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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. upstateiphone's Avatar
      upstateiphone -
      Quote Originally Posted by [email protected] View Post
      live in Detroit.... got tmobile... my sim is actually ver 39.1 last night on yellow snow0.9.4 i got everything to work.. but outgoing calls. then tried my moms sim and her version starts with 27. something something.. and it worked flawlessly.. this morning i updated to yellowsn0w to 0.9.5 and nothing is working.. when toggling airplane mode on and off it just searches for a sec.. so right now im doing the whole things over rejailbreaking and everything well see what happens...
      I know this sounds silly but I have proven this. In my house on the first floor where the laptop is its takes about 10 minutes to toggle airplane an finally connect. (I assume this must be a weak point however I have 4 bars after I connect in this area.)

      On my second floor I toggle and connect with in 5-10 seconds.
    1. jay510's Avatar
      jay510 -
      Confirmed, 0.9.5 fixed the outgoing calling issue with Tmobile USA California. Nice job Dev Team.
    1. imagineThiss's Avatar
      imagineThiss -
      Quote Originally Posted by upstateiphone View Post
      I know this sounds silly but I have proven this. In my house on the first floor where the laptop is its takes about 10 minutes to toggle airplane an finally connect. (I assume this must be a weak point however I have 4 bars after I connect in this area.)

      On my second floor I toggle and connect with in 5-10 seconds.
      Quote Originally Posted by jay510 View Post
      Confirmed, 0.9.5 fixed the outgoing calling issue with Tmobile USA California. Nice job Dev Team.
      what version sim do you guys have... and where do you live ??
    1. massimuzzo's Avatar
      massimuzzo -
      great job with 09.5 everything works great
    1. imagineThiss's Avatar
      imagineThiss -
      Quote Originally Posted by massimuzzo View Post
      great job with 09.5 everything works great
      okay what are you guys doing exactly common help a brother out lol.. live did u install via cyida... was there anything weird you did.. are your sims 39.1 or older than that.... ?? thanx guy any info would be appreciated....
    1. hondapro210's Avatar
      hondapro210 -
      Is anybody getting a tone with they insert there sim or turning off and on plane mode.. i dont anymore
    1. imagineThiss's Avatar
      imagineThiss -
      Quote Originally Posted by hondapro210 View Post
      Is anybody getting a tone with they insert there sim or turning off and on plane mode.. i dont anymore
      i never did
    1. hondapro210's Avatar
      hondapro210 -
      still get the searching for a spilt sec and i have had plane mode off for more than 10 min still nothing..
    1. imagineThiss's Avatar
      imagineThiss -
      does some one have installer installed... if you do plz can you check for me what version yellowsn0w is i heard its still on 0.9.4..

      Quote Originally Posted by hondapro210 View Post
      still get the searching for a spilt sec and i have had plane mode off for more than 10 min still nothing..
      me to man ... me to....
    1. niacafis's Avatar
      niacafis -
      Sweet T-Mobile US in houston working great EVERYTHING is working with the new 0.9.5 on sim car 39.01a. DEV TEAM IS THE ****
    1. hondapro210's Avatar
      hondapro210 -
      since 9.4 came out i have not been able to connect to tmobile

      how do u know what sim u have (going side ways mine says ocs 2.4) is that the older one
    1. i pimping's Avatar
      i pimping -
      working fine here even after reboot
    1. imagineThiss's Avatar
      imagineThiss -
      Quote Originally Posted by niacafis View Post
      Sweet T-Mobile US in houston working great EVERYTHING is working with the new 0.9.5 on sim car 39.01a. DEV TEAM IS THE ****
      hey man what did you do exacltyyyyy ??
    1. niacafis's Avatar
      niacafis -
      i had already updated the firmware and installed 0.9.4 so this is what i did this morning. if you cant get 0.9.4 to work just uninstall then reinstall and do steps 2-5, thats how i got 0.9.4 to work but couldnt make calls.

      1)upgraded to 0.9.5 via Cydia
      2)reset network settings
      3)reboot phone with sbsettings
      4)wait till phone says "no service"
      5)switch to airplane for a few seconds switch back and bam called my voicemail

      im so ******* happy i can make calls now
    1. hondapro210's Avatar
      hondapro210 -
      Quote Originally Posted by niacafis View Post
      Sweet T-Mobile US in houston working great EVERYTHING is working with the new 0.9.5 on sim car 39.01a. DEV TEAM IS THE ****
      Im in san antonio can u tell me what u did step by step!!! please i getting ready to sell this sh-t..j/k
    1. canadoc's Avatar
      canadoc -
      Well I am in Canada with a Rogers locked phone. Have a Prepaid T-mobile Sim 39.01a model.
      With .91 it didn't work
      with .94 the sim was recognized and i could receive calls and make texts outgoing attempts would fail and bars would drop to nothing.

      .95 has done the trick. After a simple reboot and remembering to turn off 3g in settings. The phone works flawlessly. I made a call to my t-mobile voicemail from the phone and it worked great full 4-5 bars of signal too roaming on the rogers network..

      So first off THANKS DEV TEAM!!!! DESPITE SOME HITCHES AND GROWING PAINS WITHIN A COUPLE OF DAYS OF TARGET MORE THAN 95% OF PHONES CAN NOW BE UNLOCKED THANKS TO YOU!!!!!

      Now that said I do have a question:

      While I am on my home cellular network with my stock sim from my locked carrier, is there any detriment to having yellowsn0w running?
      Will it affect reception? cause bugs to my calls? diminish battery life?
      Should I uninstall it and only reinstall it before I need to use a SIM from another provider when I travel?
    1. marcoiac's Avatar
      marcoiac -
      Quote Originally Posted by canadoc View Post

      Now that said I do have a question:

      While I am on my home cellular network with my stock sim from my locked carrier, is there any detriment to having yellowsn0w running?
      Will it affect reception? cause bugs to my calls? diminish battery life?
      Should I uninstall it and only reinstall it before I need to use a SIM from another provider when I travel?
      I am not a Dev Team member, and I probably don't know what I am talking about, but my intuition is that you shouldn't uninstall just because is a waste of time. My understanding is that yellosn0w simply injects some code once in your system and unlocks it. It won't use up battery, it won't affect calls and reception, and you won't need to run it again if you want to use a different SIM card. Your machine is now SIMlock-free (or unlocked). You can swap SIMs any time you want (until the next firmware/baseband upgrade, of course, then it all starts all over again...)
    1. Mes's Avatar
      Mes -
      @canadoc. Good question. Doubt it has any noticable effect, but with the crapy battery life even saving a few CPU cycles could help.
    1. mradamnewman's Avatar
      mradamnewman -
      Did all mentioned! Worked but after reboot failed? Hours of messing with it nothing? Put turbo sim back in and it found service on it's own, which it never was able to do for the past few months. Every time I lost service I would need to take sim out call on old phone and then reinsert. Guess that's the best I will get for now?
      Ps old sim, 8gig , new Mexico, t-mobile.
      Going to enjoy my Saturday!
      Good luck!
    1. DSMKilla's Avatar
      DSMKilla -
      Quote Originally Posted by mradamnewman View Post
      Did all mentioned! Worked but after reboot failed? Hours of messing with it nothing? Put turbo sim back in and it found service on it's own, which it never was able to do for the past few months. Every time I lost service I would need to take sim out call on old phone and then reinsert. Guess that's the best I will get for now?
      Ps old sim, 8gig , new Mexico, t-mobile.
      Going to enjoy my Saturday!
      Good luck!
      Is this with the new 0.9.5 version?