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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. bballcat03's Avatar
      bballcat03 -
      Quote Originally Posted by plumber4549 View Post
      T-Mobile USA here a step to get your to Work
      1. Install yellowsn0w thru cydia, keep your T-Mobile Sim in the iphone
      2. Reset Network Setting "Most important" 99% success rate will depend on this
      3. Reboot your inphone
      4. Wait a little over a min.
      5. Remove your sim card and re-insert it back in
      6. Wait 30 sec.
      7. Turn on Airplane mode and wait 10 sec. "This is important as well"
      8. Turn of Airplane mode, you should see "searching" start smiling T-Mobile carrier will start appearing.
      9. Start make call!
      I didn't do step #2 when I did mine.

      I am going to go do it now. Will report back in 10 minutes or so when I know for sure if this works AND I can make a call.
    1. Ad1tya's Avatar
      Ad1tya -
      ^^ Trying the same now on Airtel India.
    1. upstateiphone's Avatar
      upstateiphone -
      Just now 6:22 cell to home 5 bars whole time. I would agree maybe it's buggy. Maybe it depends on location? Think about all the folks trying the same thing right now over the tmobile network? Just a thought... But I'm having no issues.
    1. ryan christopher's Avatar
      ryan christopher -
      Quote Originally Posted by bballcat03 View Post
      I didn't do step #2 when I did mine.

      I am going to go do it now. Will report back in 10 minutes or so when I know for sure if this works AND I can make a call.
      Yes please let us know thanks!
    1. indiscretion's Avatar
      indiscretion -
      anybody had any problems getting their applications on the phone? iTunes keeps saying the apps cant be verified

      EDIT: nevermind..had to do the cracked tutorial for the apps
    1. MOEPLO's Avatar
      MOEPLO -
      Quote Originally Posted by bballcat03 View Post
      i didn't do step #2 when i did mine.

      I am going to go do it now. Will report back in 10 minutes or so when i know for sure if this works and i can make a call.
      yeah bball me and u on the same exact page lol unfortunately, i tried the dudes steps and they didnt work. Same results so i guess we'll be waiting for a fix with just sms and incoming
    1. Ad1tya's Avatar
      Ad1tya -
      Quote Originally Posted by plumber4549 View Post
      T-Mobile USA here a step to get your to Work
      1. Install yellowsn0w thru cydia, keep your T-Mobile Sim in the iphone
      2. Reset Network Setting "Most important" 99% success rate will depend on this
      3. Reboot your inphone
      4. Wait a little over a min.
      5. Remove your sim card and re-insert it back in
      6. Wait 30 sec.
      7. Turn on Airplane mode and wait 10 sec. "This is important as well"
      8. Turn of Airplane mode, you should see "searching" start smiling T-Mobile carrier will start appearing.
      9. Start make call!


      .. Didnt work.

      I keep getting Invalid SIM after I turn Airplane Mode on and off after 10 seconds....
    1. hackman77's Avatar
      hackman77 -
      helo, i have a iphone 3g from at&t an have it without contract, is in negative band, how can i unlock it?
      thanks
    1. Caleb_Soccer_Star's Avatar
      Caleb_Soccer_Star -
      Wow, all the hype of this being so great, then all the fails.
      The Dev Team will make a fix, its just a matter of when.
      Hopefully soon.

      Happy New Years to you all!
    1. alirz's Avatar
      alirz -
      ok finally i give up. its not working for me.
      im in canada. iphone with Fido contract.
      i run yellow snow, reboot, put Rogers sim in it and phone right away goes to slide for emergency .
      i dont get access to the phone until i pull that sim out.
      tried many things. still no GO.
      i'll wait until this has been fixed.For sure this unlock procedure did not go as smooth as for the 2G iphone.. or even as smooth as th dev team demoed it in the QIK video.
    1. bballcat03's Avatar
      bballcat03 -
      Ok I have ejected my sim card...now gonna wait.
      Now putting SIM card back in
      Switching Airplane Mode on...waiting waiting waiting
      Switching Airplane Mode off

      CALL FAILED

      Doesn't work!!!!
    1. imagineThiss's Avatar
      imagineThiss -
      so who where has an actual success for tmobile usa... like zero problems...
    1. sierra.marty's Avatar
      sierra.marty -
      I see a lot of ppl are having trouble so i will repeat what i did step by step and hopefully it will work for you.

      Before the update I was running 2.1 fw
      So...

      1. I updated my fw through itunes
      2. Used Quickpwn to jailbreak
      3. Reset Network Settings (Settings-General-Reset-Reset Network)
      4. Downloaded yellowsn0w via wifi (after i added the source of course)
      5. rebooted (my tmobile sim has been in the WHOLE time w/o turbosim)
      6. ejected sim for 2 min
      7. inserted sim and I had full bars
      8. changed cellular data settings for tmobile internet

      Now i will say that it did not happen for me the first time. So if its not working fo you dont get too discouraged, just keep trying!
    1. upstateiphone's Avatar
      upstateiphone -
      Quote Originally Posted by alirz View Post
      ok finally i give up. its not working for me.
      im in canada. iphone with Fido contract.
      i run yellow snow, reboot, put Rogers sim in it and phone right away goes to slide for emergency .
      i dont get access to the phone until i pull that sim out.
      tried many things. still no GO.
      i'll wait until this has been fixed.For sure this unlock procedure did not go as smooth as for the 2G iphone.. or even as smooth as th dev team demoed it in the QIK video.
      Did you quickpwn 2.2?
    1. jeffnjen's Avatar
      jeffnjen -
      i was so excited at first when i saw the tmobile....same problems as everyone else, plumbers fix didnt work..t mobile sim back in 2g iphone working great on 2.2 hahaha
      give devteam time it will be ok....
    1. bballcat03's Avatar
      bballcat03 -
      Quote Originally Posted by sierra.marty View Post
      I see a lot of ppl are having trouble so i will repeat what i did step by step and hopefully it will work for you.

      Before the update I was running 2.1 fw
      So...

      1. I updated my fw through itunes
      2. Used Quickpwn to jailbreak
      3. Reset Network Settings (Settings-General-Reset-Reset Network)
      4. Downloaded yellowsn0w via wifi (after i added the source of course)
      5. rebooted (my tmobile sim has been in the WHOLE time w/o turbosim)
      6. ejected sim for 2 min
      7. inserted sim and I had full bars
      8. changed cellular data settings for tmobile internet

      Now i will say that it did not happen for me the first time. So if its not working fo you dont get too discouraged, just keep trying!
      we all have full bars, and I used the same method you did...we just can't make a phone call. We can surf the net, SMS, receive calls...just can't make em.
    1. BarcaMagic's Avatar
      BarcaMagic -
      I dont get this. Mine works just fine.receiving calls , making calls , app store , tmobile edge works .And holds 5 bars at all time , much better that my 2g .
    1. upstateiphone's Avatar
      upstateiphone -
      Quote Originally Posted by BarcaMagic View Post
      I dont get this. Mine works just fine.receiving calls , making calls , app store , tmobile edge works .And holds 5 bars at all time , much better that my 2g .
      Me the same....

      I'm curious what models are problematic? 8G 16G etc...
    1. law111's Avatar
      law111 -
      Alright idk what wrong but its not working with my phone, well i have a iPhone 3G 16G and i cant get it into DFU mode.. there is and error (2001) or something but i do have the custom firmware made i just cant get it to restore, help? i think it might be because of my Mac OSX version? 10.5.6 is what i have, can i get it to work? i have the new baseband 2.28.00

      Edit: ok got it to get into recovery mode, but now when i try to restore it to the custom firmware i get and error (21) saying it could not restore the iPhone, can anyone help me out here? i'm about to give up, this is annoying. gahh..
    1. iainmann's Avatar
      iainmann -
      I'm on Voda UK. I quickpwned...installed latest yellowsn0w...and rebooted. Now, I get searching and no service after reboot...but removing and reinserting SIM always brings up a signal. The signal strength bars fluctuate but no problems calling and all seems OK. But I have to take out the SIM and put it back in after every reboot.