If you were asked you to send a Diagnostic to Developers, in order to help address an issue, follow these steps:

Open Monimoto app and connect to Monimoto device via Bluetooth. To connect, you have to be close to the device (max 5 meters).

You will see expanded Settings Menu:

Tap on Send Diagnostic to Developers. You will see a running pop-up - it will take up to 4 minutes.

After files are ready tap email to share 

Send an email as any other usual email. It should have 3 files attached.