https://source.puri.sm/Librem5/hw/l5-schematic
The repo name is "schematic", but it also contains ECAD (and a link to MCAD) designs and BOM published on a free license.
I've been daily driving GNU/Linux phones for 18 years now and I keep seeing people dreaming about things we already have!
Librem 5 runs an FSF-endorsed operating system, i.e., it's 100% free software in the OS.