[q] odin shows pass but twrp not installed topic

Hi all,

I am not very conversant with these issues. I followed the instructions on how to install TWRP Recovery on Samsung Galaxy s4 i9505. Everything went well and Odin reported "Pass", my phone rebooted, but TWRP was not installed on my phone. I had tried to root the phone using Odin and to install Kitkat; the root was successful, but Kitkat was not installed! My phone is Samsung galaxy s4 i9505 build ..XXUBMEA. It appears that there is something preventing new firmware or recovery from installing. Please help.