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Thread: USB Communication Problem

  1. #1
    Default USB Communication Problem
    Help! I'm trying to jailbreak an iPhone 3G, 16GB.
    I pointed at 4.2.1 firmware, same as the ones used on it.
    But then Redsn0w told me "USB communication problem."

  2. #2
    Retired Moderator 2k1's Avatar
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    Jan 2011
    Hammond Louisiana
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    Did ya try a different port?

  3. #3
    xD I tried a different port, doesn't work either.
    Used 0.9.9b8, but now using 0.9.6rc19
    The 0.9.6rc19 works, but the 0.9.9b8 doesn't. weird, I think iPhone 3G on 4.2.1 isn't on jailbreak development anymore, so they didn't care about the bugs within the 3G on 0.9.9b8

  4. #4
    Kicout if DFU and replug with different USB Port
    Close and Open Redsno0w
    select ISPW now and try

  5. #5
    I'm having the same trouble. I've tried different USB cables and different ports but still no luck. I think it's got something to do with trying to use a custom ipsw and pwnage tool to move up to iOS 5.0.1 from 4.3.5 when I had been using redsn0w. ... but it could be a coincidence. At least I got past the unknown error 1600 message! ...

  6. #6
    Retired Moderator Zwayne's Avatar
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    Independence, LA
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    Try restarting your pc or mac.

  7. #7
    I think you have two different issues here:

    USB problem: Try to hook the USB iPhone charging cable directly to USB port on the computer. Don't go through any USB hub or extension cable.

    Error 1600: The iTunes error 16xx means that the host file is redirecting Apple's server to Cydia. Run TinyUmbrella; go to Advanced tab and uncheck Set Hosts to Cydia ...; exit Tiny Umbrella; reboot system

    Hope this help... Good luck

  8. #8
    Default Software Glitch
    It isn't a USB issue. The 0.9.6rc19 works but none of the 0.9.9 versions do. It's a software glitch of some kind that probably was introduced when adding support for newer OS revisions. Use 0.9.6rc19 - it's easy enough to get.

  9. #9
    Default Issue seems to be a mac problem
    I had the same USB issue with the 0.9.10b6b on the mac. Rebooted, restarted, switched ports etc. Switched over to my work pc and it went through like a charm

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