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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. nypunk's Avatar
      nypunk -
      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.
      I have a t-mobile sim to test it. I was actually asking for a guy @ my job that was asking me and I didn't have an answer for him thanks for the reply
    1. gbadude's Avatar
      gbadude -
      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.
      It's useful for those that are traveling abroad
    1. BarcaMagic's Avatar
      BarcaMagic -
      Quote Originally Posted by THE TECH View Post
      I tried typing this source several times and all I get is an error that it cannot find it.


      sn0w is spelled with 0(zero) not o , maybe that's where you messed up.
    1. Ad1tya's Avatar
      Ad1tya -
      Quote Originally Posted by amirica View Post
      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.
      Same exact issue for me.

      Airtel India. (Phone is locked to Vodafone)
    1. Poseidon79's Avatar
      Poseidon79 -
      Quote Originally Posted by gbadude View Post
      It's useful for those that are traveling abroad
      Generally you can use your AT&T or T-Mobile SIM card when traveling due to roaming agreements. This would only be helpful if you're going to purchase pre-paid service with a different provider while overseas. Good point though.
    1. melo107's Avatar
      melo107 -
      still nothing im happy they found a unlock but mad its not working for me
    1. upstateiphone's Avatar
      upstateiphone -
      YES YES YES!!!!! After 3 minutes searching I turned airplane mode off then back on BAM 5 bars!! I did reboot about 5 times as reported. Tzones is working no problem. So far reception is much better than my gevey!!!

      GOOD JOB DEV TEAM!! YOU NEVER LET US DOWN!!!!

      2.28.00 qwkpwn
      T-Mobile
      3G 16G White

      PS.... THE BAD NEWS!!!

      Last night my glass broke over the lcd.... Drunken Mess!! But since I'm tmobile any way I choose to void my warranty and order one from ebay!!
    1. sierra.marty's Avatar
      sierra.marty -
      no problem!
    1. MOEPLO's Avatar
      MOEPLO -
      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??
    1. hotshot21354's Avatar
      hotshot21354 -
      I am having the same problem with my original att sim with yellowsnow installed, my signal keeps dropping. But no problem with the t-mobile sim.
    1. Poseidon79's Avatar
      Poseidon79 -
      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??
      Are you using version 0.9.1? With SB settings or bossprefs turn on airplane mode and then back off and see if that works for ya.
    1. gbadude's Avatar
      gbadude -
      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??
      You were warned that this is still in beta stages.
    1. Caleb_Soccer_Star's Avatar
      Caleb_Soccer_Star -
      Quote Originally Posted by hotshot21354 View Post
      I am having the same problem with my original att sim with yellowsnow installed, the signal keeps dropping.
      Im having the same problem it keeps dropping it.
      I have it for 2 seconds then bam, dropped?
    1. Ad1tya's Avatar
      Ad1tya -
      For now, yellowsn0w is less stable than even turbosims. Lol. But I guess the DevTeam will get it perfect soon.
      Atleast I hope they do.

      I have to reboot 10 times before I get signal now.
      More often than not, I get the Invalid SIM error.
    1. bballcat03's Avatar
      bballcat03 -
      OK MODS OR ANYONE ELSE...HELP

      Everything goes off as planned...I get T Mobile to come up, edge, full bars, the works...the second I try and do something...BAM I'm back down to nothing and when I go into network it says "not available"

      any ideas as to this one?
    1. blazingangel1986's Avatar
      blazingangel1986 -
      lol nice lots of ppl should be happy about this
    1. upstateiphone's Avatar
      upstateiphone -
      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??


      I have had a 10 min call from NY - TX indoors/outdoor no problem. I actually see better reception than the Gevey proxy!

      Only thing I see is for reboot it still takes 2-3 minutes to load every time? I'm sure there will be another update knowing the dev team.
    1. J-7's Avatar
      J-7 -
      This doesn't void the warranty right? I mean, I can always go back to removing yellowsn0w and the phone will be locked again?
    1. MOEPLO's Avatar
      MOEPLO -
      Quote Originally Posted by poseidon79 View Post
      are you using version 0.9.1? With sb settings or bossprefs turn on airplane mode and then back off and see if that works for ya.
      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

      EDIT:INCOMING CALLS AND SMS WORK??? TRIED CALLING FROM MY OTHER PHONE AND SENT A TEXT FROM IPHONE AND WORKED FINE BUT OUTGOING CALS NO GOOD
    1. upstateiphone's Avatar
      upstateiphone -
      Quote Originally Posted by J-7 View Post
      This doesn't void the warranty right? I mean, I can always go back to removing yellowsn0w and the phone will be locked again?
      No this doesn't void the warranty. Fresh Apple iPhone firmware restore cleans everything.