What phone? Never had an issue with private DNS on Android. Unfortunately IOS requires it setup on every connection, but works.

https://adguard-dns.io/en/public-dns.html

https://youtu.be/ovqRt_qGV7c?si=iMxKS_tMMyKJV6ie

Make sure you restart the app after applying settings, should pickup new DNS and poof, 95% of ads are gone instantly.

https://d3ward.github.io/toolz/adblock.html

Dns adblocking blocks these 100%

DNS adblocking. I don’t see those ads.

Not always. If someone really wanted to, it’s easy to create aan in the middle attack with something like a VPN. Shouldnt really ever trust public wifi with sensitive info. Can easily be sniffed with a little effort