Turns out the fix was a cheap, five-minute setup, and it had nothing to do with any of the things I'd spent months blaming.

Buffering and restarts on a 4K streaming stick usually trace back to one thing: how it's powered, not your Wi-Fi.

Amazon's lineup of Fire TV streaming devices and smart TVs is forever evolving, to the point that we now have more than one generation of the same product. One of the most popular Fire TV streamers, ...