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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. Ryanshadow's Avatar
      Ryanshadow -
      the sim was in when i jailbroke it i tried turning 3g of and reset network settings but no go.
    1. eazycash's Avatar
      eazycash -
      guys im having a little trouble..my internet wont work on ,my unlocked 16gb iphone i can make and recieve calls and text messages but when i try to go online it says "COULD NOT ACTIVATE CELLAR DATA NETWORK" WAT DO I DO? I NEED MY INTERNET =/ IVE GOT TMOBILE BY DA WAY IF DAS ANY HELP
    1. confucious's Avatar
      confucious -
      Have you filled in your APN/Username/password?
      What country are you in? It works on 3G on T-Mobile in every country except the USA.
    1. angela78's Avatar
      angela78 -
      Hi. I live in China, just got to the US, jailbroke the phone using quickpwn then got yellowsn0w installed, then did lots of reboots and lots of taking the card in and out, and NOTHING. It keeps saying "No SIM." Now this is a China SIM card; I will try a US card ASAP just in case this is the problem. The thing that worries me is that I had this phone worked on, because the SIM drawer would not go in all the way, due to some obstruction. They opened it to fix it. So I am worried it might be a hardware problem caused by dumb people. Anyone heard of this "No SIM" thing?
    1. Bashjune1983's Avatar
      Bashjune1983 -
      I got a quick question.
      What's the difference between an unlocked iPhone through Jailbreak (because this unlocks it as well right?)
      and an unlocked iPhone through Yellowsn0w?

      Thanks in advance,

      Bash
    1. ajl917's Avatar
      ajl917 -
      Quote Originally Posted by Bashjune1983 View Post
      I got a quick question.
      What's the difference between an unlocked iPhone through Jailbreak (because this unlocks it as well right?)
      and an unlocked iPhone through Yellowsn0w?

      Thanks in advance,

      Bash
      Jailbreaking is opening up the file system. Ex. Having Cydia to install Cycorder or any app of your choice.

      Unlocking is making your iPhone work on any GSM network.

      To unlock 2.x, you need to JAILBREAK your iPhone first with either QuickPwn (Windows) or Pwnage (Mac) and THEN using Cydia, download and install yellowsn0w.

      Look for a guide to do this in the coming day or two. I am finishing one up for you guys...
    1. Bashjune1983's Avatar
      Bashjune1983 -
      thanks for clearing that up.
      I'll wait for the guide!

      Bash
    1. djayyy's Avatar
      djayyy -
      Just to say thankyou to the Dev team. Bought a pay and go 16gb and Jailbroke and ulocked first time no problems. Thanks again.

      For people having issues i left the o2 pay and go sim in the iphone during jailbreak and unlock. Then once i powered the iphone off after installing yellowsn0w i then put in my voda sim. Hope this might help.
    1. juelzo9's Avatar
      juelzo9 -
      im not very computer savvy so when im filling out the package form what file or w/e do i put in the "screenshot 'and "package" fields???

      i dont have OS X so how do i jailbreak?
    1. Trinirspeed's Avatar
      Trinirspeed -
      Anyone know how good a 3G unlocked works with T-mobile?
    1. rud3bwoy's Avatar
      rud3bwoy -
      very good i got mines using tmobile with my sidekick data plan no issues at all.
    1. Kruejl's Avatar
      Kruejl -
      Quote Originally Posted by Trinirspeed View Post
      Anyone know how good a 3G unlocked works with T-mobile?
      Works flawlessly for me. Voice/Text are perfect. I don't have data on my plan so can't comment but I would assume it to be fine if I update my settings.
    1. ajl917's Avatar
      ajl917 -
      Hey guys, check the first post for the newly made tutorial on how to unlock your iPhone 3G. Be sure to read the instructions carefully and make sure you are on 2.2 firmware!
    1. Windmeel's Avatar
      Windmeel -
      What an awful post.
    1. confucious's Avatar
      confucious -
      Quote Originally Posted by Trinirspeed View Post
      Anyone know how good a 3G unlocked works with T-mobile?
      It does depend on what country you are in.

      Outside the USA it works great.

      In the USA it will work fine apart from 3G which, of course, will not work.
    1. Broomhead's Avatar
      Broomhead -
      post cleaned.
    1. rud3bwoy's Avatar
      rud3bwoy -
      Yellow sn0w update 0.9.7!
    1. confucious's Avatar
      confucious -
      Quote Originally Posted by rud3bwoy View Post
      Yellow sn0w update 0.9.7!
      No mention on the Dev team blog! But it's there on Cydia.
    1. Mes's Avatar
      Mes -
      Quote Originally Posted by rud3bwoy View Post
      Yellow sn0w update 0.9.7!
      Warning. DOES NOT UNLOCK 2.2.1 baseband 2.30.03!! Exclusive to 02.28.00 baseband (from 2.2).

      Note: Works fine on my 2.2 3G
    1. rud3bwoy's Avatar
      rud3bwoy -
      you must quick pwn or pwnage tool,so yea i have to wait for quickpwn!