WARNING:
Flashing this will trip you Knox flash and officially void your warranty.
You must use Odin to flash this. I am not going to tell you how to do that (there are lots of references on the web).
Download:
* Current: 2014-03-17 for Tab Pro 8.4 Wifi : All variants
* For CM11 builds before 2014-03-13: cwmr-2014-03-02 for Tab Pro 8.4 Wifi USA ONLY
Change Log
* 2014-03-17: Added support for SM-T320XX (everything outside of north america)
* 2014-03-13: Set the build device name correctly
* 2014-03-02: Add external sdcard support.
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일단 제 갤탭8.4프로wifi에서 테스트 해봤는데 잘 작동되네요...^^
출처 : http://forum.xda-developers.com/showthread.php?t=2666232