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FLY-Super8 Bootloader (TF Card) Recovery

For brick recovery only
  • Please note that the factory has already pre-flashed bootloader, no need to flash again
  • When normally updating the Klipper firmware, please use the TF card process in the firmware compilation page

Entering Flash Mode​

  • There are two ways to enter flash mode
  • First method: With the mainboard completely powered off, short the BOOT jumper, then connect one end of a TYPE-C cable with data transfer capability to the mainboard and the other end to your device
  • Second method: After connecting one end of a TYPE-C cable with data transfer capability to the mainboard and the other end to your device, short the BOOT jumper, then press and release the RST button, and finally disconnect the BOOT jumper
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Flashing Firmware​

  • SUPER8 TF Card Bootloader Firmware
  • You can obtain the firmware via the following link:
  • You can obtain the firmware via the following link:
  • The firmware is located at
FLY-Firmware/MainBoard/SUPER
Power-off operation

Before connecting or reconnecting the USB cable, completely turn off the printer and disconnect all other power supplies. Do not let the tool board be powered simultaneously through the printer power supply and the USB interface.

USB connection compatibility

The USB interfaces on some computers may cause unstable flashing due to driver or signal compatibility issues. If the connection fails, try using a different USB interface on the computer or use a reliable-quality USB dock; when the error shown below appears, also check the USB connection and driver first.

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  1. Download and install SetupSTM32CubeProgrammer and the STM32 DFU driver from the auxiliary software download page.
  2. Save the firmware downloaded on this page to a location on your computer that is easy to find.
Windows file extension display

Windows may hide file extensions. In File Explorer, check "File name extensions" to confirm that the firmware is still .bin or .hex, and do not change the file extension.

  1. Confirm that the device has entered DFU flashing mode according to the product tutorial, then connect it to the computer using a USB cable that supports data transfer.
  2. Open STM32CubeProgrammer, select USB mode, refresh the device list, and connect.
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  1. If no error pop-up appears, the connection is successful.
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  1. Click the download icon on the left, and check the flashing options as shown in the figure below.
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  1. Click Browse and select the firmware to be flashed.
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  1. When flashing .bin firmware, set Start address to 0x08000000; when using .hex firmware, keep the address included in the file.
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  1. Click Start automatic mode to begin flashing.
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  1. When the success prompt appears, the firmware flashing is complete.
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