Download the "Anycubic Chiron Firmware 1.3.5 Repack" from a trusted community forum or repository. Extract the contents to a dedicated folder on your desktop. Step-by-Step Installation Guide
Updating your Chiron firmware can bring several benefits, including:
You'll need:
Some users have reported issues where the screen stays blank or gets stuck during the update.
More stable handling of the matrix leveling system. anycubic chiron firmware 135 download repack
Send M303 E0 S210 C8 U1 (Tunes the hotend to 210°C over 8 cycles and saves it).
If you're stuck with a bricked Chiron or corrupted firmware, post in r/anycubic or the Anycubic Discord – many users have the verified 1.3.5 .hex file and can share the official one (non-repack). Download the "Anycubic Chiron Firmware 1
Power on the printer; a progress bar should appear to indicate the screen is flashing. Important Precautions
✅ Highly recommended for all Chiron owners. More stable handling of the matrix leveling system
Go to Settings > Printer > Manage Printers .
Connect to your printer and send the command: M502 (This resets the machine to the new firmware defaults).