Can you please run the diagnostic tool in your Samsung Members app @Rosiie and see what that returns.
Samsung > What-to-do-if-the-sound-on-your-galaxy-smartphone-is-not-working-properly.
Samsung > What-to-do-if-your-microphone-or-speaker-is-not-working-properly.
If I can be of any further help then please don't hesitate. Take care. 😎
Daily Driver > Samsung Galaxy s²³ Ultra 512Gb in Phantom Black.The advice I offer is my own and does not represent Samsung’s position. I'm here to help. " This is the way. "