It’s not the simplest way to post something.
Will turn away lots of folks, i suppose. But it’s doable.
I’m enjoying Lemmy a lot ;)

Disable internet for that app. Problem solved.

I use Bookmark Folder. It works really great.
As default browser (in android settings and bookmark folder settings too) i use URLCheck, from Fdroid.
Bookmark Folder
URLCheck

Nice one. Did not know about it.

I also use duckdns.
But as i like doing little scripts and wanted to try this, i remembered to share here.

Lemmyverse