If you use apps like Truecaller or Hiya, they may have their own separate block lists that conflict with Samsung’s native settings.

Here, you will see a list of every number you have manually blocked. 4. How to Unblock a Number on Samsung

: At the top of the "Block numbers" menu, you can toggle a switch to automatically reject all callers who hide their Caller ID.

Blocked texts are not deleted. To see them: