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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. Mes's Avatar
      Mes -
      Quote Originally Posted by tattoojack View Post
      ...however it always lets me know i have a voicemail when i put in the sim????weird
      A known problem with iPhone, T-Mobile, and older SIMs (even with no voicemails). Always happens after reboot with my old SIM. With the newer SIM, no voicemail problems --- but issues with yellowsn0w. Hmmm. Which one to choose (haha)
    1. coppernights's Avatar
      coppernights -
      i have at&t. i restored this morning and unlocked with yellowsn0w and i'm up and running with my friends tmobile sim card and working flawlessly with my at&t sim.

      dev team for president!
    1. Ad1tya's Avatar
      Ad1tya -
      Quote Originally Posted by DSMKilla View Post
      Here are the command line switches that I was talking about...

      Hey,

      Could you just gimme a small tut on how to get Yellowsn0w from Putty.
    1. bballcat03's Avatar
      bballcat03 -
      Well with my old SIM, it just says "no service" after all the steps.

      So I guess I have to wait till tomorrow to call T MO and get that turned back on.

      So I can't make a phone call till then. Eh, could be worse.
    1. hashmat's Avatar
      hashmat -
      i did and i got my tmobile carrier pop up and the problem is that i cannot go to inside and it says different sim detected connect to the itunes.

      can anyone knows this problem let me know thanks
    1. Kid Chableezee's Avatar
      Kid Chableezee -
      Hello,
      I was getting ready to install yellowsn0w by upgrading to 2.2 using Pwnage tool. Everything went smooth, I am on 2.2 but I am getting a Modem Firmware of 01.48.02

      Shouldn't that of changed to 02.28?

      If I missed a step, a link would be great or any advice

      THANKS AGAIN TO DEV-TEAM
    1. tattoojack's Avatar
      tattoojack -
      Quote Originally Posted by Mes View Post
      A known problem with iPhone, T-Mobile, and older SIMs (even with no voicemails). Always happens after reboot with my old SIM. With the newer SIM, no voicemail problems --- but issues with yellowsn0w. Hmmm. Which one to choose (haha)
      thats whats weird
      i had voicemails before i upgraded to 2.2 (so stupid)
      and now it is showin i have VM but obviously wont call it.
    1. thabrews1986's Avatar
      thabrews1986 -
      I have t mobile 2.2 firmware unlocked modem firmware is 02.28.00 I installed yellowsn0w rebooted a bunch of times took the sim card in and out a bunch of times I turned of the 3g and roaming network tried air plane mode a dozen times still doesnt work. what am I doing wrong. It doesnt even have an icon the yellowsn0w maybe I installed it wrong it did say install complete
    1. paultart's Avatar
      paultart -
      Restore to 2.2 is required, you have upgraded to 2.2.

      Try again.
    1. tattoojack's Avatar
      tattoojack -
      Quote Originally Posted by Kid Chableezee View Post
      Hello,
      I was getting ready to install yellowsn0w by upgrading to 2.2 using Pwnage tool. Everything went smooth, I am on 2.2 but I am getting a Modem Firmware of 01.48.02

      Shouldn't that of changed to 02.28?

      If I missed a step, a link would be great or any advice

      THANKS AGAIN TO DEV-TEAM
      you have to restore to 2.2 in itunes first
      then use quikpwn NOT pwnage
    1. bballcat03's Avatar
      bballcat03 -
      yes it should have changed to 2.28

      Did you use QWCKPWN or what to get to 2.2?
    1. hamza2588's Avatar
      hamza2588 -
      kid_chableezee
      to get the firmware 2.28 you need to do a RESTORE VIA ITUNES
    1. bballcat03's Avatar
      bballcat03 -
      Quote Originally Posted by tattoojack View Post
      hmmm maybe i shoulda hit expert mode?

      dont remember seein it

      it just kinda started and went right thru it
      You shouldn't need expert mode. I wasn't in expert mode and it gave me all the options of what to add and what not to
    1. Caleb_Soccer_Star's Avatar
      Caleb_Soccer_Star -
      Quote Originally Posted by coppernights View Post
      i have at&t. i restored this morning and unlocked with yellowsn0w and i'm up and running with my friends tmobile sim card and working flawlessly with my at&t sim.

      dev team for president!

      I tried it i have at&t and i lose signal after i have it for 2 seconds, and just keep losing it.
      Please Help.
      Howd you do it?
    1. sikdaz's Avatar
      sikdaz -
      works like a charm thanks
    1. Kid Chableezee's Avatar
      Kid Chableezee -
      I guess I thought that would brick the phone, but I'm pretty new at this, so I think I should do a bit of reading... any links would be great.
    1. bballcat03's Avatar
      bballcat03 -
      SOME NEWS-

      iTunes does recognize my phone now and I am able to SYNC it. Don't know if anyone had tried that or not yet.
    1. Scottee1985's Avatar
      Scottee1985 -
      Well I have tried every possible way of doing this on this site and the dev team blog for over 3 hours and I still cant get it to work with my vodafone uk sim.

      I think my best option is to wait until my local phoneshop is able to do the unlock.

      (Edit) Finally got it working just by chance, think it may have something to do with the update, everything working 3g, calls incoming, outgoing sms. woop.
    1. thabrews1986's Avatar
      thabrews1986 -
      again can someone please help me what am I doing wrong. I have all the correct firmware and 3g is off I installed yellowsn0w and rebooted and took my sim in and out a bunch of times and I got nothing not even for a second. Please help
    1. bballcat03's Avatar
      bballcat03 -
      Quote Originally Posted by thabrews1986 View Post
      again can someone please help me what am I doing wrong. I have all the correct firmware and 3g is off I installed yellowsn0w and rebooted and took my sim in and out a bunch of times and I got nothing not even for a second. Please help
      after putting the SIM back in, did you go into settings and switch Airplane Mode on....leave it on for 10 seconds and switch it off?