Is this affecting connection to all Bluetooth devices if you use multiple.
There is a diagnostic tool in your Samsung Members app.
You could also clear the cache of your Bluetooth via settings, apps, bluetooth, storage and then clear cache @zimma71
If you don't see the Bluetooth option in your apps then at the top where it says Your Apps tap on the icon next to it and toggle on Show System apps.
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. "