After updating mainsail and all core components, SSH into the RPI.

Place a jumper on BT0 and 3.3v and press the reset button on the board to put it in DFUtil mode

Send the following to verify the Pi can communicate with the Spider and notate the ID for DFU Mode

lsusb

Next you need to build the firmware binary file. Run the following

cd ~/klipper

make clean

make menuconfig