Need Help Unbricking!

okay so I had no clue want I was doing and just rooted my Samsung s6 sm-g920i (optus), Worked like a charm went straight to get twerp also worked with no problems then i tried to get xposed now heres where the problem began, it said i needed to manually flash the frameware so i did and it 'failed' couldn't find what was wrong utill it tried the arm64 version ,at this point i had no idea what i was doing and still dont, and then tried to flash it. SUCCSESS twrp says, i got to start my phone and it just doesnt its stuck in a bootloop i try to get the stock framework couldnt find 5.1.1 so i tryed 5.0.2 and it just kept saying failed, then i went into twerp and tried to facory reset it and it didnt work so i went into advanced wipe and ticked everything hit restart 'you have no os on this phone' then tried stock firmware through odin and it didnt work again. So any advice

http://forum.xda-developers.com/xpos...posed-t3072979