iPhone 4 recovery mode error

Discussion in 'iPhone Tips, Help and Troubleshooting' started by superchaos, Feb 19, 2013.

  1. superchaos macrumors newbie

    Feb 19, 2013
    Today i was updating my iphone for the first time which took an hour then got the error:the iphone 4 could not be restored an unknown error occured (1604)

    I guess its stuck in recovery mode now with the dsl and itunes icon only on the screen.Even if i plug into iTunes it wont read my phone.YouTube videos really haven't done much help :( some updated directions would be nice for this situation.THX
  2. PsstGreek macrumors 68040


    Oct 21, 2010
    Tampa Bay
    You need to put your iPhone in DFU mode then restore.

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