This should work for the Alexa Voice Remote Pro ... If your trouble comes from an Amazon Fire Stick and not the remote, that's easy to fix as well. According to our Fire TV Stick resetting ...

the Amazon Fire TV Stick can run into a variety of issues. These include problems connecting to the internet, audio not coming through properly, or your remote not working. While these issues are ...

If your Amazon Fire TV Stick (better known as the Firestick) remote stops working ... Quick tip: Not all of these remotes work with the Firestick, but the steps are the same on any Fire TV ...