1. Connect the Pixhawk into a computer with Mission Planner

2. Keep unconnected

3. Setup - Install Firmware Legacy - Load custom firmware - Select firmware – Open

Do not upload a firmware version that is the same as the existing, or it will report an error.

You can download our recommended firmware version.

Arducopter3.6.12-v2.apj

Arducopter3.6.12-v3.apj

ArduCopter4.0.3-v3.hex

Arducopter4.1.5.apj

Arducopter4.5.6-v3.apj

You can also download the firmware you need directly through the Ardupilot website.

https://firmware.ardupilot.org

4. Wait for the progress to complete

5. Unplug & reboot the Pixhawk

6. Select auto & click connect

7. Pixhawk now connected to the Misson Planner