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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. dale1v's Avatar
      dale1v -
      Apple have been spanked yet again.
    1. loafomatic's Avatar
      loafomatic -
      Quote Originally Posted by dale1v View Post
      Apple have been spanked yet again.
      Um, I think we're the ones that got spanked this time.
    1. Xenthor's Avatar
      Xenthor -
      After trying forever, I finally got it to work again.

      I tested it on my 8GB iPhone 3G, without a hitch. I got signal as soon as took it out and waited 10 seconds after the lockscreen showed up.

      However, on my 16GB iPhone 3G, this was NOT the case. I took literally two hours to get it to work. But right now it seems to work, so I won't even TRY to make calls since many are reporting it not working.

      I ended up doing the Airplane Mode On & Off thing, and that seemed to work.

      Using T-Mobile as well.

      Quote Originally Posted by Empyrials View Post
      ugh i tried everything again step by step and only get Dots or sometimes no service Tried with my gf's sim as well

      i have:
      T-Mobile USA
      8gb 3g
      Try doing this:

      1. Install yellowsn0w thru cydia, keep your T-Mobile SIM in the iphone while doing this.
      2. Reset Network, General -> Network -> Reset Network.
      Setting "Most important" 99% success rate will depend on this
      3. Reboot your iPhone
      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. See if you can receive calls!
    1. ZIGE's Avatar
      ZIGE -
      it's a no go for MTC TOUCH Lebanon..

      i've tried everything and still nothing, if anybody gets it working on mtc let me know what you did please!
    1. thchillbilly's Avatar
      thchillbilly -
      Finally got my iphone white 16gb 3G to work tmobile usa
      installed 2.2 with 2.28 baseband and yellowsn0w, rebooted waited nothing happened, after nothing else seem to work I tried toggling airplaine on and off several times till it says searching about 10-15 seconds later tmobile comes on, everything works calls out, receives calls, internet E works. Had to reboot my iphone a few times to update progams and does the same thing just toggle the airplaine mode several times, then searching, wait, then works. Thanks
    1. bballcat03's Avatar
      bballcat03 -
      Quote Originally Posted by thabrews1986 View Post
      anyone heard anything from the dev team or any mods it seems everyone in the USA trying to make calls with this software in unable to do so. Now our turbo sims wont work there are turbo sims for the 2.2 software on ebay for a pretty reasonable price I wonder if they work though or if the dev team has found a way to fix this problem but so far we are all pretty much in the same boat everything works except not able to make calls. If anyone else knows anything to change this please post.
      Turbo Sim Version 2.2 will work with it. Version 2.2 features:
      -WORKS FLAWLESSLY WITH THE 2.2 FIRMWARE OR BELOW
      -UNLOCKS MANY OTHER CELLPHONES SUCH AS BLACKBERRY, G1, NOKIA, SAMSUNG AND ETC
      -VERY STABLE WITH NO DROP CALLS / SIGNAL LOSS
      -NO SIM CUTTING REQUIRED
      -GPRS/EDGE INTERNET
      -I-TUNES SYNCING PERMITTED
      -VERY THIN DESIGN ALLOWING EASY IN N OUT ACCES
    1. Xenthor's Avatar
      Xenthor -
      No go, I just tried making a call and this made my 5 bar signal drop to none. So at least I can confirm this with everyone else in the U.S using T-Mobile as well.
    1. bballcat03's Avatar
      bballcat03 -
      Quote Originally Posted by thchillbilly View Post
      Finally got my iphone white 16gb 3G to work tmobile usa
      installed 2.2 with 2.28 baseband and yellowsn0w, rebooted waited nothing happened, after nothing else seem to work I tried toggling airplaine on and off several times till it says searching about 10-15 seconds later tmobile comes on, everything works calls out, receives calls, internet E works. Thanks
      He says he's from USA, but I'm gonna wait to believe it until someone with some credibility says it works, rather than someone with 1 post
    1. Xenthor's Avatar
      Xenthor -
      Quote Originally Posted by bballcat03 View Post
      He says he's from USA, but I'm gonna wait to believe it until someone with some credibility says it works, rather than someone with 1 post
      I wouldn't be so hasty just yet,

      Part of this worked for me at least, I'll try testing outgoing calls since I have nothing to loose right now anyways.

