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Discuss Error 21 when trying to restore (in PWND DFU mode) at the iOS 4.x (iPhone OS 4.x) - Hackint0sh.org; Hi. So I have a iPhone 4 on 5.0.1 last checked. I tried restoring using ...
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    Default Error 21 when trying to restore (in PWND DFU mode)

    Hi. So I have a iPhone 4 on 5.0.1 last checked. I tried restoring using 5.0.1 (again) and I get a (21) error. I tried just using the manual iTunes restore and I get the same error. What's funny is earlier I tried doing a restore using stock 5.0.1 and it started restoring. I quickly unplugged my iDevice and now when I try I am unable to restore to anything. I'm afraid my phone is shot -- and that I won't be able to do anything with it.

    I have the latest Redsn0w and iTunes.



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    *Update*

    I went into my AppData/Roaming/Apple Computer/iTunes/iPhone Software Updates and deleted that file. That allowed me to run the 5.0.1 custom file and my phone booted with the preserved BB. I tried to hactivate with redsn0w and I guess it didn't go through. My apple logo on the iDevice is now coming and going. Any ideas?

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    I think this is the error report everyone is looking for :

    Upload Your content

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    Bump

    Anyone? I'm really having a hard time with this.

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    Bump ;(

    Heres my latest updated log:

    http://pastebin.com/1xkk7Jb0

    My life is full of stress right now. Is my phone a brick?
    Last edited by taterminator; 12-22-2011 at 12:19 PM.


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    Super Moderator Array n1ckn4m3's Avatar

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    The error you're getting is that it's not accepting the APticket generated for your firmware. The log file also indicates you're using a pre-personalized bundle? Are you using a custom firmware or have you stitched your .IPSW? It's worth mention that you cannot use SHSH to restore 5.x yet so a pre-personalized bundle will not work -- the APticket nonce will be different every boot. If you're restoring to 5.0.1 you don't need to personalize nor do you need an SHSH...
    The preceding forum post has been brought to you by the letter "N" and the number 42.

    iPhone 4, 32GB (iOS 6.1.2 | evasi0n | SHSH: 4.0 - 6.1.2)
    iPad 2 3G, 64GB (iOS 6.1.2 | evasi0n
    |
    SHSH: 4.3 & 4.3.3 - 6.1)

    Restore problems? Read this: http://www.hackint0sh.org/f137/130802.htm

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


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    Okay so will you tell me the steps I need to do in order to restore my phone to stock? & which files to use? I do not have shsh blobs

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    Super Moderator Array n1ckn4m3's Avatar

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    If you don't have blobs and it's complaining about the AP ticket generation -- I hate to say I have no idea what you could have done or why it would be throwing that error. Make 100% sure you have removed any modifications to your hosts file, and then attempt to upgrade the device directly from iTunes to 5.0.1, make sure you let iTunes download the firmware, and again, make sure that your hosts file has no references to gs.apple.com -- if it still complains about the APticket, let us know.
    The preceding forum post has been brought to you by the letter "N" and the number 42.

    iPhone 4, 32GB (iOS 6.1.2 | evasi0n | SHSH: 4.0 - 6.1.2)
    iPad 2 3G, 64GB (iOS 6.1.2 | evasi0n
    |
    SHSH: 4.3 & 4.3.3 - 6.1)

    Restore problems? Read this: http://www.hackint0sh.org/f137/130802.htm

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


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    I checked my hosts file, and some how the apple hosts were written. I deleted both of them and ran the restore ... came back with a 1602 error:

    2011-12-28 01:18:42.891 [2432:7fc]: restore library built Sep 14 2011 at 01:30:0 - Pastebin.com

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    Question: During the restore, am i suppose to hear the iphone connecting /disconnecting a lot? cause thats what it does


 

 
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