2 days past my phone is still uptating :(

[koray turhan]

2 days pasts put my phone is still updating...

while ı was updating my phone two wheels are turning for nearly 2 days than ı couldn't open my phone
ı am trying to install the system files but zune couldn't see my device . my phone stuck in a white screen which is three barcode on the screen .
what can ı do after this ?

 

[playergoodi]

Sounds bricked..you need to flash it.

 

[koray turhan]

how can I do it ??

 

[playergoodi]

http://gizmophiliacs.com/2013/04/how-to-flash-a-bricked-nokia-lumia-820920wp8/