All you should have to do is flash a stock firmware from odin look in the android development section there are link to them in there
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Try here http://xdaforums.com/showthread.php?t=2528707 and you will have to use Odin to flash it.I'm having trouble finding a link for the software after the OTA update. The links I found said if I did the OTA update the device will still soft brick. Any help will be much appreciated.