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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. srbrian5's Avatar
      srbrian5 -
      When I first Installed it was droping calls every 30 second. When I get home I take my sim out and put it back, reset network setting and start working with my ATT sim. I go back to work try a T-Mobile sim from a coworker. In the beging I was getting invalid sim, no network name, 1 bar. I remenber that I have to turn off 3G, so I did it and reset network setting and when it come back on boom first full bar then E for Edge then T-Mobile carrier. Try to call my wife, talk to here about 4 min no problem, tell her to call me back, we talk like 4 more min no problem. Call here back like 4 more min with no problem. Couldn't try Edge cause coworker don't have the service but text msg work fine as well.
    1. imagineThiss's Avatar
      imagineThiss -
      now now... lets it keep it cool...
    1. srbrian5's Avatar
      srbrian5 -
      Quote Originally Posted by Poseidon79 View Post
      But can you make outgoing calls without a signal crash?...
      When I first Installed it was droping calls every 30 second. When I get home I take my sim out and put it back, reset network setting and start working with my ATT sim. I go back to work try a T-Mobile sim from a coworker. In the beging I was getting invalid sim, no network name, 1 bar. I remenber that I have to turn off 3G, so I did it and reset network setting and when it come back on boom first full bar then E for Edge then T-Mobile carrier. Try to call my wife, talk to here about 4 min no problem, tell her to call me back, we talk like 4 more min no problem. Call here back like 4 more min with no problem. Couldn't try Edge cause coworker don't have the service but text msg work fine as well.
    1. beodom's Avatar
      beodom -
      I did everything right and when coming out of airplane mode i get invalid sim. tampa fl
    1. willgfranc's Avatar
      willgfranc -
      Yes, I consider myself fortunate that my business phone is once again connected to my Exchange server.

      Again, I don't know what I did different from others to make mine work and although I am skeptical, I am also hopeful.

      Thanks
    1. quakerroatmeal's Avatar
      quakerroatmeal -
      FINALLY! Got it to work.

      After reading comments on the dev-team blog. I installed MobileTerminal and did the following commands.

      1. Get terminal
      2. in terminal type yellowsn0w -r
      3. in terminal type yellowsn0w -q
      4. airplane mode on
      5. airplane mode off

      After this my bars popped up and showed my carrier. At first it dropped then I just re-airplane mode on and off and called from a diff phone to mines, worked! Called to a phone, worked! So far I'm at full 5bar and I can call/receive calls. Just tested text, receive/sending works.

      IPhone 3G 16gig Black
      T-Mobile USA
      Texas

      Thanks Dev-Team!
    1. carlos.michell's Avatar
      carlos.michell -
      Quote Originally Posted by DSMKilla View Post
      Uhhh no I think the DEV TEAM are the ones who got PWNED this time



      hahaha true that
      Um i would have to disagree with that. Dev team has spank apple to many times now. Also unlike everyone else in here i feel one day somebody will find the solution to are 3g issue for tmobile.
    1. bballcat03's Avatar
      bballcat03 -
      Quote Originally Posted by quakerroatmeal View Post
      FINALLY! Got it to work.

      After reading comments on the dev-team blog. I installed MobileTerminal and did the following commands.

      1. Get terminal
      2. in terminal type yellowsn0w -r
      3. in terminal type yellowsn0w -q
      4. airplane mode on
      5. airplane mode off

      After this my bars popped up and showed my carrier. At first it dropped then I just re-airplane mode on and off and called from a diff phone to mines, worked! Called to a phone, worked! So far I'm at full 5bar and I can call/receive calls. Just tested text, receive/sending works.

      IPhone 3G 16gig Black
      T-Mobile USA
      Texas

      Thanks Dev-Team!
      you did steps 2 and 3 with yellowsn0w installed already, or is that how you installed yellowsn0w?
    1. upstateiphone's Avatar
      upstateiphone -
      Tmobile USA works fine. Been fine since 13:00 EST. Longest call to date outgoing for 1 hour 10 min local call. No issues to report. Itunes, Tzones, Mail everything working fine. This person saying must be lucky could be but on the dev blog I see many others have had no issues with tmobile usa...

