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Thread: Unlock and Jailbreak (Untethered) - iPhone 4, iOS 5.1.1, Baseband 04.12.01

  1. #1
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    Exclamation Unlock and Jailbreak (Untethered) - iPhone 4, iOS 5.1.1, Baseband 04.12.01

    Dear All,

    I have just got an iPhone 4 8 GB with below specifications.

    Version (or iOS version) : 5.1.1 (9B208)
    Modem Firmware (or Baseband Version) : 04.12.01
    Network (like AT&T, Sprint, Verizon e.t.c) : AT&T 12.0
    I have read lots of bad things about Baseband 04.12.01.

    Please help me to Unlock and Jailbreak (Untetethered) this iphone. Please provide me links, I am sure I will manage it.
    I do not have a Gevey/AT&T Sim, possibly links which do not needs these can help me out.

    I have found this link to Jailbreak it, but not sure how to Unlock it.

    Please help. I will write a detailed instructions with links once I will get this done. I am sure there would be many newbies like me searching for the same thing.

    Regards.

  2. #2
    Moderator tehh4ck3r's Avatar
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    iPhone 4
    You need to get a factory unlock in order to unlock it

  3. #3
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    Quote Originally Posted by tehh4ck3r View Post
    You need to get a factory unlock in order to unlock it
    Thanks for replying, no way to unlock it through a software (or something similar). There are various websites which claim that they can unlock device of any baseband, but I am not sure which one to trust.

    Can you please help me with some links of the sites you know are genuine and can factory unlock my device ? It would be a great help.

    Regards,
    Vikas

  4. #4
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    I can do Iphone factory unlock for at&t, check here Iphone unlock

  5. #5
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    Quote Originally Posted by 123456& View Post
    I can do Iphone factory unlock for at&t, check here Iphone unlock
    Is there a way to downgrade baseband OR factoy unlock is the only option left for me.

    Regards.

  6. #6
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    Factory unlock + Abshinte jailbreak


    Poslato preko Tapatalk sa iPhone 4s

  7. #7
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    You can't downgrade baseband. the only way to downgrade baseband is when you have ipad's baseband installed on you iphone.

  8. #8
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    Quote Originally Posted by Vuk98 View Post
    Factory unlock + Abshinte jailbreak


    Poslato preko Tapatalk sa iPhone 4s
    Just to confirm I will be able to jailbreak my iPhone using absinthe 2.0 with: a freshly restored factory unlocked iPhone 4 on firmware 5.1.1 with baseband 4.12.01?

  9. #9
    Moderator tehh4ck3r's Avatar
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    Quote Originally Posted by starplayer73 View Post
    Just to confirm I will be able to jailbreak my iPhone using absinthe 2.0 with: a freshly restored factory unlocked iPhone 4 on firmware 5.1.1 with baseband 4.12.01?
    yes, you will

  10. #10
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    iPhone3G
    Quote Originally Posted by tehh4ck3r View Post
    yes, you will
    Sir, good day. Where can I Factory Unlock my iPhone4?

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