Firmware not flashing

I am very new to this so I appolgize if I do not explain my problem well.

I have a Pi connected to my network
I have downloaded the firmware-btt-octopus-11.bin file then changed the name to firmware.bin
I installed the file on a SD card and restart the printer.
The firmware.bin file on the SD card does not change to .CUR
I get a Kippy error MCU unable to communicate
I have the jumper removed and all wires unplugged from the board.

What am I doing wrong or what should step should I take to fix this?
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