Default videocalling changed to google meet post december update and most shockingly the option to change default videocalling method disappeared. It has really become apathetic experience to update samsung devices these days. That too on stable one...
You can try for a factory reset . But make sure to take a fresh device backup in samsung cloud and restore from that backup post resetting watch. If still the issue persist, then try to visit service center or try for a new watch depending on ur urge...
Try torras magnetic ring cases. They are translucent cases with a foldable 360 degree magnetic rings.and for camera lenses use spigen lenseguards, usually comes with pack of 2. Extreamly easy to install and these 2 things will give you allround prote...