Applies to: UltraNova, MiniNova
Yes, MiniNova and UltraNova patches can be installed on either a MiniNova or an UltraNova. They're compatible with one another.
This means if you have an UltraNova you can install MiniNova patches to it and if you have a MiniNova you can install UltraNova patches to it.
Note, you will need to have the latest version of each unit's firmware installed. This can be applied by running the relevant product's installer: