Samsung Blocked Call Instant
Samsung partners with Hiya to provide built-in spam protection. It's great at blocking robocalls, but sometimes it misidentifies legitimate numbers (delivery drivers, clinics, school offices).
When a blocked contact attempts to reach you, your phone automatically rejects the call before it rings. samsung blocked call
Bug Report: Samsung "Smart Call" Feature Blocking Safe Contacts Samsung partners with Hiya to provide built-in spam
The lack of transparency and control over blocked calls is frustrating. I expect more from a brand like Samsung. Until they improve this feature and provide better user control, I would caution others to be aware of this potentially problematic feature. samsung blocked call
This is the most obvious cause. You might have blocked an ex, a spammer, or a wrong number in the past and forgotten about it.