Anycubic Chiron Firmware 135 [top] Download Repack May 2026

Editorial Brief: “Anycubic Chiron Firmware 135 Download Repack”

Purpose

• Inform readers about what the “Anycubic Chiron firmware 135 download repack” refers to.
• Explain risks, legality, and when a repack might be used.
• Provide a clear, step-by-step safe approach for locating, verifying, and installing firmware (including alternatives).
• Give troubleshooting, rollback, and best-practice guidance.
• Offer a concise conclusion and recommendations.

Target audience

• Owners of Anycubic Chiron 3D printers with intermediate technical skill (comfortable with firmware flashing, USB/SD card use, and basic electronics).
• Readers seeking a prepackaged (“repack”) firmware bundle rather than official incremental updates.

Structure and tone

• Clear, practical, neutral, and safety-first.
• Use headings for each major section.
• Use numbered steps for procedures and bullet lists for quick items.
• Include bolded key warnings and concise technical commands or file names in code blocks.

Word count

• 1,200–1,800 words (comprehensive but readable).

Outline and content

1. Headline and Deck (2–3 lines)

• Headline: Anycubic Chiron Firmware 135: How to Find, Verify, and Safely Install a Repack
• Deck: What a “repack” is, why people use them, and how to do it safely—plus recovery and alternatives.

2. Intro (100–150 words)

• Define firmware repack (a redistributed or bundled firmware package that may include modified configs, bootloaders, or additional files).
• Briefly summarize key risks (bricking, warranty voiding, security, incorrect settings).
• State the article purpose: provide safe, practical steps and alternatives.

3. What “Firmware 135 Repack” Means (120–180 words)

• Explain versioning: clarify what “135” likely refers to (firmware build/release number) and that naming conventions vary.
• Describe “repack” variants: official repack (vendor-provided bundle), community repack (forum/shared builds), and modified repack (custom changes like Marlin tweaks, custom start G-code, EEPROM presets).
• Note common components included: firmware binary (.bin/.hex), bootloader, config files, README, custom profiles, precompiled Marlin builds.

4. Legality, Warranty, and Safety (120–180 words)

• Legal: flashing firmware you obtained legitimately is generally legal; redistributing copyrighted firmware without permission may be unlawful.
• Warranty: Warning — third-party or modified firmware may void warranty.
• Safety: incorrect firmware can cause hardware damage or pose fire risks. Emphasize backups and careful verification.

5. How to Source a Repack Safely (step-by-step; 12–16 steps)

• Prefer official sources first: Anycubic support/downloads and official GitHub repositories.
• If using community builds: prefer reputable sources (large community forums, GitHub releases, known maintainers).
• Check timestamps, release notes, and changelogs.
• Verify files: checksums (SHA256) and PGP signatures if provided.
• Inspect included files: look for unexpected executables, scripts, or network connections.
• Avoid unknown file-hosting links and archived bundles from untrusted sources.

6. Verification Checklist (short bullets)

• Does the repack include a README with exact printer model compatibility?
• Is checksum or signature available and correct?
• Is the firmware build based on a known codebase (e.g., Marlin X.Y)?
• Are default motor/thermistor/limit-switch settings documented?
• Are bootloader instructions present?

7. Preparation Before Flashing (numbered steps)

1. Record current settings: note EEPROM values, steps/mm, PID, max feedrates, bed size.
2. Backup EEPROM using the printer menu or M503/M500 (for Marlin).
3. Save any custom start/end G-code, slicer profiles, and calibration files.
4. Ensure stable power and avoid interruptions (use UPS if available).
5. Format an SD card as FAT32 and copy only the needed firmware file.
6. Disconnect nonessential peripherals.

