XB24-Z7WIT-004 Firmware Problem

Hi friend i need help regarding communicatinng xbee Xb24-z7wit-004.i am not able to communicate it with x-ctu…
i have tried to download the new firmware but no sucess.
i want to use xbee in direct mode. so which version should i download into xbee.
I have tried to use terminal window to reset xbee and enter into bootloader but no sucess.

I am using serial board with xbee to comm with pc

Plz help me to solve this.

thanks in advance…

Did you try the below links,
screen shots of errors would be helpful.

I am facing the same issue with the same part number.
The module is not detected by X CTU at all.

I have two sets and both have the same issue.