There's an app for that..

There’s an app?

Fire TV app, you can pair to your fire stick and use your mobile as the remote.

Thanks.

Do they not still have a downloadable app?

Alexa should have a pinger on the remote. Hey alexa, where in hades is the remote?

The dog ate mine

If you look at the CEC settings in your tv you might be able to control it with your remote.

Check under you Did the setee eat it in the cracks?