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Discuss Unlock iPhone 4 iOS 4.2.1 at the iOS 4.x (iPhone OS 4.x) - Hackint0sh.org; Hi, I bought a brand new iphone 4 in January 2011 in the US, AT&T ...
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    Exclamation Unlock iPhone 4 iOS 4.2.1

    Hi, I bought a brand new iphone 4 in January 2011 in the US, AT&T carrier and didnt even use it once. I was planning to jailbreak it later when I went back to India. Now when i plugged it in it just says "Emergency calls Only" as it has not been activated. Which method is the best to jailbreak it. And when is the Unlock for it expected. I cannot find out my baseband version as i havent been able to jailbreak it yet.

    Help please!!!

    Thank you...



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    Super Moderator Array Olethros's Avatar

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    Download TinyUmbrella and run it.
    Plug your iPhone into your computer (be careful to close iTunes if it tries to open)
    TinyUmbrella will tell you what baseband version the phone has even when it is stuck at the "emergency calls only" screen

    You should have saved your SHSH as soon as you purchased the phone - now you have no way to restore the phone to the OS version that it shipped with (likely 4.2.1)

    Your baseband is 99% likely to be 2.10.04 or 3.10.01 - these cannot be unlocked via ultrasn0w yet.
    Last edited by Olethros; 05-03-2011 at 11:07 PM.
    Please read the stickies & search forum before posting!
    How to report an iTunes restore/update fail in a useful manner
    -

    iPad 3G 64GB (4.3.3, Redsn0w) oldest SHSH 3.2.2
    iPhone 4 32GB (4.2.1, Redsn0w JB-monte) oldest SHSH 4.1
    iPhone 3GS 32GB (4.3.3; Pwnagetool) factory unlocked oldest SHSH 3.1
    iPhone 8GB (3.1.3; Pwnagetool) AT&T Locked - Unlocked with bootneuter

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    Quote Originally Posted by Olethros View Post
    Download TinyUmbrella and run it.
    Plug your iPhone into your computer (be careful to close iTunes if it tries to open)
    TinyUmbrella will tell you what baseband version the phone has even when it is stuck at the "emergency calls only" screen

    You should have saved your SHSH as soon as you purchased the phone - now you have no way to restore the phone to the OS version that it shipped with (likely 4.2.1)

    Your baseband is 99% likely to be 2.10.04 or 3.10.01 - these cannot be unlocked via ultrasn0w yet.
    Hey Thanks for the reply... I just wanted to ask that will I still be able to jailbreak my
    iphone. If yes which is the best method you suggest for it??? Sorry I'm a n00b...

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    Super Moderator Array Olethros's Avatar

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    Before you start to jailbreak, you should try and work out what iOS version the phone currently has. Again TinyUmbrella gives you this information.

    You should also save your SHSH with TinyUmbrella as soon as possible.

    Once we know what SHSH you have saved and what iOS version your phone is running we can give you more accurate jailbreaking advice.
    Please read the stickies & search forum before posting!
    How to report an iTunes restore/update fail in a useful manner
    -

    iPad 3G 64GB (4.3.3, Redsn0w) oldest SHSH 3.2.2
    iPhone 4 32GB (4.2.1, Redsn0w JB-monte) oldest SHSH 4.1
    iPhone 3GS 32GB (4.3.3; Pwnagetool) factory unlocked oldest SHSH 3.1
    iPhone 8GB (3.1.3; Pwnagetool) AT&T Locked - Unlocked with bootneuter

    -
    Did we solve your problem? Got a dollar or two spare ? Donate!

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    Quote Originally Posted by Olethros View Post
    Before you start to jailbreak, you should try and work out what iOS version the phone currently has. Again TinyUmbrella gives you this information.

    You should also save your SHSH with TinyUmbrella as soon as possible.

    Once we know what SHSH you have saved and what iOS version your phone is running we can give you more accurate jailbreaking advice.
    Hey,
    I saved the SHSH using tiny umbrella, my iphone OS is 4.2.1, with a baseband of 3.10.01, which i guess cannot be unlocked yet. What should I do now???


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    Super Moderator Array Olethros's Avatar

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    Quote Originally Posted by siddverma96 View Post
    Hey,
    I saved the SHSH using tiny umbrella, my iphone OS is 4.2.1, with a baseband of 3.10.01, which i guess cannot be unlocked yet. What should I do now???
    Well you can jailbreak with greenpois0n (on iOS 4.2.1) - there is absolutely no chance of ultrasn0w being able to unlock your phone (but it might be supported in a future version of ultrasn0w).

    You are simply out of luck regarding unlock. I will never recommend the (illegal in most countries - including India) geveysim. You should have done better research - any AT&T iPhone purchased new since around October 2010 could not be unlocked via ultrasn0w.
    Please read the stickies & search forum before posting!
    How to report an iTunes restore/update fail in a useful manner
    -

    iPad 3G 64GB (4.3.3, Redsn0w) oldest SHSH 3.2.2
    iPhone 4 32GB (4.2.1, Redsn0w JB-monte) oldest SHSH 4.1
    iPhone 3GS 32GB (4.3.3; Pwnagetool) factory unlocked oldest SHSH 3.1
    iPhone 8GB (3.1.3; Pwnagetool) AT&T Locked - Unlocked with bootneuter

    -
    Did we solve your problem? Got a dollar or two spare ? Donate!

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    Thanks a lot for sharing information about iPhone.I've been buy a week ago and found the way to solve this problem.

 

 

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