CP - 6921 Cisco Firmware


I just needing some assistance, I have a client that has Cisco 6921 phones and they are running version and they want to move from SCCP to SIP but i am not getting this to work.
I have firmware for 9.2, 9.3 and 9.4 version but i cannot get the phone to take them it will freeze at 0% and in the TFTP Server Log shows

“<SIP69xx.9-2-1-0.loads>: sent 1 blk, 480 bytes in 0 s. 0 blk resent [01/04 15:15:27.361]
Connection received from on port 49156 [01/04 15:15:27.459]
Read request for file <>. Mode octet [01/04 15:15:27.460]
File <> : error 123 in system call CreateFile The filename, directory name, or volume label syntax is incorrect. [01/04 15:15:27.460]”

I have look all over to try and find a solution, and i have spent about 2 full weeks on this and i am at a loss of what i can do. If anyone can help that would be great.

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