You can reset Amazon Fire Stick remote in two ways. You can use your TV or your remote for this job.
To reset by a TV, all you have to do is switch on your Fire TV stick connected to your TV and go to my Fire TV there, you will find an option called “'''Reset to Factory Defaults'''“. Click on it.
To reset your fire the more you have to long-press the right and back button keys off your remote at the same time for '''10 seconds'''. This will start the initiation process. Follow the instructions on the screen.