Lag on a Roku TV rarely arrives out of nowhere. It usually builds up as temporary files pile on, apps misbehave, and the system’s limited memory gets squeezed until every menu tap feels sticky.

I've been using Roku devices for years. They're simple, reliable and great for streaming all my favorite shows. But lately, my older Roku had started acting up. It was freezing, buffering and just ...

Irene Okpanachi is a Features writer, covering mobile and PC guides that help you understand your devices. She has five years' experience in the Tech, E-commerce, and Food niches. Particularly, the ...