It also happens with mine.After some time, my s7 edge also started to loose wifi internet connectivity and a message "Refreshing SIM Data" is shown all the time

I have the same issue.Actually I have a s7 edge dual SIM and the data connection was messed up. Now even the wifi is messed up (always shows no internet availability) and after "refreshing SIM Data" the wifi and data connection works again for some m...

I would also like to know. Bought the phone in UAE and live in Germany. I want to change the country.