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Thread: Firmware not compatable when trying to update 5.0.1 to 5.1.1

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I need some help. Every time I try and update my firmware through iTunes or software update on my device I get firmware not compatable error. I am currently on
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  1. #1
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    Default Firmware not compatable when trying to update 5.0.1 to 5.1.1
    I need some help. Every time I try and update my firmware through iTunes or software update on my device I get firmware not compatable error. I am currently on 5.0.1 and trying to update to 5.1.1. Please help. I'm getting really frustrated.

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    Livin the iPhone Life xboxbml's Avatar
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    Are u currently jailbroken?...if so, I would make sure u do a clean backup, then do a DFU mode restore... If jailbroken, do u unlock?..

    What phone do u have?

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    I am jailbroken on 5.0.1. I don't unlock. Its an iphone4.

    What do you mean with a clean backup.

  4. #4
    2k1
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    Sug Luv Super Moderator 2k1's Avatar
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    Don't restore from a backup he means do a fresh restore

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    Sorry to be a pain but what do I do.

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    Put your device into recovery mode, plug it into your computer, and click restore. You can look it up on YouTube for a better demonstration. Search "how to restore *****"

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    Livin the iPhone Life xboxbml's Avatar
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    No, 2k1, what I meant by a clean backup is...this is what I do...over time regular backup files can get corrupted...what I do(for my wifes phone) is rename the current backup folder in userid/appdata/roaming/apple computer/mobilesync/backup to same name but with date-time in there too..that makes iTunes create a new "clean" backup..

    Then I will use that backup and restore from it...like I said..only on wife's phone...she has game data she doesn't want me to mess up...if u don't care about game data or texts etc and have everything backed up outside iTunes backup somehow, then yes, restore as new phone, not from backup...

    Anyway supershev, if u care about game data etc, use the clean backup/restore method...if u don't, restore n setup as a new phone not from backup...I would put phone in DFU mode first either way....
    Last edited by xboxbml; 08-14-2012 at 02:41 PM.

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