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Thread: Error 21 fix

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For those like me that ITunes would not let you update to 5.0.1 had error 21 I had to open up tinyumbrella and uncheck set to cydia and now ITunes
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  1. #1
    iPhoneaholic towboattrash34's Avatar
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    Thumbs up Error 21 fix
    For those like me that ITunes would not let you update to 5.0.1 had error 21 I had to open up tinyumbrella and uncheck set to cydia and now ITunes is updating and restoring just fine.
    IPhone 5s....
    First MacBook Pro 13" I7 2.8Ghz with win7
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  2. The Following 5 Users Say Thank You to towboattrash34 For This Useful Post:

    bolagelinding (12-27-2011), capodtc (12-28-2011), JBottoms (12-28-2011), kmx (02-05-2012), pacmac (12-27-2011)

  3. #2
    Livin the iPhone Life pacmac's Avatar
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    Quote Originally Posted by towboattrash34 View Post
    For those like me that ITunes would not let you update to 5.0.1 had error 21 I had to open up tinyumbrella and uncheck set to cydia and now ITunes is updating and restoring just fine.
    im on 4.2.1 att jailbroke can i just update to 5.0.1 from there or do i have to restore to factory iOS fw? i have 4.3.1+ SHSH saved on tiny umbrella..do i download a stock iOS 4.3X and restore as new then update to 5.0.1?

    thanks
    THANK ME THANK THANK AGAIN..

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    Quote Originally Posted by towboattrash34 View Post
    For those like me that ITunes would not let you update to 5.0.1 had error 21 I had to open up tinyumbrella and uncheck set to cydia and now ITunes is updating and restoring just fine.
    Thank you! I have been stressing over error 21 for hours and this perfectly solves the problem!

  5. #4
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    Quote Originally Posted by towboattrash34 View Post
    For those like me that ITunes would not let you update to 5.0.1 had error 21 I had to open up tinyumbrella and uncheck set to cydia and now ITunes is updating and restoring just fine.
    could you pleas show us the steps!

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    Thank you! Thank you! Thank you!

  7. #6
    iPhoneaholic towboattrash34's Avatar
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    Quote Originally Posted by ?e?e Al-Zadjali View Post
    could you pleas show us the steps!
    open tinyumbrella look at lower right were it says advance click it the uncheck set hosts to cydia. then update and restore your ph with itunes... then jailbreak
    IPhone 5s....
    First MacBook Pro 13" I7 2.8Ghz with win7
    1 rooted Thrive
    08 Chevy 2500HD LTZ
    06 Dyna Lowrider
    40ft Raptor toyhauler

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    i did and it worked, but the ModMyi in cydia is empty!! can't you help on this one! T_T

  9. #8
    kmx
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    You are a GOD!!!! THANK YOU THANK YOU THANK YOU THANK YOU!!!!!Thought I was stuck on the Error 21 forever..

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