Can't restore my stock iphone 3G/ error 1604

Discussion in 'iPhone Tips, Help and Troubleshooting' started by Judge Mils, Apr 19, 2011.

  1. Judge Mils macrumors newbie

    Apr 19, 2011
    Firstly, I have to say I am a novice at all of this stuff.
    I have a stock iphone 3g. iOS is 3.1.2 (7D11). Modem Firmware is is 05.11.07. I am using a MacBook Pro as my "desktop"

    I was preparing to jailbreak my phone to 4.2.1. Per my research, I downloaded Tinyumbrella (v4.30.05) to save any SHSH blobs...not really sure I needed to do this given that I have a stock phone.

    Now, I can't restore or update my iphone; this is the message I get: "iphone could not be restored. This device isn't eligible for requested build."

    When I run Tiny umbrella in "recovery mode" while I try to restore through itunes, I get this message: "The phone cannot be restored. An unknown error occurred (1604)."

    Please help me restore my phone to it's factory settings!!!!!
  2. ellsworth macrumors 6502a

    Jun 13, 2007

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