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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. jmano0o's Avatar
      jmano0o -
      When i used to use a turbo sim, the edge network worked blazing fast on my iphone 3g on t-mobile, but now since yellow snow it seems to be working at a pretty snailish pace...

      anyone have any idea why??

      I have epc.tmobile.com entered into the APN
    1. rickyscivic's Avatar
      rickyscivic -
      I finally solved the problem!!!!!! Went down to at&t and got a brand new iphone wit a contract so yayyyy! My old 3g has a cracked screen so time 4 it to go.
    1. THE TECH's Avatar
      THE TECH -
      Quote Originally Posted by jmano0o View Post
      When i used to use a turbo sim, the edge network worked blazing fast on my iphone 3g on t-mobile, but now since yellow snow it seems to be working at a pretty snailish pace...

      anyone have any idea why??

      I have epc.tmobile.com entered into the APN
      You should call T-Mobile and ask which APN is best for your T-Mobile account. Some APNs won't work unless you have a certain plan. I know for a fact that the epc APN won't work correctly on the non-unlimited plan.
    1. Trinirspeed's Avatar
      Trinirspeed -
      I have a question for you all. Does the T-mobile internet work on it when it's unlocked?
    1. THE TECH's Avatar
      THE TECH -
      Quote Originally Posted by Trinirspeed View Post
      I have a question for you all. Does the T-mobile internet work on it when it's unlocked?
      Of course.
    1. dssdude's Avatar
      dssdude -
      Works perfect with other mexican GSM carriers like Movistar.

      Eating the yellowsn0w... aghh !
    1. Bill22124's Avatar
      Bill22124 -
      9.6 works perfectly. Dev-team. THANK YOU. WONDERFUL JOB.
    1. dummy157's Avatar
      dummy157 -
      O.K., I need the step by step into on how to unlock the 3g. I know SOMEONE will say, read the first post. I DID, and I still need help. I looked on the DEV TEAM BLOG and I can't find it. I have updated to fw 2.2 and used quickpwn 2.2, so its jailbroke. I have my tmoblie sim in, do I go to Cydia and get BossPrefs YellowsnOw and BossPrefs or is it the same thing? I don't know. PLEASE HELP!! Come on guys, someone must be able to help, I see lots of people who got it working online, help a brother out!!!

      I got it working! I guess it's better to try it yourself. If anyone needs help and you see me online, PLEASE ask, I WILL HELP!!!
    1. mianlien's Avatar
      mianlien -
      my iphone 3g 2.2 after install yellowsn0w it does not have the APN network how to find and install it back to epc.tmobile.com
      thanlk
    1. confucious's Avatar
      confucious -
      A few people have mentioned not having 'Cellular Data Network' on the Network tab at all - is that what you're getting?
      They all seem to be on T in the US.
      I have the settings there - but APN/Username/password are all blank - yet I have full 3G network on T-Mobile here in the UK - go figure!

      If you are not seeing it at all - did you yellowsn0w with your T SIM in? Did you turn off 3G and data roaming? If yes, did you turn off Edge and reboot?
    1. Todorovic69's Avatar
      Todorovic69 -
      I've just tried it with the MTN network in cyprus.
      with the 9.6 all i had to do was install and then reset network settings and it works. Outgoing call and everything!
      5 bars
      thanks dev team

      CYTA Mobile Vodaphone also works perfectly with yellowsn0w.
      thanks again devteam!
      great job
    1. Newbee123's Avatar
      Newbee123 -
      Thanks Devteam. Excellent job.
    1. bmxtreme's Avatar
      bmxtreme -
      I don't know if anyone is having issues with this but I find that my connection dropped every now and then and pretty frequently especially if you leave your phone idling for a long time (no in/out calls).
    1. confucious's Avatar
      confucious -
      Quote Originally Posted by bmxtreme View Post
      I don't know if anyone is having issues with this but I find that my connection dropped every now and then and pretty frequently especially if you leave your phone idling for a long time (no in/out calls).
      What Country/ network?
      No problems on T-Mobile here in the UK.
    1. nextgenius's Avatar
      nextgenius -
      have u guys tryed to restore everytime theres a problem
    1. confucious's Avatar
      confucious -
      If you tell us what problem we might be able to help....
    1. envy's Avatar
      envy -
      OK, its a great unlocking tool. One problem though...

      visual voicemail notification (in other words, the red dot on the phone app).

      I recieved a Voicemail, fine, listened to it, deleted it.. and have "no new messages on voicemail".

      However the red dot will just not disapeer, even after re-booting, ringing voicemail on numerous occasions, and still ... a red dot.

      Anyone else suffered from this? Its not a problem really, just annoying.
    1. confucious's Avatar
      confucious -
      People have had problems with 'official' carrier SIMs and Yellowsn0w - best advice seems to be to disable it (using the BigBoss toggle) when using an official SIM and only enable it when you want to use an alternative SIM.
    1. x2thaz64's Avatar
      x2thaz64 -
      quick question. when i set out to unlock my friends iPhone i put it in dfu mode but theres always an error. I normally have to use quickpwn to jailbreak it then i can restore with the custom firmware. is there something im doing wrong? All instructions dont say you need to jailbreak first with quickpwn.
    1. andcrashingsounds's Avatar
      andcrashingsounds -
      I had a question as well, I unlocked my own iphone 3G last week, and everything worked perfectly. incoming and outgoing calls worked with no problem. I recently purchased another iphone and unlocked it today, and it works fine, but for some reason.. when I receive a call and answer it.. I hear absolutely nothing.. no static no nothing. The people on the other end can hear me, but I can hear nothing. Does anyone know how I could fix this?