> For the complete documentation index, see [llms.txt](https://docs.holybro.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.holybro.com/autopilot/pixhawk-6x/supported-firmware.md).

# Supported Firmware

{% hint style="warning" %}

#### Pixhawk 6X is shipped with PX4 FMUv6X Firmware

#### Ardupilot Firmware can be flash via Mission Planner or QGroundControl. It can also be downloaded here: [**https://firmware.ardupilot.org/**](https://firmware.ardupilot.org/)

* PX4 Firmware Target: FMUv6x
* Ardupilot Firmware Target: Pixhawk 6X
  {% endhint %}

### Rev 8 (ICM-45686) Version&#x20;

#### [*PX4* ](https://github.com/PX4/PX4-Autopilot/releases)

Support in PX4 1.14.3 release and later.&#x20;

#### [*Ardupilot* ](https://firmware.ardupilot.org/Copter/)

Supported in 4.5.0 stable release and later.&#x20;

### Rev 3/4 Version

#### [*PX4* ](https://github.com/PX4/PX4-Autopilot/releases)

Pixhawk 6X is supported on PX4 [**1.13.1 release**](https://github.com/PX4/PX4-Autopilot/releases/tag/v1.13.1) and later.

#### [*Ardupilot* ](https://firmware.ardupilot.org/Copter/)

Supported in Ardupilot **4.2.3** stable release and later.

{% hint style="warning" %}
REV3 & 4 not supported in **Ardupilot 4.5.3**, please use 4.5.2 or 4.5.4.
{% endhint %}


---

# Agent Instructions
This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com.

## Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.holybro.com/autopilot/pixhawk-6x/supported-firmware.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