      However, after I lost my signal. I just ended up messing with the Airplane On & Off thing instead of rebooting and doing all that mess, about having to re-insert and wait so and so seconds before inserting again.

      I got the signal back after a few tries with the Airplane On & Off.

      So I'll just mess around and see if I can make a call, at least texting (receiving and sending works for now.)
    1. imagineThiss's Avatar
      imagineThiss -
      ?????????????????????? ring around the rosy BABYY lool
    1. Empyrials's Avatar
      Empyrials -
      Quote Originally Posted by Xenthor View Post
      Try doing this:

      1. Install yellowsn0w thru cydia, keep your T-Mobile SIM in the iphone while doing this.
      2. Reset Network, General -> Network -> Reset Network.
      Setting "Most important" 99% success rate will depend on this
      3. Reboot your iPhone
      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. See if you can receive calls!

      i did exactly that, twice. then tried other variations after that, no go. I'm done playing for a few hours i might wait till tomorrow to see what people have done. thanks for the input tho
    1. Xenthor's Avatar
      Xenthor -
      Quote Originally Posted by Empyrials View Post
      i did exactly that, twice. then tried other variations after that, no go. I'm done playing for a few hours i might wait till tomorrow to see what people have done. thanks for the input tho
      Sorry it didn't work for you, I know I had to try a whole bunch of different crap before I got it to work. Now just messing with the Airplane On & Off mode, seems to get my signal back when I do loose it.

      Outgoing calls DO NOT work for me either though, I've tried it three times after loosing signal, but no luck.

      Oh well, at least most things seem to be working. Better than nothing. (My Gevey SIM card was already dead so... :P)
    1. xjuliephanx's Avatar
      xjuliephanx -
      Worked for tmobile US here! I used bossprefs to reboot (which somehow made a difference as opposed to booting on my own 3 times) and didn't need to do airplane mode to get it working but I do have that bug without outgoing calls. Hope they find a fix for this soon. Thanks dev team!
    1. kingkong's Avatar
      kingkong -
      Shocked it don't work, but it don't work! Hope its resolved soon.
    1. ZIGE's Avatar
      ZIGE -
      this sucks
    1. Mes's Avatar
      Mes -
      With all the problems hate to say this. But when DevTeam mentioned deamon process . . . I decided to wait. As a long-time Unix guru, deamons can be just that --- Deamons!! Sure wish a permanent 'flash-the-baseband' solution was available. That'll always be more reliable even thought there are greater risks of bricking. Sorry all for your problems. Hope a permanent fix comes soon.
    1. hotshot21354's Avatar
      hotshot21354 -
      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.
      I am having the same problem. I just removed yellowsnow and my phone is working fine.
    1. DSMKilla's Avatar
      DSMKilla -
      Quote Originally Posted by dale1v View Post
      Apple have been spanked yet again.
      Uhhh no I think the DEV TEAM are the ones who got PWNED this time

      Quote Originally Posted by loafomatic View Post
      Um, I think we're the ones that got spanked this time.
      hahaha true that
    1. Dee$'s Avatar
      Dee$ -
      yes it does work with T-mobile in US (i am in Chicago). i have 16 gb 3g and i tried everything that i found on this post and got nowhere, not even signals. i tried uninstalling and reinstalling yellowsnow too but no luck. finally, i put in my friends t-mobile sim which is a lot newer sim than mine and got some signals and T-mobile sign. i tried making call but as everyone it failed, but when i put in my own sim again i didnt have any signals at all. so i turned an airplane mode on and waited about 30seconds-minute and turned off airplane mode and yes i got full signals and now i can make calls and receive. everything seems to be working fine as of now but when i turn the phone off and turn it back on i get no signals again. however, when i use the airplane mode trick it comes back to normal. now i have full signals, i can make calls, receive and edge and wifi is working good too.... hope this helps,
    1. law111's Avatar
      law111 -
      Thank's for the suggestion but it didnt work. Idk whats wrong i jailbroke my iPhone when it came out for the last firmware, then when the new one came out i updated, but that shouldnt made a difference because that what everyone else just had to do, im confused idk why it doesnt work. tried using quickpwn and pwnagetool idk what im doing wrong. help? anyone?