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Thread: iOS 4.2.1 Does Baseband Checks; ultrasn0w Out By Sunday?

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Apple has defeated TinyUmbrella's iPhone 4 baseband protection by implementing a boot level signature check in iOS 4.2.1. It's probably unnecessary to reiterate the warning that's been out there since
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  1. #1
    MMi Staff Writer Paul Daniel Ash's Avatar
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    Default iOS 4.2.1 Does Baseband Checks; ultrasn0w Out By Sunday?


    Apple has defeated TinyUmbrella's iPhone 4 baseband protection by implementing a boot level signature check in iOS 4.2.1. It's probably unnecessary to reiterate the warning that's been out there since before the upgrade dropped, but unlockers should really, really avoid upgrading. Meanwhile, MuscleNerd wishes everybody a happy Thanksgiving, and says he thinks the next version of ultrasn0w may be ready, at least for some users, as soon as Sunday.

    Adventurous unlockers have already found that if they try to run iOS 4.2.1 on a device with an older baseband, it will show the message "An unknown error has occurred" and go into recovery mode. TinyUmbrella is no longer able to kick iPhones out of recovery for iOS 4.2.1 because the baseband nonce is now checked, just like the SHSH is checked for firmware revs. So at this point there's no way out of that except to install the new baseband (killing the unlock) or downgrading to iOS 4.1 (assuming one has saved SHSH blobs).

    Help is on the way, though. MuscleNerd tweeted from the Thanksgiving table this morning to say he's making good progress on ultrasn0w. iPhone 3G and 3GS unlockers may have a working ultrasn0w by "Sunday/Funday;" iPhone 4 users will have to wait a little longer.

    Source: Twitter

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  3. #2
    iPhone? More like MyPhone
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    Great!!cant wait!!

  4. #3
    My iPhone is a Part of Me delusion950's Avatar
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    Awsome news. Thanks nd happy T-Giving to you too!

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    iPhoneaholic rabbit_'s Avatar
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    Am ok sticking to 4.1 but glad for everyone who gets a unlock good job just like to say happy thanksgiving to our American jb family from Scotland
    On another note it's snowing here yippee

  6. #5
    My iPhone is a Part of Me delusion950's Avatar
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    am also switching phone. goin to android saying bye to iphone 4 nd iOS apple's BS.

  7. #6
    What's Jailbreak?
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    i have upgraded to 4.2 and have the new baseband 05.15.04... what do i do help

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    ggab (11-25-2010)

  9. #7
    Green Apple
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    Happy Thanksgiving to you too MuscleNerd and all the Devs who are working hard on the jailbreak/unlock. Take your time and enjoy the holiday. Best wishes from PA!

    GoIrish!

  10. #8
    iPhone? More like MyPhone CaptBojank's Avatar
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    Quote Originally Posted by delusion950 View Post
    am also switching phone. goin to android saying bye to iphone 4 nd iOS apple's BS.
    that's cool
    --= Fortes fortuna adiuvat =--

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    iPhone? More like MyPhone
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    Quote Originally Posted by pheazy View Post
    i have upgraded to 4.2 and have the new baseband 05.15.04... What do i do help
    lol

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    iPhoneaholic rabbit_'s Avatar
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    Quote Originally Posted by pheazy View Post
    i have upgraded to 4.2 and have the new baseband 05.15.04... what do i do help
    Downgrade using your saved shsh (hopefully) you saved them

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    pheazy (11-25-2010)

  15. #11
    What's Jailbreak? peedee211's Avatar
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    Waiting patiently 2.10.04 ip4

  16. #12
    auh
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    I have an international iPhone4 so I don't have to worry about the unlock, but for others that can't kick out of recovery with Tiny Umbrella...I wonder if RecBoot will take it out of recovery. I know that I used it when I got the 1013 error when I first upgraded to 4.2.1 and it worked fine.

  17. #13
    What's Jailbreak?
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    please help me to unlock my iphone 3g ios 4.1 baseband 05.14.02...i really need help and please give me instruction how to do the unlocking process

  18. #14
    My iPhone is a Part of Me wolverinemarky's Avatar
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    i dont need the unlock till i go to sell my phone before i upgrade to the new one next june. so i will avoid this update so i can keep the possibility of a future unlock viable

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  20. #15
    iColor Themes DevouredDreams's Avatar
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    Quote Originally Posted by rabbit_ View Post
    Downgrade using your saved shsh (hopefully) you saved them
    lol downgrading is not going to help him.. hes ****** downgrading firmware will not downgrade his baseband..

    unless hes on a 3g with a 5.8 bootloader then fuzzyband will downgrade it (the baseband)
    Last edited by DevouredDreams; 11-25-2010 at 09:52 AM.

  21. #16
    What's Jailbreak? mosesjade's Avatar
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    ive been waiting for this, yesss!

  22. #17
    iPhoneaholic HayWire's Avatar
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    Quote Originally Posted by hadjie0183 View Post
    please help me to unlock my iphone 3g ios 4.1 baseband 05.14.02...i really need help and please give me instruction how to do the unlocking process
    Did you read? Their isn't an unlock for this yet, it's coming Sunday. Sheesh.

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  24. #18
    What's Jailbreak?
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    Happy thanksgiving to you. I can't wait for the 3gs unlock.

  25. #19
    iPhone? More like MyPhone
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    Wow Apple, you are really working harder than you should be against the dev teams. Just make the hardware and software Apple, don't fuss with the cellular part seeing as you seem to get it wrong quite frequently.

  26. #20
    Green Apple cheme75's Avatar
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    isn't there a chart somewhere, can't recall where, that shows, model, bootloader, baseband and ios version with available options?

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