FF mobile do not allow you to access its about:config. So, how do you block FF telemetry?
Some says NextDNS, by default, blocks FF telemetry but NextDNS now is a partner of FF's DoH. I'm not so sure whether NextDNS is blocking FF telemetry unless you add blocking FF telemetry in NextDNS's DenyList
[URL unfurl="true"]https://blog.mozilla.org/en/mozilla/firefox-announces-new-partner-in-delivering-private-and-secure-dns-services-to-users/[/URL]
