Xenon was one of the default notification tones shipped with Android 4.4 KitKat, the version of the mobile operating system released in 2013. Like other system sounds of that era, it was designed to be short, clear and easy to notice without being intrusive. As KitKat phones spread, the tone became familiar to millions of users, and it later circulated on soundboards and in editing libraries. Creators still reach for it today when they want an authentic mid-2010s Android alert rather than a modern default sound.
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The Xenon notification tone from Android 4.4 KitKat, a short bright chime used for messages and alerts. Creators use it for retro phone sounds and tech edits.
The Xenon notification is a brief, clean chime from Android 4.4 KitKat, lasting just over a second and a half. It opens with a soft, glassy tone that rises slightly before resolving into a smooth, pleasant ping, without any harsh buzz or vibration. The sound feels light, modern for its era, and instantly familiar to anyone who used an Android phone in the mid-2010s. In a video it reads as a simple message alert, creating a quick sense of attention or interruption without distracting from the dialogue or action on screen.