Hi,i was about to update my software version of i phone 4,but suddnley power went off.now my phone is not recognised ,and my phone doesn't work,how to reinstall operating system,please help me.....

hi,i was about to update my software version of i phone 4,but suddnley power went off.now my phone is not recognised ,and my phone doesn't work,how to reinstall operating system,please help me.....

Put the device in DFU mode: http://www.iclarified.com/entry/index.php?enid=1034

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    Hello,
    This will fix your problem!
    To put the device in DFU mode,
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