Xiaomi is a Chinese electronics company best known for its smartphones, and Redmi is its popular budget-focused phone line, so the tune became familiar through millions of handsets rather than through a film, song or television show. Online, listeners search for the original version to restore a default ringtone, recreate a phone moment in a video, or joke about a Xiaomi phone ringing at the wrong time. Its staying power comes from that everyday recognition: it sounds like a real phone, not a cartoon effect, which makes the joke or scene land immediately.