To be honest, there are some connectivity issues with the Casual r734. I'd suggest using Casual r634 on Rootz which will connect just fine. Make sure you have Java 7 installed and the Samsung drivers.
Recovery my friend. Zips are flashed in recovery however "tar" and "tar.md5" files are flashed in Odin.
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thank you very... so recovery, reboot and I should be good......