Purism’s Librem 5 phone starts shipping—a fully open GNU/Linux phone (Ars Technica)

That modem is removable (so it could be replaced in the future if there were a free option), it can run with entirely free software on the main processor, and the goal is for all of the necessary kernel changes to be mainlined. None of those are true for your average mass-market smartphone, and they're all huge improvements over the status quo as far as software freedom is concerned.