getting mobi file onto kindle

I’m using Kindle Fire. I’ve generated a mobi file of my novel. I’ve tried to put it on my Kindle via USB but it doesn’t show up. Is there a place it’s “going” that I’m not seeing?
Is there a way to load it to an amazon cloud so I can download the mobi file to various kindle devices?

A quick Google search on “mobi to kindle” turns up several articles, etc. discussing this.

One such… … e-account/

Sounds like options including Amazon’s downloadable Send2Kindle app, emailing to the Kindle device’s email address, sending over a USB cable, …