Install ((hot)): Qidi Xplus Firmware

Insert the USB flash drive into the USB port on the printer.

Download the firmware ZIP file specifically marked for the original X-Plus. Step 2: Prepare the USB Drive Extract the downloaded ZIP folder on your computer.

If using an X-Plus 3, rerun PID calibration for both the nozzle and heated bed via the Fluidd/Mainsail web interface to ensure stable thermal management. Troubleshooting Common Installation Failures Printer Ignores the USB Drive qidi xplus firmware install

Clear any existing files from the drive to prevent read errors.

Re-format the USB to FAT32, use a smaller USB drive, or try a different one. Ensure files are in the root, not a folder. Insert the USB flash drive into the USB port on the printer

Your USB drive is likely too large or incorrectly formatted. Try a different USB stick under 16GB, format it to FAT32, and ensure the firmware file is not trapped inside a folder or renamed. The Screen Goes Blank or Stuck on the Loading Logo

folder to the root directory (the top level) of a FAT32-formatted USB stick. Initiate Update Insert the USB stick into the printer. Navigate to (often a suitcase icon). The printer should detect the update. Click Offline Update Completion : Wait for the printer to finish and restart automatically. Do not turn off the printer during this process. Online Update (Direct Method) Available for newer models like the QIDI Plus4 (V1.4.0 and later) and Ensure your printer is connected to Wi-Fi. Navigate to on the touchscreen. Check for updates If using an X-Plus 3, rerun PID calibration

Option 2: Recovery via EMMC Flashing (For Bricked or Corrupted Systems)