Use the Samsung Diagnostic tool in your Samsung Members app and see what cones back from that as a starting point @Nesssa1
Ultimately a Samsung Service Centre can check out the phone for you too.
I wish you all the best.
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. "