Use a terminal interface like or Cura's built-in monitor command line.
: A community-maintained version is available on Google Drive for easier access. Google Drive - Anycubic Chiron 1.3.5 Updated Installation Guide Screen Firmware Format a microSD card to FAT32. Place the screen firmware (often in a folder named or a specific file) on the root of the card. Insert the card into the slot under the LCD screen and power on the printer.
for a detailed explanation of why version 1.3.5 is required for newer TFT panels. coolio986's GitHub anycubic chiron firmware 135 download repack
If your bed or toolhead moves backward when homing, you may have mistakenly downloaded a repack intended for an upgraded motherboard or inverted stepper motor wiring. Is it Time to Move Past 1.3.5?
Ensures the printer shuts down if temperature sensors fail, preventing fires. Babystepping: Use a terminal interface like or Cura's built-in
: The most common tool utilizing the built-in "Update Custom Firmware" feature.
Place the firmware file (often renamed to update.swu or similar, depending on the specific repack instructions) into a folder named update at the root. Place the screen firmware (often in a folder
The incompatibility stems from the printer's TFT (Thin-Film Transistor) touchscreen panel. Anycubic produced two versions of the Chiron, each with a visually distinct screen, and the firmware is tied to the specific screen model.
The process for installing most custom Marlin builds (like Knutwurst's or coolio986's) is similar.
Do you have the or have you swapped it for a BigTreeTech board?
The most reliable sources as of 2025-2026 are: