Samsung
System Sound Theme Setup auf Samsung
Samsung groups several small system sounds under one setting called the system sound theme. This single option controls the sound you hear for touch interactions, charging start, switching sound modes, and typing on the Samsung keyboard.
Because these sounds are bundled, you cannot swap just the keyboard click without also changing the charging tone. If your phone suddenly sounds different after a system update, a reset, or setup on a new device, the active theme has likely changed on its own, or it reverted to the default.
To pick a different set, go to Tap on Settings ➔ Tap on Sounds and vibration ➔ Tap on System sound ➔ Choose an option. Samsung offers four themes: Galaxy, Calm, Fun, and Retro. Each one changes the same group of sounds, just with a different tone set.
This setting only affects those bundled system sounds. It does not touch your ringtone or individual notification sounds for messaging apps, which live in separate menus.
If you want full silence for touch sounds specifically, muting is faster than switching themes. Use theme switching only when you want a consistent style across all the bundled sounds at once.