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Thread: iPhone 4 - "No Service" after Jailbreak ? + Warranty Information

  1. #1
    Post iPhone 4 - "No Service" after Jailbreak ? + Warranty Information
    I am running iPhone 4 iOS 5.0, bb 4.11.8
    I have 3 questions:

    1. After I Jailbroke it, my At&t sim card kept saying no service, I am not sure if it's the phone it self or it's due to the jailbreak. I bought the phone used from someone, so maybe there was already a problem there ? maybe bad esn or something ? what do you guys think ?

    2. After I Jailbreak it and i reverse back to official firmware and stuff, is my warranty still void ? is there anyway for apple to verify this ? I would like to send it in for repair since it already has warranty on it still.

    3. Should I stay with iOS 5.0 or go with 5.0.1 ? I heard 5.0.1 has some battery issue fix or something and that seems really good about now, but I also heard there are no battery issue fix as well.
    I am looking for a unlock soon so 5 or 5.0.1 would be better ?

  2. #2
    Superbad Modder-ator Simon's Avatar
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    Did you jailbreak before or after you activated the phone?

  3. #3
    it was already activated by someone else's At&t sim card.
    then I took it home and jail broke it using ultrasn0w and clicked activate option.
    so it's activated using ultrasn0w.

    maybe thats why ? should i activate it using regular sim card rather then ultrasn0w ?

  4. #4
    Superbad Modder-ator Simon's Avatar
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    Ultrasnow is an unlock not a jailbreak. Did you mean redsnow? Or snowbreeze?

  5. #5
    Quote Originally Posted by Simon View Post
    Ultrasnow is an unlock not a jailbreak. Did you mean redsnow? Or snowbreeze?
    I had the same problem when I used snowbreeze, I had to redo my phone as a new phone then restore the programs then I jailbroke my phone with redsnow everything working fine now.

  6. #6
    Sorry, I meant I used sn0wbreeze to jailbreak it,
    but i also clicked "yes" to activate option.
    so i'm thinking, because it was activated that way,
    it was having problem ?

    I am going to re jailbreak it using redsn0w
    and see if that fixes the issue.

  7. #7
    Superbad Modder-ator Simon's Avatar
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    That was the reason you have no service then. Redo the process with snowbreeze, this time do not activate the custom firmware. When you are on a official carrier like ATT you have to activate with that sim.

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  9. #8
    oh i see,
    thanks for the info !

    also, regarding the warranty issue.
    is it still under warranty if i jailbreak and reverse it back to original firmware ?
    is there a way apple could find out and void the warranty ?

  10. #9
    Superbad Modder-ator Simon's Avatar
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    As long as you restore and wipe the jailbreak your warranty should still be good on it.

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