8x9 Firmware Update
Video showing how to do this as well.
To get into the update screen
Direct connect PC to Matrix switch
Change IP address on PC to be in the same range of the matrix
Example:
192.168.1.123
255.255.255.0
Press and HOLD the UP and ENTER buttons
Power the switch off and on - you should here 3 beeps
Type in the IP address of the switch by default 192.168.1.80
Upload the firmware file
Once that is done factory reset the switch by the following
press recall twice
press up twice
press down twice
you should here 1 beep
power the switch off and on again