You can download an application created to specifically assist with most common C3 Micro-Cloud operations.
It can be downloaded from here: C3 Support App
When you install and open the app, you should see a screen like this:
Once you press connect and establish a connection to your C3 Micro-Cloud device you will see a screen like this:
From this screen, you will be able to perform certain operations. Usually, Critical Links support will guide you on what to do.