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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. MetallicaFan1991's Avatar
      MetallicaFan1991 -
      OMG!! Why are people asking the same question over and over again.
      I just saw some guy had posted a question on the first page thats been answered and then they've posted the same question again on the last page or so!
    1. sunsun's Avatar
      sunsun -
      Tried that all metode thanks but it still doesn`t work. Tring with Tele 2 and Telenor sim from Norway.
    1. minawagdi's Avatar
      minawagdi -
      Quote Originally Posted by DSMKilla View Post
      Oh I was running yellowsn0w from the command line and gave me an error telling me that I was using 2.11.07 baseband so apparently it doesn't do that when you install thru cydia



      Yeah sorry to hear that man. This unlock was DEFINITELY NOT READY for public release.
      so i cant return to the old base band
      i need to use my fone
      i dont have another mobile fone rigt nowwww
      help meeee
    1. thabrews1986's Avatar
      thabrews1986 -
      Got the t-mobile up top with bars but cant recieve or make calls whats the next step if theres a solution please help
    1. bballcat03's Avatar
      bballcat03 -
      Quote Originally Posted by minawagdi View Post
      so i cant return to the old base band
      i need to use my fone
      i dont have another mobile fone rigt nowwww
      help meeee
      no you cannot downgrade your baseband
    1. djdom111's Avatar
      djdom111 -
      What I really don't understand is, on the video dev-team didn't have any problem with t-mobile usa... After couple hrs of trying all settings, the best what I've got was: full bars, edge, but when I tried to call somebody, no bars at all... Do we have different yellosn0w version?
    1. punkstar31's Avatar
      punkstar31 -
      I was following these steps:
      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 got to step 6, and the phone started working, so I didn't do steps 7, 8, and 9.

      I tested incoming and outgoing calls and sms, everything working fine.

      I'm on Telcel (Mexico) using an AT&T phone.
    1. onionxiong's Avatar
      onionxiong -
      hey, I'm having a problem making outgoing calls after I unlock it. The key pad would just freeze up. I could still recieve incoming and everything else just not out going calls. Plz help.
    1. MetallicaFan1991's Avatar
      MetallicaFan1991 -
      Quote Originally Posted by hashmat View Post
      i install yellowsn0w and i used quickpwn and after i used the steps i got my t-mobile carrrier pop pops but i still can't go inside and its says differetn sim detected and connect to itunes
      I have had that error on my first gen, I think you need to change the Lockdown folder by SSH(winscp).
      http://www.modmyi.com/forums/unlocki...k-2-0-2-a.html
      When you replace the files make sure the iPhone isn't connected to your computer as this causes problems, did for me anyway. I've done this on 2G and not 3G.
    1. imagineThiss's Avatar
      imagineThiss -
      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!

      ok so your not having any problems at all..... ??
    1. bballcat03's Avatar
      bballcat03 -
      Quote Originally Posted by djdom111 View Post
      What I really don't understand is, on the video dev-team didn't have any problem with t-mobile usa... After couple hrs of trying all settings, the best what I've got was: full bars, edge, but when I tried to call somebody, no bars at all... Do we have different yellosn0w version?
      we don't know what the deal is quite yet. We are waiting for word from DEV TEAM or even someone else who can tell us what's going on.

      Someone posted that old SIM cards work as opposed to the new ones.
    1. name00's Avatar
      name00 -
      Quote Originally Posted by lasteve View Post
      Im I the only one or is anybody else on AT&T repeatedly losing connection?
      I did the yellowsn0w install from cydia and everything went fine. I unlocked it like 1hour and half ago and in that time ive lost connection about 50 times.
      Im on AT&T too, man. connection always GOOD. full bar. pretty happy
      try to reboot. install yellow again. turn 3G off. insert tmobile simcard, wait a little bit.
      worked like a charm on my iphone.i did twice tho
      hope it help
    1. Caleb_Soccer_Star's Avatar
      Caleb_Soccer_Star -
      Quote Originally Posted by name00 View Post
      Im on AT&T too, man. connection always GOOD. full bar. pretty happy
      try to reboot. install yellow again. turn 3G off. insert tmobile simcard, wait a little bit.
      worked like a charm on my iphone.i did twice tho
      hope it help
      So you arent losing signal, and arent bouncing from full to no signal at all?
    1. thabrews1986's Avatar
      thabrews1986 -
      ok is seems like a lot of us are having the same problem the carrier provider comes up with bars can recieve calls and texts and use the web but as soon as we try to make a call boom all bars drop. Any solutions so far to help the general crowd on this problem. I am glad im almost up to date with everyone else
    1. dude_super's Avatar
      dude_super -
      I have had my iPhone 3G working with Orange UK and 3 UK the only thing I did different was not to wait when I took the sim card out and reinserted it after only about 10 secs, and then it worked for me where as it wouldnt before
    1. bballcat03's Avatar
      bballcat03 -
      Quote Originally Posted by thabrews1986 View Post
      ok is seems like a lot of us are having the same problem the carrier provider comes up with bars can recieve calls and texts and use the web but as soon as we try to make a call boom all bars drop. Any solutions so far to help the general crowd on this problem. I am glad im almost up to date with everyone else
      if you read you'd know the answer already

      Musclenerd said that older SIM cards seem to be working and are able to make calls.

      Other than that there is nothing

      As for the guy who said he got to step 6 and he got T Mo and bars and was able to make a call....smells fishy, I got it to and still wasn't able to make calls.
    1. lordz's Avatar
      lordz -
      Finally worked for me.

      Did everything as per instructions.

      Had trouble with losing signal when making call but used the method of rebooting with 'boss pref' (lovely tool too)and airplane mode,how it worked finally was i seen it say 'no signal' instead of showing those no signal bars then i messed with airplane mode all of a sudden works.

      Sorry i cant be very clear on every step.

      text,in/out going calls 100%

      even 3G !!

      thanks dev happy new year

      Give it time all good things come to those who wait.
    1. Empyrials's Avatar
      Empyrials -
      Quote Originally Posted by Ad1tya View Post
      Hmm.. While trying to run Yellowsn0w from the Terminal. I keep getting the error "open: Resource busy"



      Only the Reset option works for me.

      I cant even run the -c



      Any idea why?

      I tried that also and got the same results, not sure if that means anything or not yet...

      I've read everything and all i get is Dots. After i go from airplane Mode is says Searching for a split second and goes to Dots tried reinstalling yellowsn0w but that doesn't help, i got nothing

      I'm starting all over to see if maybe something just messed up
    1. Ad1tya's Avatar
      Ad1tya -
      I tried running it from MobileTerminal on the iPhone itself, instead of through putty, and I didnt get the error anymore.

      Although, the Unlock didnt work.

      Tried all 4 commands, just yellowsn0w, yellowsn0w -q and yellowsn0w -s and yellowsn0w -a.
      Eventually just did a yellowsn0w -r and put my Vodafone SIM back in.

      For now, yellowsn0w -fail..
    1. Caleb_Soccer_Star's Avatar
      Caleb_Soccer_Star -
      I got it to work for me, then again im on AT&T.
      i havent switched sims yet but i made a call on my AT&T Sim, idk if that means anything but yeah.