Unable to restore iphone 4s.Error message 2001.

hi
i updated my iphone 4s to ios8. Phone went off due to no battery, when i switch on, its rebooting over and over.Now i tried restoring the phone but the error message 2001 saying i am unable to restore.
Need some advice
Thank you

iphone1 wrote:
I had the same problem.  To fix it, I first tried a different computer and different USB cable.  When the error still appeared on the different computer and different USB cable, I unplugged the USB cable from the iPhone, opened up the iPhone and disconnect the battery from the iPhone main logic board (three screws).  I left it unplugged for a few hours.  Plugged back in the battery connector and then restored in iTunes.  Hope this works for you.
Um, no.  Opening up the iPhone voids all support from Apple.  Do not make recommendations on this forum that will violate Apple's policies or procedures.

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