I, switched from Google FI because of lack of customer support and services that were getting less and less. I went to T-Mobile. Good service, much the same as Google fi is a first party mvno. Anyway I use a private dns. NextDns. T-Mobile had no clue what a dns was and the super had to Google it. They SEVERELY THROTTLE if you use next dns.

I HATE THAT. What do you use as privacy conscious individuals?

edit: not that! What