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Before flashing the firmware, please read this section!!!

Notes
  • D5 has been pre-flashed with Katapult firmware since September 1, 2024.
  • After flashing BL once, there is no need to flash BL again (D5's BL is Katapult firmware).
  • BL is just a bootloader used to boot Katapult firmware, you still need to flash Klipper firmware.

Determine the Firmware You Need​

tip
  • Please note that you only need to flash one of the firmwares.
  • D5 can be connected to the host computer using the following two methods
  • USB Firmware (Most Commonly Used)
    • Advantages: Reliable and stable communication
    • Disadvantages: Data transmission may be affected if multiple USB devices are present
  • USB Bridge Firmware (Commonly Used When Using CAN Tool Board)
    • Advantages: Can connect multiple devices without occupying USB ports
    • Disadvantages: May cause issues like homing timeout when used with KlipperScreen.