I have an unlocked Note 8 that I'm using with Verizon. I found the wifi calling Under system apps. Still does not work. It looks like it is already enabled but it doesn't work at all. I live in an area where I absolutely need WiFi calling and cannot get it with this phone. Waiting for Samsung to send me a Verizon model. Their customer service is horrible. They told me last week they would get back to me in within 3 business days and it has been over a week with still no answer from them. Maybe I should try a different manufacturer. They are not on my list of best buddies.