The exact original video behind this Portuguese phrase is not documented in the available details, so it is best understood as a short online reaction clip rather than a line from a known show, film or song. Its humour comes from everyday Portuguese-language internet culture, where turning on 4G signals that something is worth the data cost. Shared in that spirit, it works as a quick, relatable shorthand for curiosity and approval, which is why it keeps appearing in edits, memes and chat reactions.