The screen will display an updating graphic. Wait until it completes and boots into the main menu. Important Safety and Troubleshooting Tips

Copy the extracted firmware files directly to the root directory of the USB drive. Do not place them inside any folders. You will typically see files named with extensions like .cbd , .bin , or UI folders. Execute the Flash: Turn off the 3D printer using the main power switch.

Resolves issues with connectivity, screen freezing, or extruder glitches.

Type the printer’s IP address into your web browser to open the or Mainsail dashboard. Navigate to the Configuration or Update Manager tab.

QIDI X-Plus Firmware Install Guide: Step-by-Step Updating the firmware on your (and subsequent X-Plus 3/4 series) is one of the most effective ways to improve print quality, enhance functionality, and resolve minor operational bugs. As of 2026, QIDI continues to refine its Klipper-based system, making it essential to keep your machine updated.

If your Klipper system fails to boot, you must re-image the internal EMMC chip.

Ensure the USB drive is under 32GB and strictly formatted to FAT32. High-capacity USB 3.0/3.1 drives often fail to initialize during early boot sequences. Try an older USB 2.0 drive.

If the printer boots normally to the home screen without updating, try a different, smaller USB drive (8GB or 16GB is ideal).

After a successful firmware installation, perform these steps to ensure your printer is ready for production: