The most reliable sources as of 2025-2026 are:
You can do this via the printer’s LCD screen or by sending G-code commands through a terminal interface like Pronterface: Send M502 to load the new firmware factory defaults. Send M500 to save these settings to the EEPROM. Recalibrate Your Printer
Community forums are the primary source for the "repack." While many users have successfully obtained the file this way, you are downloading from an unofficial source. Always use a reputable antivirus program to scan any file you download.
: The first and most recommended place to look for firmware updates is the official Anycubic website. Navigate to the support or downloads section, and search for the Chiron model. There, you should be able to find the latest firmware versions available for download. anycubic chiron firmware 135 download repack
Using a slicing software like Cura is the easiest way to send the firmware to the printer. Launch . Go to Settings > Printer > Manage Printers .
Official firmware for the Anycubic Chiron is based on Marlin—the open-source 3D printer firmware. Version 1.3.5 (often stylized as v1.3.5) was one of the last official stable releases before Anycubic shifted focus to newer machines like the Kobra series.
If your automatic leveling sensor fails to register after the update, the repack you downloaded may have an inverted logic setting for the Z-probe. Double-check the download notes to see if it was configured for normal or inverted probe switches. The most reliable sources as of 2025-2026 are:
The "anycubic chiron firmware 135 download repack" search leads to community-driven sources rather than official channels.
The firmware update involves flashing both the motherboard and the TFT screen. : Connect the printer to your PC via USB.
The repack changes the probe pin from Z_MIN to PROBE . Fix: Adjust the jumper on the Trigorilla board from "Z-" to "PROBE" (near the servo pins). Or edit Configuration.h if compiling yourself. Always use a reputable antivirus program to scan
Let me know how you would like to proceed with your Chiron configuration. Share public link
Search GitHub for "Anycubic Chiron Marlin Repack" or "Chiron 1.3.5 Custom" . Look for repositories maintained by active community members. These repositories usually contain both the compiled .hex file and the raw source code. 2. Facebook Community Groups