I have wifi calling option in my S8 but it's not working, every time whenever i enable the icon after 10 to 20 second it gets off automatically.  Why wifi calling is toggling?Anyone can help? How to resolve it.?

I bought Samsung galaxy watch 46mm everything is good but bluetooth range. It hardly stay connected for 3 meters while its claiming 10 meters.I'm using Samsung galaxy s8. Anyone?

Today I don't how but a curvy shortcut of apps appeared on s8 ,I want to know how it works.if someone one knows about please let me know.