Ardupilot upgrade
Overview
We use a conventional Debian scheme to upgrade software, i.e. using APT.
Attention
Please, backup your parameters before proceeding!
Upgrade
pi@navio: ~ $ sudo apt-get update && sudo apt-get dist-upgrade
Read the warning once more and please obey the instructions!
Final thoughts
If this tutorial is confusing in any way, please let us now! We'd be glad to help you out and fix the instructions accordingly.