Chosen Solution

I have 3 TVs in my man cave, all of which are running a firestick for streaming. When I go to change one channel, all 3 change. Is there a way to setup to where the individual remotes are tied to just one firestick?

Are the 3 tvs same make and model? if so, try disabling HMDI CEC or connect the firesticks to a non HDMI CEC port. I had two TCL tvs that were doing the same thing.