8. Installation: Step-by-step Flashing Guide (Marlin-style, numbered)

• Method A: SD card flash (recommended if supported)
  1. Place firmware binary file (e.g., firmware.bin) on the SD root.
  2. Power off printer, insert SD card, power on.
  3. Wait for bootloader/firmware to detect and install; do not interrupt.
  4. After flashing, remove SD and reboot.
• Method B: Bootloader/USB flashing (for advanced users)
  1. Use documented tools (e.g., Cura/Pronterface to send M997 or avrdude/STM32CubeProgrammer depending on board).
  2. Follow repack-specific bootloader instructions.
• After flash:
  1. Check firmware version on LCD or via M115.
  2. Restore EEPROM if necessary or factory-reset per instructions.
  3. Verify homing, endstops, thermistor readings, and temperature stability before printing.

9. Post-Flash Validation Tests (numbered checks)

1. Endstops: home each axis and confirm correct behavior.
2. Motors: jog each axis slowly, check direction and full travel limits.
3. Temperatures: heat bed and nozzle to typical setpoints; confirm stable readings and correct PID behavior.
4. PID autotune (if recommended): run and save results.
5. Movement calibration: test extruder steps and steps/mm for axes with a calibration print or ruler check.
6. First-print checklist: small test print at low speed, constant supervision.

10. Troubleshooting Common Problems (table or bullets)

• Printer won’t boot: reflash official firmware, check SD card naming and format.
• Endstops inverted or motors reversed: invert settings or swap wiring; test safely.
• Thermistor errors: ensure correct thermistor type selection; do not print if temperatures unstable.
• EEPROM mismatch: perform factory reset or send M502/M500 sequence for Marlin.

11. Rollback and Recovery Steps

• How to restore original firmware from official download or backed-up binary.
• Using bootloader recovery or flashing via USB/ISP.
• If bricked: contact manufacturer support or community guides; avoid DIY power/hardware fixes if unsure.

12. Alternatives to a Repack

• Use official firmware updates.
• Build custom firmware from source (Marlin) tailored to your exact hardware; advantages: transparency and controlled settings.
• Use community forks with active maintainers and clear changelogs.

13. Security and Privacy Notes (short)

• Avoid firmware that exfiltrates data or adds remote-control features unless audited.
• Prefer signed releases and known maintainers.

14. Example Resources (concise list)

• Official Anycubic support/download page (recommend checking first).
• Marlin firmware official repo and build instructions.
• Reputable community hubs (e.g., GitHub, major printer forums like Reddit r/3Dprinting) — instruct readers to evaluate credibility.

15. Conclusion and Recommendation (60–100 words)

• Recommend official or well-audited community builds; use repacks only with verification.
• Emphasize backing up settings, verifying checksums, and running staged tests after flashing.
• If unsure, suggest building from source or seeking help from the community.

Sidebar / Callouts (short snippets to place in article)

• Quick safety checklist (power, SD format, backups).
• One-line warning: “Flashing third-party firmware may void warranty and can brick your printer—proceed with caution.”
• Quick command snippets: M503, M500, M502, M115, M997 (label function for each).

Editorial Notes for Publication

• Include screenshots for the flashing steps (SD root, firmware file name, LCD showing version), and annotated sample README from a safe repack example.
• Provide code block examples for common G-code commands and format them as:

  M503 ; report settings
  M500 ; save settings
  M502 ; reset to defaults
  M115 ; get firmware info
  

• Ensure any linked third-party repacks used as examples are from reputable sources and that you do not publish links to pirated or malicious builds.

Metadata / SEO

• Suggested keywords: Anycubic Chiron firmware, firmware 135, firmware repack, Chiron Marlin, flash Anycubic Chiron, firmware download.
• Suggested meta description (max 160 chars): How to safely find, verify, and install Anycubic Chiron firmware 135 repacks—steps, verification, rollback, and alternatives.

Fact-checking and legal review

• Verify current Anycubic support pages and firmware versioning at publish time.
• Add a short legal disclaimer about warranty and liability for modifications.

Ready-to-publish checklist (bulleted)

• [ ] Official firmware link(s) verified and up to date.
• [ ] Checksums and verification steps tested.
• [ ] Screenshots captured and annotated.
• [ ] Troubleshooting and recovery steps validated on hardware or by community sources.
• [ ] Legal/warranty note added and reviewed.

