Communities like Reddit (r/anycubic) and Facebook Anycubic Chiron User Group often maintain Google Drive or Dropbox mirrors. Verify file checksums if possible.
Shut down any other software (like Pronterface or OctoPrint) that might be using the COM port. 2. Flashing via Cura and ensure the "Anycubic Chiron" printer is selected. Manage Printers Update Firmware Upload Custom Firmware Browse to the downloaded file from the v1.3.5 zip folder. Wait for the progress bar to complete. Do not unplug the cable during this time. Nikko Industries 3. Post-Update Reset Once the flash is finished, you reset the EEPROM to ensure the new settings take effect: On the printer touchscreen, navigate to to confirm it shows Send the commands followed by via a terminal (like Cura's Monitor tab or Pronterface ) to reset and save factory defaults. ⚠️ Critical Warnings Screen Firmware: Anycubic Chiron Firmware 1.3.5 Download
which are designed to support both the old and new TFT panels. Wait for the progress bar to complete