@Tony Creating a guest network didn't solve the problem. Any other ideas?

@RG1055 Neither turniging off fast roaming, nor creating a guest network worked for me. Any other ideas?

@wvmountaineer Do you mean Amazon devices or amazon.com? None of my Fire TVs work with the TP LInk router, only if I do a direct connection. Haven't found a solution.

@rickindc Yes, I'm having the identical problem with the Deco M5. None of my fire tvs can connect to the internet. No other device has an issue.

I'm having the identical problem. After a couple of weeks of having the Deco M5 set up, none of my Fire TVs work. They can't connect to the internet. I have two Fire TV Sticks A Fire TV And a Fire TV...