If you want, I can draft the full article text from this brief (1,200–1,800 words) ready for publication—tell me which tone (concise tutorial, in-depth guide, or community FAQ) and I’ll produce it.

The Anycubic Chiron firmware version 1.3.5 is a specific update primarily intended for newer Chiron models equipped with a specific TFT panel (blue/yellow theme). Unlike the more common v1.3.0, this version is often not listed on the standard global support pages and typically requires a direct request from support or access to localized repositories. Firmware 1.3.5 Availability & Key Details

Official Source: Historically, Anycubic has distributed v1.3.5 mainly upon request via customer service.

Direct Download: A known link to the official Chinese repository for the v1.3.5 zip package is available at cn.anycubic.com. Hardware Compatibility: Old Panel (White/Blue): Requires v1.3.0.

New Panel (Blue/Yellow): Requires v1.3.5 to maintain full feature support.

Warning: Flashing the wrong version or attempting to flash the screen with incompatible files can brick the display. Update Procedures

There are two primary methods for updating the Chiron firmware: Cura Method (via Data Cable): Connect the printer to your PC via a USB cable.

In Ultimaker Cura, navigate to Settings > Printer > Manage Printers. Select the Chiron and click Update Firmware.

Choose Upload Custom Firmware and point to the downloaded .hex file. USB Method (via SD/USB):

Format a USB drive (max 16GB) to FAT32 with a 4096-byte allocation.

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.

Insert the drive and navigate to the firmware version screen on the printer's display to trigger the update. Anycubic Chiron Firmware Update - How to Install!

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Conclusion: Is the 1.3.5 Repack Worth It?

Absolutely. If you have an Anycubic Chiron running stock firmware from 2019-2020, the Anycubic Chiron firmware 135 download repack is the single best upgrade you can make—completely free.

You will gain:

• Thermal runaway protection (safety)
• Reliable mesh bed leveling (fewer failed first layers)
• Filament change/pause/resume (less waste)
• A responsive, feature-rich LCD menu

Just remember to download only from trusted GitHub repositories, follow the LCD update order, and reset your EEPROM. Your Chiron will feel like a brand new printer.

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Disclaimer: Modifying firmware carries inherent risk. Always verify your motherboard version (Trigorilla 0.0.x) before flashing. This guide is for educational purposes. The author is not responsible for bricked printers or print failures.

Last updated: May 2026 – confirmed working with Anycubic Chiron Trigorilla 0.0.4 and stock capacitive probe.

Firmware Overview

The Anycubic Chiron is a popular 3D printer model, and like many devices, it requires periodic firmware updates to enhance performance, fix bugs, and add new features. Firmware version 1.3.5 is one such update.

Downloading Firmware 1.3.5

To download the Anycubic Chiron firmware version 1.3.5, you can try the following sources:

• Official Anycubic Website: The first place to check is the official Anycubic website. Look for the "Support" or "Downloads" section, and search for your specific model, the Chiron. There, you should find available firmware updates, including version 1.3.5.
• Anycubic Community Forum: The Anycubic community forum or Facebook groups dedicated to Anycubic 3D printers often have threads where users share firmware updates. You can search for "Anycubic Chiron firmware 1.3.5" or similar keywords to find relevant threads.
• Repository Sites: Some users and developers share firmware on repository sites like GitHub. You can search for "Anycubic Chiron firmware" on GitHub to find repositories that might host version 1.3.5.

Repacking Firmware

Repacking firmware typically involves re-compressing or re-formatting the firmware files to ensure they can be correctly flashed to your 3D printer. Here's a basic guide:

1. Extract the Firmware: If the downloaded firmware is in a compressed format (like .zip or .rar), extract it to a folder on your computer.
2. Check for Repacking Tools: Some firmware versions come with specific tools or instructions for repacking. Check the official documentation or community forums for guidance.
3. Use a Firmware Flashing Tool: Anycubic usually provides a firmware flashing tool, often called "Anycubic Upgrade Tool" or similar. This tool can sometimes handle repacking and flashing the firmware. Download the tool from the official Anycubic website.

