HTC Android phones were known for their distinctive built-in system sounds, and this deep foghorn tone was one of the most recognisable notification and ringtone options on older models. As users moved on from those handsets, the sound lived on through ringtones, soundboard uploads and video edits, where its nautical, warning-like character made it easy to reuse. It is still popular today because it is instantly loud, clear and slightly nostalgic, giving creators a quick way to signal something big, unexpected or comically serious without needing any dialogue.