Reverting back to Original Elegoo Firmware & Software - OpenNeptune3D/OpenNept4une GitHub Wiki

How to revert back to Original Elegoo MCU Firmware:

• Format a MicroSD card to FAT32
• Download this firmware file ElegooSD-restore.bin
• Move the file to the root of the MicroSD, duplicate the file, name one X_4.bin, and the other elegoo_k1.bin
• Safely Eject the MicroSD
• Ensure your printer is powered off
• Insert the MicroSD into your printer
• Power on the printer and wait 2min

How to revert back to Original Elegoo eMMC image:

• Download and flash the relevant image files:

  N4 / N4 Pro

  N4 Plus / N4 Max

• Then follow Elegoo's Fix Package & Firmware Upgrade instructions.