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iPhone 3GS refuses to sync

28651 Views 50 Replies Latest reply: Feb 2, 2013 6:25 AM by sidewinder96 RSS
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RoosterHat Calculating status...
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May 25, 2010 6:07 AM
My iPhone 3GS won't sync properly with my Windows 7 x64 computer, running 9.1.1.12 iTunes and the latest iPhone patch software. However, when I plug it in, iTunes becomes unresponsive for approximately 2 minutes (I can't maximize the iTunes window), and then reports that it was unable to sync for several different reasons, such as "An internal device error occurred," "An unknown error occurred (the numbers include the "0xE" numbers as well as other numbers," and sometimes the iPhone doesn't even show up under the Devices tab. After I see these error popups, I'm greeted with the screen telling me that "An iPhone has been previously synced with this computer. Please set up as a new iPhone or restore from backup." However, attempting to restore the iPhone from backup fails, as the computer responds "The backup session failed." I've tried updating the iTunes software, the iPhone software, and the Apple Mobile Device Driver. Of course I've tried rebooting the computer and resetting the iPhone. I've also uninstalled iTunes and all of its components (Bonjour, iTunes Helper, Apple Software Updater, etc.), but with no results. Help, please?
iPhone 3GS, Windows 7
  • DaVBMan Level 6 Level 6 (9,265 points)
    Currently Being Moderated
    May 25, 2010 6:11 AM (in response to RoosterHat)
    Does anything here help:
    http://support.apple.com/kb/TS1275

    Note if you scroll there is a section about specific error codes.
    Windows XP Pro, iPhone (1st Gen) | AppleTV
  • SpyderShrike Calculating status...
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    May 27, 2010 3:35 PM (in response to RoosterHat)
    I'm having the exact same issues here. It's a different error message each time I connect as well. I've searched google for hours with no results. Any help with this issue would be appreciated.
  • chrisby Calculating status...
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    Jun 1, 2010 6:31 AM (in response to RoosterHat)
    I'm having the exact same issue. I have Windows 7 x64 & the latest iTunes version.

    Tried syncing my iPhone 3GS tonight and got a timeout error whilst syncing. D/C and plugged iPhone back in - then had 3 errors at once: 'required file cannot be found'; an unknown error occurred (-48); an internal device error occurred.

    Now when connected iPhone it prompts that 'set up new iPhone' or 'restore from backup' and the restore comes up with the 'backup session failed' error.

    I can't figure it out, and can't find an answer anywhere. I'm kinda glad I'm not the only one with the problem, but it's a royal pain.
    Alienware M15X, Windows 7
  • LAE Calculating status...
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    Jun 2, 2010 12:06 PM (in response to RoosterHat)
    I have exactly the same problem and I am using a Mac, software all up to date. Help please!
    G5 and powerbook G4, Mac OS X (10.5)
  • chrisby Level 1 Level 1 (15 points)
    Currently Being Moderated
    Jun 4, 2010 4:04 PM (in response to RoosterHat)
    I managed to get mine to work. I didn't do anything special. I just kept trying to restore from backup on iTunes. After many attempts, it finally finished instead of failing - although it did take literally over an hour. Was on '1 minute remaining' for most of that hour so almost gave up several times.

    I haven't resynced since - so I'm not sure whether it's going to be an ongoing problem (I hope not). I might try after work today.
    Alienware M15X, Windows 7
  • Alex Cue Calculating status...
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    Jun 7, 2010 8:30 AM (in response to RoosterHat)
    Add me to the list, Win 7 64bit. All of a sudden this issue started, and i can't get it to sync with my computer.
  • nedjo Calculating status...
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    Jun 19, 2010 5:29 AM (in response to RoosterHat)
    Same problem with my windows 7 x64. Sometimes it syncs normally but sometimes it takes hours to catch a moment that both itunes, my computer and my iphone show clemency to me. i thought it is solved with new itunes update but nothing. itunes with win7 x64 *****. i'm pulling out from my iphone 3gs. thank you apple.
    iphone 3gs, iPhone OS 3.1.3, windows 7 x64
  • Mograk Calculating status...
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    Jun 22, 2010 7:52 AM (in response to nedjo)
    Same exact issue. Anyone find anything that works yet?
    Custom, Windows 7, 64 bit
  • mdcosta911 Calculating status...
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    Jun 22, 2010 7:58 AM (in response to RoosterHat)
    Uhh.. that's not the latest version of iTunes..?
    MacBook 2.2 dual-core, 2gb ram, Mac OS X (10.6.4)
  • nedjo Level 1 Level 1 (0 points)
    Currently Being Moderated
    Jun 22, 2010 8:04 AM (in response to RoosterHat)
    i have found sth on the forums and it worked for me. i unclicked power management of usb root hub. you could find it in device manager-right click on usb root hub-and click preferences-in an opened tab click power management and unclick the power saving thing. hope it works for both you.
    iPhone OS 3.1.2
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