Upgrade Process

To upgrade your Anycubic Chiron to firmware version 1.3.5:

1. Download the firmware from a reliable source.
2. Connect your 3D printer to your computer using a USB cable.
3. Open the Anycubic Upgrade Tool.
4. Follow the tool's instructions to select and flash the new firmware.

Caution

• Always follow the official instructions or community guides for updating your firmware.
• Ensure your 3D printer is connected to a stable power source during the update process.
• Firmware updates can potentially brick your device if not done correctly, so proceed with caution.

This information should help you locate and install Anycubic Chiron firmware version 1.3.5. If you encounter issues, refer to the Anycubic community for support.

The Anycubic Chiron firmware 1.3.5 is an official update primarily released for newer Chiron models equipped with specific screen hardware. While users often seek "repacks" for extra features, version 1.3.5 is frequently used as a base for custom Marlin builds or to restore original functionality on newer machines.  Download Sources 

Finding version 1.3.5 can be difficult as it is not always listed on the main English support page. You can typically find it through the following channels: 

Official Chinese Support Portal: Anycubic often hosts newer or region-specific firmware here. You can download the Firmware 1.3.5 Zip directly, but use caution with the included screen files.

Official Global Site: Check the Anycubic Firmware & Software page for the latest updates, though version 1.3.0 is more common there.

Community Repacks: For advanced features like baby stepping or improved thermal protection, many users prefer third-party Marlin builds such as Nick Wells' Marlin 2.0.7 package.  Installation Guide 

Installing version 1.3.5 usually involves flashing a .hex file to the motherboard. 

Preparation: Connect your printer to your PC via a USB data cable. Using Cura:

Open Cura Slicer and add the Anycubic Chiron as your printer. Navigate to Settings > Printer > Manage Printers. Select your printer and click Update Firmware.

Choose Upload custom Firmware and select the .hex file from your 1.3.5 download.

Alternative (XLoader): For a lightweight option, use XLoader. Select the ATmega2560 device, the correct COM port, and set the baud rate to 115200 before clicking Upload.  ⚠️ Critical Warnings  anycubic chiron firmware 135 download repack

Latest chiron ships with 1.3.5 firmware. Please provide source

AnyCubic Chiron Firmware 1.3.5 Download and Repack: A Comprehensive Guide

The AnyCubic Chiron is a popular 3D printer known for its high-quality prints, large build volume, and affordable price. However, like any other 3D printer, it requires regular firmware updates to ensure optimal performance, fix bugs, and add new features. In this article, we will guide you through the process of downloading, repacking, and updating the AnyCubic Chiron firmware to version 1.3.5.

Why Update Your Chiron Firmware?

Updating your Chiron firmware can bring several benefits, including:

• Improved performance: Firmware updates often include optimizations and improvements that can enhance the overall performance of your 3D printer.
• Bug fixes: Updates can fix bugs and issues that may be affecting your printer's functionality.
• New features: New firmware versions can add exciting features, such as improved temperature control, enhanced print quality, or support for new filaments.
• Security patches: Firmware updates can include security patches to protect your printer from potential vulnerabilities.

Downloading the AnyCubic Chiron Firmware 1.3.5

To download the AnyCubic Chiron firmware version 1.3.5, follow these steps:

1. Visit the official AnyCubic website: Go to the official AnyCubic website (www.anycubic.com) and navigate to the "Support" or "Downloads" section.
2. Select your printer model: Choose your printer model (Chiron) and select the firmware version you want to download (1.3.5).
3. Download the firmware file: Click on the download link to get the firmware file (usually in .bin or .hex format).

Repacking the Firmware File

Repacking the firmware file is necessary to ensure that it can be correctly flashed to your printer. To repack the firmware file, you can use a tool like Hex Editor or Firmware Packager.

Method 1: Using Hex Editor

1. Download and install Hex Editor: Get a hex editor software (e.g., HxD, Hex Workshop) and install it on your computer.
2. Open the firmware file: Launch the hex editor and open the downloaded firmware file (e.g., Chiron_1.3.5.bin).
3. Save as a new file: Save the file as a new file with a different name (e.g., Chiron_1.3.5_repacked.bin).

