LG phones released between 2007 and 2012 used this brief tone to warn users that the battery was low and the device needed charging. As those feature phones and early smartphones were replaced, recordings of their system sounds were preserved on soundboards and in video edits. The alert survived because it is instantly readable without any explanation, unlike many newer silent notifications. Creators now reuse it as a nostalgic shorthand for running out of power, energy or ideas, long after the original handsets have disappeared from daily use.