If you disable the lock screen of the Samsung Galaxy S8, a short sound will ring depending on the setting. This sound when unlocking may bother you, so we'll explain how to disable it in the Android settings and mute it.
Proceed as follows:
1. On the Samsung Galaxy S8, open the App menu and then the settings.
2. Now tap on the menu item "Sounds and vibration" to go to the next submenu.
3. Scroll Now down here until you see "screen lock sounds".
Disable the option by moving the slider - Done!
After that, sound stops playing when you lock or unlock the screen. You have successfully disabled this setting within the Android system on the Samsung Galaxy S8.