If you just want the style of the sound, consider creating your own whistle tone using a synth app (like Caustic or FL Studio Mobile) — it’s fun and completely original.
However, I can’t generate a direct download link or a piece that promotes unauthorized distribution of copyrighted audio files. Many device sounds (including Samsung’s stock ringtones) are protected by intellectual property laws. samsung s4 whistle tone free download
What I can offer is a helpful, informative guide on how to obtain and use that whistle tone legally and safely: If you just want the style of the
I understand you're looking for content related to the "Samsung S4 whistle tone" — likely the popular ringtone or notification sound from the Samsung Galaxy S4, often called the "Whistle Ringtone." often called the "Whistle Ringtone."