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Lost password to unlock iphone backup file

74847 Views 6 Replies Latest reply: Sep 28, 2009 2:45 AM by trnepalla RSS
donglin Calculating status...
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Jun 24, 2009 8:54 PM
could you plzzzzzz help how to recovery or reset my backup password ?

thx a lot

iPhone OS 3.0
Macbook Pro, Mac OS X (10.5.6), 2.4Ghz 4G ram 256Vram
  • dfrjr Calculating status...
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    Jul 9, 2009 10:36 AM (in response to donglin)
    Same problem. The encrypt backup box is not checked, yet the backup is still encrypted. If I click the box, It asks for a password which is not accepted. the console give this error.

    Thu Jul 9 12:29:12 unknown /usr/libexec/BackupAgent[774] <Error>: 774:970457784|BackupAgent.m:_handlePasswordChange| ERROR: A password exists in the keychain, but we were not given an old password. Refusing to change the password
    iPhone, iPhone OS 3.0
  • maddi555 Calculating status...
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    Aug 24, 2009 9:35 AM (in response to dfrjr)

    Did you manage to resolve the problem with your backup file password?
    I am having the same problem and cannot access anything.

    Can you help please??

    Many Thanks
    DELL Inspiron 6400, iPhone OS 3.0.1
  • Halfsquatch Calculating status...
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    Aug 30, 2009 10:23 AM (in response to maddi555)
    I recently attempted to restore a phone from my backup file. It prompted me for a password but none of the passwords I typed would work. I tried every password I know. I was very frustrating because if you don't have the password, you can't use the backup file.

    So, after calling support and spinning around on this for a while, I figured out how to find what the password on the file was. It turns out, I had mistyped it (twice) when I set the password, so none of my known passwords would match.

    For this to work the following things need to be true:

    NOTE: For this to work, you need to be on a Mac. Also, it requires that when you set your password, you clicked the "Remember this password in my keychain" check box.

    To retrieve my password, I did the following:

    1. Opened Applications>Utilities>Keychain
    2. In the search dialog, searched for "iPhone Backup"
    3. Double clicked on the most recent entry for "iPhone Backup"
    4. At the bottom of the dialogue box, click "Show password" and type in the administrative password for the computer.

    The password is then revealed.
    iPhone, Mac OS X (10.5.8), iTunes, Lost Passwords and Keychain
  • GiPhone Level 1 Level 1 (0 points)
    Currently Being Moderated
    Sep 6, 2009 3:19 PM (in response to Halfsquatch)
    ehi Halfsquatch!!
    thanks for this reply!

    it works perfectly

    iPhone 3GS, Mac OS X (10.5.8)
  • trnepalla Calculating status...
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    Sep 28, 2009 2:45 AM (in response to Halfsquatch)
    hi ..

    i tried,
    but the keychain doesnt contain any password for an iphone backup item;

    i never choosed to encrypt my iphone backup. but today i found the checkbox selected in itunes.
    i dont want to encrypt anything. but when i try to deactivate it, itunes asks for a password.
    so i decided to not perform the backup ,, since i dont have the password.
    what the ****.

    itunes 9.0.1
    iphoneos 3.0.1

    thanks for your attention.


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