The is the latest stock update, primarily designed to support newer TFT screen hardware. It is often difficult to find on the global site but is available via Anycubic's Chinese portal or direct zip download. Key Firmware Information
Open Cura Slicer and add the as your printer. Navigate to Settings > Printer > Manage Printers . Select your printer and click Update Firmware . anycubic chiron firmware 135 download repack