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  1. #1
    Join Date
    Feb 2010
    Orange NJ

    Unhappy 3gs *error 21* help

    my iphone 3gs is stuck in DFU mode.. the screen is black and turns white when i plug it into the computer. i tried to jailbreak it and still get errror 21. i took it to the apple store and they told me to buy a new one.. HELP PLEASE... what should i do?

  2. #2
    Text me if You trying to sell it 973-954-0656

  3. #3
    Brand Spanking Noob
    Join Date
    Jan 2013
    i had the same before. its some fuse or something on the motherboard. you have to take it to a cell phone repair store and they have to solder a new one in.


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