplane bam Tmobile network. I have had to reboot for winterboard, tzones hack.... 3 times now works... Keep trying
      can you make a phone call?