: Occasionally, batch files like DFU-upload-firmware.bat are included to automate the update process. Why Users Download These Files
: Use a tool like WinRAR or 7-Zip to extract the archive. Download 2209 rar
: Place the firmware.bin on a FAT32-formatted SD card, insert it into the powered-off printer, and turn it on. : Occasionally, batch files like DFU-upload-firmware
: Connect the board to your PC while holding the "Boot" button and run the provided upload script. insert it into the powered-off printer