      THX DEV TEAM
    1. Gorka's Avatar
      Gorka -
      I have gone through all the steps indicated but still nothing i have a Fiji Vodafone Sim. Any help would be appreciated
    1. quakerroatmeal's Avatar
      quakerroatmeal -
      Quote Originally Posted by bballcat03 View Post
      you did steps 2 and 3 with yellowsn0w installed already, or is that how you installed yellowsn0w?
      I did all those steps with yellowsn0w already installed.
    1. bballcat03's Avatar
      bballcat03 -
      Quote Originally Posted by upstateiphone View Post
      Tmobile USA works fine. Been fine since 13:00 EST. Longest call to date outgoing for 1 hour 10 min local call. No issues to report. Itunes, Tzones, Mail everything working fine. This person saying must be lucky could be but on the dev blog I see many others have had no issues with tmobile usa...

      THX DEV TEAM
      what steps did you do?
    1. scking3000's Avatar
      scking3000 -
      tsk tsk some of you guys are just downright ungrateful.... lots of complaints but just how many helped with the work??


      my phone is working all except outgoing calls incoming are stable text edge wifi emails i can even turn the phone on and off and get cocky... ive done it and messed it up twice.... i reinstalled and reinstalled..then it just started working. i made a cal it failed then it wen away immediately. redid it at home on my own wifi and it came right on like instantly... but im dumb so i rejailbroke and nothing for 15 minutes just of frustration and now its working just cant make calls but can receive... and honestly im lovin it..its better then nothing and alot better than bricked phone..

      the beta was a succes in my eyes just has one problem from what i see... im typing this on my tmobile chicago 3g

      I WOULD STRONGLY SAY THE NEXT TO COMPLAIN BE BANNED FOREVER I MEAN REALLY WHO DID NOT READ BETA!!!!!!!!!!!!!



      DEV TEAM YOU ARE WELCOME AT MY HOUSE ANYTIME!
    1. bballcat03's Avatar
      bballcat03 -
      Quote Originally Posted by quakerroatmeal View Post
      I did all those steps with yellowsn0w already installed.
      allright I'll give that a go...

      did you get T Mo up and running first and then do terminal, or did you go into terminal without any service?
    1. quakerroatmeal's Avatar
      quakerroatmeal -
      I didn't have no service. I tried that, and then all a sudden I started getting bars/service t-mobile sign started coming up.
    1. xjuliephanx's Avatar
      xjuliephanx -
      Quote Originally Posted by poullos View Post
      after hours playing around with different tips I finally made it work:

      -restart from SBsettings
      -*unlock screen appears* (with normal shut down and start this doesn't happen)
      -wait for 1-2 minutes before unlocking screen
      -enable airplane mode for 10 seconds
      -disable airplane mode
      -searching and then carrier appears

      Note: if you restart normally you should start all over the steps above

      I tried commands via terminal, yellowsn0w from installer instead of cydia, etc and nothing worked. The only thing I changed from the dev guide was to install SBsettings from cydia and use that to reboot.

      Hopefully this helps those still experiencing problems..
      I can confirm this works. I locked my phone again trying to figure out why I couldn't make outgoing calls on the software unlock and allowing it to sit on the lock screen for a few minutes brings "NO SERVICE". I didn't go in/out airplane mode. Once it was no service, I simply popped out/in my sim and was back in business again. I was using a similar method the first time I unlocked. I used bossprefs to reboot instead of doing it manually but it didn't bring me to the longscreen.
    1. srbrian5's Avatar
      srbrian5 -
      Quote Originally Posted by beodom View Post
      I did everything right and when coming out of airplane mode i get invalid sim. tampa fl
      Turn off the 3G Network and Reset Network Setting it should work.
    1. Empyrials's Avatar
      Empyrials -
      Quote Originally Posted by bballcat03 View Post
      so you can apparently make calls huh?

      Anyone notice that so far, those that can "make calls in the US on TMO" all have under 5 posts? I haven't seen one that looks legit yet.

      haha you think i'm making **** up huh? lol believe me or not it's true. maybe i can make a vid but that's way too much work lol
    1. bballcat03's Avatar
      bballcat03 -
      no just saying, its hard to believe right now cause it is a BETA version and all.

      If you say its so, I'll believe ya until you give me a reason not to

      QUAKER- ok I'll give it a go. How many times did it take you?
    1. thabrews1986's Avatar
      thabrews1986 -
      ok everyone I think I figured out the problem. I have a new sim card and when I go to send calls it does not work drops bars. Plus the airplane mode thing never worked once with the new sim. I inserted my mothers old sim rebooted in boss did the airplane trick and it worked perfect was able to make calls. I think if you have a new sim your out of luck. My conclusion so far