Solution found!! On S10e after Android 11 and Samsung UI 3.0 updates ringtone would not work. I use custom ringtones, such as songs or song clips. But after updates I would not get and auditable sound when I received a call. After many attempts I figured it out. If you use custom ringtones like myself, delete all such files from device itself, I have a memory card so had all files on that as well. Restart phone, and reload files to internal storage "Ringtones" and setup new ringtone. This should work as it did for me.
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