Need to reload all phone files for my Galaxy S3 GT-i9300 as it is bricked

[AC Question]

I recently managed to have my Galaxy S3 GT-i9300 bricked trying to restore deleted text messages. I now need to reload all of the Firmware, ROM files, Odin etc for AUSTRALIA.Can anyone help - pls

 

[dpham00]

Mod Note, I will move this to the s3 forum for more visibility