Supported Firmware

Pixhawk 6X Pro is shipped with PX4 FMUv6X Firmware, but it is also supported in Ardupilot. It shares the same firmware as Pixhawk 6X.

PX4

Pixhawk 6X Pro is supported on Master/Main or PX4 1.14.3 release and later. PX4 Firmware Target: FMUv6x

Ardupilot

Pixhawk 6X Pro is supported in Ardupilot 4.5.0 stable release and later. Ardupilot Firmware Target: Pixhawk 6X. Ardupilot firmware can be flash via Mission Planner or QGroundControl. It can also be downloaded here: https://firmware.ardupilot.org/