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Cannot upgrade to Ios 4

This is a discussion on Cannot upgrade to Ios 4 within the iPad OS forums, part of the Apple iPad Discussions category; Im currently running 3.2.2, Cannot jailbreak it so im upgrading to IOS 4. But i keep getting errors like 2002, 21 and some others. Tried ...

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  1. 09-25-2010 03:49 PM #1
    blizzer3 [OP]
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    Cannot upgrade to Ios 4

    Im currently running 3.2.2,
    Cannot jailbreak it so im upgrading to IOS 4.
    But i keep getting errors like 2002, 21 and some others.
    Tried being in recovery mode.
    Last edited by blizzer3; 09-25-2010 at 04:21 PM.
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  2. 09-25-2010 03:49 PM
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  3. 09-25-2010 04:05 PM #2
    epb
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    IOS4 isn't available for the iPad - it's intended for the iPhone. IOS4.2 will be out for the iPad in November. If you're using the Beta version for the iPad, I think you need a developer IDfor it to work.
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  4. 09-25-2010 04:16 PM #3
    wdpower
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    Why can't you jb?
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  5. 09-25-2010 04:20 PM #4
    blizzer3 [OP]
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    Quote Originally Posted by epb View Post
    IOS4 isn't available for the iPad - it's intended for the iPhone. IOS4.2 will be out for the iPad in November. If you're using the Beta version for the iPad, I think you need a developer IDfor it to work.
    Oh sorry i ment 4.2 :=)
    I got it and thats when i try installing i get the error.
    I got a developer ID

    You cannot JB 3.2.2
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  6. 09-26-2010 05:49 PM #5
    f4780y 
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    Put your iPad into DFU mode and a restore to 4.2 beta 1 will work fine provided your UDID is registered as you said.
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  7. 09-28-2010 02:11 AM #6
    blizzer3 [OP]
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    Quote Originally Posted by f4780y View Post
    Put your iPad into DFU mode and a restore to 4.2 beta 1 will work fine provided your UDID is registered as you said.
    I keep getting those errors. I tried DFU and recovery The UDID is not checked until you installed it when you start it up. And yes im registered with UDID.
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  8. 09-28-2010 04:23 AM #7
    f4780y 
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    Provide some details about the desktop setup please. That might help...

    Also, I'm just checking because lots of people tell me they tried DFU and it didn't work, when actually they didn't know what DFU was and weren't doing it properly, you are absolutely sure you tried in DFU mode, yes?
    I've never known a properly done DFU restore to fail... If everything is set up as you said, udid registered, hosts file pointing at apple, not Cydia, and DFU mode on the iPad, then there is nothing that should stop it from working other than faulty hardware.
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  9. 09-29-2010 11:51 AM #8
    blizzer3 [OP]
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    Quote Originally Posted by f4780y View Post
    Provide some details about the desktop setup please. That might help...

    Also, I'm just checking because lots of people tell me they tried DFU and it didn't work, when actually they didn't know what DFU was and weren't doing it properly, you are absolutely sure you tried in DFU mode, yes?
    I've never known a properly done DFU restore to fail... If everything is set up as you said, udid registered, hosts file pointing at apple, not Cydia, and DFU mode on the iPad, then there is nothing that should stop it from working other than faulty hardware.
    i did the correct DFU mode
    Anyhow i fixed it,
    used another computer and it worked fine.
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  10. 10-01-2010 08:50 AM #9
    George Knighton
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    Quote Originally Posted by blizzer3 View Post
    Quote Originally Posted by f4780y View Post
    Provide some details about the desktop setup please. That might help...

    Also, I'm just checking because lots of people tell me they tried DFU and it didn't work, when actually they didn't know what DFU was and weren't doing it properly, you are absolutely sure you tried in DFU mode, yes?
    I've never known a properly done DFU restore to fail... If everything is set up as you said, udid registered, hosts file pointing at apple, not Cydia, and DFU mode on the iPad, then there is nothing that should stop it from working other than faulty hardware.
    i did the correct DFU mode
    Anyhow i fixed it,
    used another computer and it worked fine.
    I'm not exactly sure why, but I couldn't do it yesterday, either, although it worked perfectly fine today!

    No idea.
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