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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. designgears's Avatar
      designgears -
      Quote Originally Posted by oct_86 View Post
      well i saw couple of comment from their websites. most of them wasn't working at all lol! at the moment it seems my yellowsn0w 9.5 is pretty stable at the moment so i should wait for a newer version. not the beta version though
      YES UPGRADE 0.9.6 is sooo much nicer then 0.9.5!!
    1. Xenthor's Avatar
      Xenthor -
      Quote Originally Posted by designgears View Post
      YES UPGRADE 0.9.6 is sooo much nicer then 0.9.5!!
      I second that, it seemed to fix my 0.31a T-Mobile SIM card problem about rebooting and not getting signal until I do the Airplane Toggle On/Off thing via Settings on 0.9.5

      This keeps getting better and better! I can re-insert my T-Mobile SIM and its recognized in a few seconds after inserting.
    1. confucious's Avatar
      confucious -
      0.96 works without any intervention - Boot up, get signal
      Best version yet
    1. newyork0900's Avatar
      newyork0900 -
      Quote Originally Posted by confucious View Post
      0.96 works without any intervention - Boot up, get signal
      Best version yet
      I agree!! I Am on 3 network uk and when I switched my phone off i.e overnight and then back on I would not be able to get a signal/service (at all, even when airplane mode on/off, reset network etc...).

      The 09.6 update seems to have solved this problem
    1. rickyscivic's Avatar
      rickyscivic -
      I got the 9.6 yellowsnow now and I get signal on t-mo perfect but when I press phone keypad goes away and if I call from contacts I can't return to call...any suggestions?
    1. confucious's Avatar
      confucious -
      I have no problem making a call on T-0Mobile UK.
    1. suriathep's Avatar
      suriathep -
      Everything works fine here in Thailand. Everything works fine, WiFi, Edge, GPRS, except tried to dial or call out, it said 'Call Failure. Can't dial out at all but can receive calls which is very strange. Does anyone has this problem? Help!!!
    1. confucious's Avatar
      confucious -
      rickyscivic is also having the same problem.

      What network are you on rickyscivic?

      Like I say I don't have this problem on T in the UK.
    1. rickyscivic's Avatar
      rickyscivic -
      Im on t mobile usa and i can make calls out but i have to do it from my contacts...the dialer doesnt work and i cant check my vmail.if i call Someone i cant even get to phone options so i cant hang up untill they do. I tried calling my number but i cant check vmail because i cant get to keypad to input p word. It says touch to return to call at the top in green but when i touch it nothing happen.
    1. ellicit's Avatar
      ellicit -
      I've just uninstalled 0.9.5 booth using the power button and installed 0.9.6 booth again, on start up, full bar, everthing works.

      Thanks Dev team.
    1. i pimping's Avatar
      i pimping -
      Quote Originally Posted by suriathep View Post
      Everything works fine here in Thailand. Everything works fine, WiFi, Edge, GPRS, except tried to dial or call out, it said 'Call Failure. Can't dial out at all but can receive calls which is very strange. Does anyone has this problem? Help!!!
      works perfect with 12call and true
    1. tattoojack's Avatar
      tattoojack -
      9.6 smooth as glass

      If u are still havin probs,
      Redo everything and start with 9.6 instead of just updating.
      This will get rid of all the extra stuff from all the betas
      (terminal, bossprefs, sbsettings)
      Now u dont need any of that stufd!
    1. jeproks77's Avatar
      jeproks77 -
      Now i can comment. I update 094 yellowsnow before signal is buggy,3g etc, etc. I didnt update on 095 version on yellowsnow waited for 3 days then update straight to 096. No problem! My signal is stronger than ever. Even my 3G is almost full bar in my room but before (not yet unlocked by Yellowsnow) i couldnt get anny. All i did is update, reset network settings, dunno bout you but my phone reboot when i reset. Couldnt test wifi coz dont have one right now. Thanks DEV TEAM. HOOORAY!!!!!!! Btw im commenting on my iphone. Salute to the dev team for their generosity
    1. stewart12's Avatar
      stewart12 -
      updated from 0.9.5 to 0.9.6 and no more problems. before i was having to reboot and take out the sim after i turned my phone off. it was getting old. i would also have to take out the sim and put in airplane mode sometimes before it would recognize my sim. no more after 0.9.6. i have Tmob USa and until now with all the versions there was some little glitch, but not with 0.9.6. hooray!
    1. quakerroatmeal's Avatar
      quakerroatmeal -
      Whoa I just updated, reboot and it automatically worked. It seems like the new update when rebooted, it'll automatically turn airplane mode on/off and automatically search for signal quick!!!! AWESOME! I didn't even reset anything, uninstalled 0.9.5 installed 0.9.6 , updated, reboot and bam.
    1. THE TECH's Avatar
      THE TECH -
      Quote Originally Posted by quakerroatmeal View Post
      Whoa I just updated, reboot and it automatically worked. It seems like the new update when rebooted, it'll automatically turn airplane mode on/off and automatically search for signal quick!!!! AWESOME! I didn't even reset anything, uninstalled 0.9.5 installed 0.9.6 , updated, reboot and bam.
      I finally took the plunge and got the same results so far. I haven't tried making a call yet, but everything seems good. Trying to redownload all my stuff now.
    1. lild7hina's Avatar
      lild7hina -
      i had trouble with my at&t sim on 0.95 so i was excited for 0.96.... and everything works perfectly now .... now to get my prepaid t-mobile sim card
    1. AndrewIbk's Avatar
      AndrewIbk -
      seems like 9.6 is the shieeeetttt. I will restore and start fresh !! ill keep you guys updated

      Works great
    1. BlackG35's Avatar
      BlackG35 -
      .96 works perfectly on t-mobile..Ive been rebooting changing sims etc and it still works every time.
    1. THE TECH's Avatar
      THE TECH -
      I have had one issue. I did my wife's phone since everything seemed to work perfectly when I did mine. I did it the EXACT same way, but once I got the phone working again, itunes did not restore her contacts like it should have. Any ideas? I tried restoring the phone a total of 4 times to try and get the info back that was lost but nothing changed.