Samsung
Turn Off the Screenshot Sound auf Samsung
Samsung phones running One UI do not offer a dedicated toggle for the screenshot sound. The sound is tied to the general system sound channel, the same one used for keyboard clicks, camera shutter sounds and some notification tones.
Because there is no isolated control, the only way to stop the screenshot sound is to lower the overall system volume to zero. This effectively puts your device into a silent state for system sounds, without touching ringtone or media volume separately.
To do this, open Open the Settings ➔ Tap on Sounds and vibration ➔ Tap on Volume ➔ Move the slider to the far left. Moving the system sound slider all the way left mutes the screenshot sound along with other system sounds sharing that channel.
Keep in mind this is a channel-wide mute, not a screenshot-specific setting. If you only want to silence screenshots while keeping keyboard sounds or other system tones active, this workaround will not separate them. In that case, using a physical mute switch or Do Not Disturb for short periods might fit better, depending on what other sounds you are trying to preserve.
Side effect: once the system sound slider is at zero, every sound tied to that channel stays silent until you raise the slider again, not just the screenshot sound.