While that answer does seem to sound the smartest, it is still wrong. Apparently no one in this chat has the real answer. My mom has the exact same phone, carrier & plan I do. Yet does not have a blue dot. Where my brother has an 8 year old phone that barely does anything at all. He's with carrier link & I have a blue dot by his contact pic.
I processed the update this morning and now the blue dot aligned to other Samsung contacts and in the messaging app is gone. Any idea why? Is there a fix?