iPhone 3GS Can't Be Detected

Discussion in 'iPhone Tips, Help and Troubleshooting' started by michael29angelo, Jan 17, 2015.

  1. michael29angelo, Jan 17, 2015
    Last edited: Jan 17, 2015

    michael29angelo macrumors newbie

    Jan 16, 2015
    My iPhone 3GS 6.1.6 can't be detected by iTunes, computer, and other softwares.

    • I've already tried using another USB and another computer but it didn't work.
    • The screen of my phone is completely black.
    • Whenever I try entering DFU or recovery mode, it won't work.
    • I tried charging the phone but nothing appears on the screen.

    What should I do? It is a second-hand phone and before these events happened, I've jailbroken this phone unsuccessfully. Please, help!
  2. Applejuiced macrumors Westmere


    Apr 16, 2008
    At the iPhone hacks section.
    Sounds like it has a hardware issue.
    Maybe the bottom usb dock on the phone is faulty.
    See if it has any dirt, dust, lint or anything down there. If its scratched, bent pins etc....

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