1. towboattrash34's Avatar
    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
    1 rooted Thrive
    08 Chevy 2500HD LTZ
    06 Dyna Lowrider
    40ft Raptor toyhauler
    2011-12-28 03:36 AM
  2. pacmac's Avatar
    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..
    2011-12-28 04:25 AM
  3. bolagelinding's Avatar
    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!
    2011-12-28 06:42 AM
  4. ?e?e Al-Zadjali's Avatar
    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!
    2011-12-28 12:24 PM
  5. JBottoms's Avatar
    Thank you! Thank you! Thank you!
    2011-12-28 01:00 PM
  6. towboattrash34's Avatar
    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
    2011-12-28 02:49 PM
  7. ?e?e Al-Zadjali's Avatar
    i did and it worked, but the ModMyi in cydia is empty!! can't you help on this one! T_T
    2011-12-28 09:06 PM
  8. kmx's Avatar
    You are a GOD!!!! THANK YOU THANK YOU THANK YOU THANK YOU!!!!!Thought I was stuck on the Error 21 forever..
    2012-02-05 06:02 PM
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