Method 2: Using Firmware Packager

1. Download and install Firmware Packager: Get a firmware packager software (e.g., Firmware Packager, FlashPackager) and install it on your computer.
2. Select the firmware file: Launch the firmware packager and select the downloaded firmware file (e.g., Chiron_1.3.5.bin).
3. Repack the firmware: Follow the software's instructions to repack the firmware file.

Updating the AnyCubic Chiron Firmware

To update your Chiron firmware to version 1.3.5, follow these steps:

1. Connect your printer to your computer: Use a USB cable to connect your Chiron printer to your computer.
2. Enter bootloader mode: Press and hold the printer's control panel buttons (usually, the "Preheat" and "Home" buttons) while powering on the printer. Release the buttons when the bootloader screen appears.
3. Open the firmware update tool: Launch the firmware update tool provided by AnyCubic (e.g., AnyCubic Upgrade Tool) or a third-party tool (e.g., OctoPrint).
4. Select the repacked firmware file: Choose the repacked firmware file (e.g., Chiron_1.3.5_repacked.bin) and follow the update tool's instructions to complete the update process.

Conclusion

Updating your AnyCubic Chiron firmware to version 1.3.5 can bring several benefits, including improved performance, bug fixes, and new features. By following this guide, you can download, repack, and update your Chiron firmware to the latest version. Always ensure you follow proper safety precautions when working with electronics and 3D printers.

Troubleshooting Tips

• Firmware update fails: If the firmware update fails, try repacking the firmware file again or using a different update tool.
• Printer not recognized: Ensure that your printer is properly connected to your computer and that the bootloader mode is entered correctly.
• Update tool not working: Try using a different update tool or checking for software updates.

Additional Resources

• AnyCubic official website: www.anycubic.com
• AnyCubic support forum: www.anycubic.com/forum
• OctoPrint documentation: docs.octoprint.org

By providing a comprehensive guide on downloading, repacking, and updating the AnyCubic Chiron firmware to version 1.3.5, we hope to have helped you keep your 3D printer up-to-date and running smoothly. Happy printing!

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⚠️ HUGE WARNING: Downloading “Repacks” is Risky

Before you grab that random .hex or .bin file from a Dropbox link in a Reddit thread from 2021, know this:

• Brick risk: The Chiron uses two different mainboards (Trigorilla and a later revision). Flashing the wrong “repack” = dead screen + dead printer.
• Malware: Executable flashers (like Cura’s firmware flasher) can contain keyloggers.
• No support: If the repack breaks your Z-offset, you’re on your own.

Informative story: Digging into "Anycubic Chiron firmware 135 download repack"

I started with a simple search query: "Anycubic Chiron firmware 135 download repack." What I wanted was a clear, evidence-based picture of what that phrase likely refers to and what to watch for.

Background

• Anycubic Chiron is a large-format consumer 3D printer. Firmware updates for such printers often fix bugs, improve thermal safety, add features (like mesh bed leveling), or change stepper/motion tuning.
• "135" reads like a version number (v1.35 or 1.3.5). "Download repack" suggests a redistributed package—someone repackaged the firmware files (possibly combined with configuration files, bootloaders, or modified components) for easier download.

What a "repack" usually means

• Legitimate convenience pack: community members sometimes bundle the official firmware binary with a readme, flashing instructions, or preconfigured profiles for specific printers.
• Modified/third‑party firmware: repacks can include unofficial changes (custom PID tuning, faster accelerations, added features).
• Potentially risky bundles: repacks might include outdated or mismatched components, malicious scripts, or incorrect configuration causing hardware damage.

Key things to verify before using a repack Inform readers about what the “Anycubic Chiron firmware

1. Source authenticity — prefer official Anycubic site or well-known community repos (GitHub, reputable forums).
2. Checksums/signatures — official releases often include SHA256 hashes so you can verify integrity.
3. Changelog/versioning — confirm what "135" changes relative to your installed firmware.
4. Compatibility — ensure the binary matches your printer's board/revision and bootloader. Flashing the wrong target can brick the printer.
5. Community reports — search forum threads or issue trackers for others' experiences with that exact repack.
6. Backup current firmware/settings — export EEPROM or save current settings before flashing.
7. Follow safe flashing steps — stable power, correct USB/SD procedures, and a plan to recover (e.g., known-good bootloader or ISP programmer).

