I used it once but it's not perfectly as compared to those of iPhone devices... On portrait mode it may be on but still the image comes the same as habitual.
Go to accessibility in your settings and turn off your talkback.Thus if is not Bixby or talkback, then you're using different S21... A Chinese copyright of Samsung
Go to your settings, click sound& vibration option and scroll down until you see system sound/vibration control. In that option, turn off your Samsung keyboard both in sound and vibration...
