First check their are no updates waiting to be actioned for your phone.
Looking at a Google Search there are quite a few hits in regards to the situation your now facing and many hold troubleshooting tips.
I wish you all the best. Take care. 😎
Daily Driver > Samsung Galaxy s²² Ultra 256Gb in Phantom Black.
The advice I offer is my own and does not represent Samsung’s position.
I'm here to help.