Common red flags in repacks

• No obvious provenance (who made it).
• No checksums or version history.
• Bundled executables or scripts without source.
• Claims of dramatic performance boosts with no technical explanation.
• Requests for elevated permissions or network access during flashing.

Safer alternatives

• Download official firmware from Anycubic's support page or the printer’s product page.
• Use builds from trusted open-source projects (e.g., Marlin forks) and compile yourself using the correct board configuration.
• Ask in active Anycubic/Chiron communities (Reddit r/3Dprinting, manufacturer forums) for verified links.

Practical checklist to follow now

• Locate the repack file and note its exact filename and where it was posted.
• Compare that against Anycubic's official firmware list (official site or support).
• Look for a SHA256 hash and verify it.
• Search forum threads for "Chiron 1.35 firmware" + "repack" or the uploader's name.
• Backup EEPROM/settings and current firmware dump (if possible).
• If unsure, don't flash—seek help from community experts.

Brief closing note "Repack" packages can be convenient but increase risk. Favor official releases or reproducible open-source builds, verify integrity, and back up before flashing.

(If you want, I can search for specific download links, checksums, or community reports about "Chiron firmware 135 repack" now.)

Anycubic Chiron firmware 1.3.5 represents a critical transition in the lifecycle of this large-format 3D printer, particularly concerning hardware compatibility and stability. While the 1.3.0 version was the longstanding standard, later models of the Chiron shipped with a different TFT screen panel that requires version 1.3.5 for full functionality. The Evolution of Chiron Firmware

The Chiron's firmware history is defined by the hardware it supports. Users with older machines often find that the 1.3.0 version available on the main Anycubic website works perfectly. However, those with newer units may encounter issues if they attempt to flash older versions, as the updated screen panels are not backward compatible with version 1.3.0. This has led many to seek "repacks" or specific downloads of 1.3.5 to restore features like auto-leveling. Key Features of Version 1.3.5 Hardware Support:

Specifically designed for newer TFT screen panels that are incompatible with older firmware versions. Functionality Restoration:

Resolves issues where auto-leveling becomes "locked out" or non-functional after flashing older or incorrect firmware. Official Origin:

Often sourced from the Anycubic Chinese portal or obtained directly from customer support, as it is not always listed on the primary international support pages. Risks and Installation Warnings

Users should exercise extreme caution when downloading and flashing these files: Screen Brick Risk:

There are reports that attempting to flash certain screen firmware included in these zip files can render the display totally unusable. Z-Axis Issues:

Improper reinstallation of 1.3.5 has been known to cause Z-homing errors where the extruder crashes into the bed. Third-Party Alternatives: Many advanced users opt for custom Marlin builds (e.g., version 2.0.7+)

which often include support for both types of TFT panels and offer more modern features like S-curve acceleration. How to Proceed

If you need this specific version, it is highly recommended to contact Anycubic Support directly to receive the correct

file for your specific hardware. For those comfortable with compiling their own, the official Anycubic GitHub

is a primary resource for troubleshooting these version discrepancies. verify your hardware before you flash a new firmware version?

Latest chiron ships with 1.3.5 firmware. Please provide source

I understand you're looking for information about the Anycubic Chiron firmware version 1.3.5 (often searched as "135") and possibly a "repack" download. However, I must first give you an important caution:

⚠️ Security & Legality Warning

"Repack" firmware is not an official release from Anycubic. Repacks are third-party modifications that may contain:

• Malware or backdoors
• Unstable printer behavior (causing fire or damage risks)
• Voided warranty
• Bricked mainboards

Always download firmware from official sources only.

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4. Improved LCD Menu

The repack unlocks hidden menus: "Babystep Z," "Change Filament," "PID Autotune," and "Mesh View."

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