Strange problem with iPhone?

My dad's iPhone completely discharged yesterday. After he plugged it in it booted but instead of the normal lock screen it appeared a lock-screen with ios6 which said the iphone must be connected to iTunes. I tried to restore it, but itunes threw error-1.A little help?

Drop it in a hippos tree moo.
I like moos.

Try dfu mode hold both the power botton and the home botten at the same time whine it is pluged in to the pc (not a mac) do it fir 20 sec

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