https://en.wikipedia.org/wiki/6G

Commercial deployment of 6G is anticipated in the early 2030s

No. And i’m on 4g and i don’t need 5g, 5g is very expensive. :)

As for this question, i think it fit better technology community :)

Should i post there ? How i know ? Browse and read the title, the topic, the sidebar.

Also check https://piefed.social/communities to see the existing communities and find the one that match your topic.

It will give you a general idea on what kind of content the community expect there. :)